Updated to version 11.0.3

Fixed test concurrency issue
Updated Enum converter to only warn once per type for null/empty value for non-nullable enum property
2026-08-12 00:43:03 +00:00 · 2026-03-30 11:46:03 +02:00 · 2026-03-30 11:42:26 +02:00 · 2026-03-30 11:34:02 +02:00 · 2026-03-26 13:01:38 +01:00 · 2026-03-25 21:40:40 +01:00
167 changed files with 9291 additions and 2865 deletions
@@ -4,6 +4,7 @@ using NUnit.Framework.Legacy;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;

 namespace CryptoExchange.Net.UnitTests
@@ -139,5 +140,17 @@ namespace CryptoExchange.Net.UnitTests

            ClassicAssert.False(result1);
        }
+
+        [Test]
+        public async Task CancellingWait_Should_ReturnFalse()
+        {
+            var evnt = new AsyncResetEvent(false, true);
+
+            var waiter1 = evnt.WaitAsync(ct: new CancellationTokenSource(50).Token);
+
+            var result1 = await waiter1;
+
+            ClassicAssert.False(result1);
+        }
    }
 }
@@ -19,20 +19,6 @@ namespace CryptoExchange.Net.UnitTests
            Assert.That(result.Success);
        }

-        [TestCase]
-        public void DeserializingInvalidJson_Should_GiveErrorResult()
-        {
-            // arrange
-            var client = new TestBaseClient();
-
-            // act
-            var result = client.SubClient.Deserialize<object>("{\"testProperty\": 123");
-
-            // assert
-            ClassicAssert.IsFalse(result.Success);
-            Assert.That(result.Error != null);
-        }
-
        [TestCase("https://api.test.com/api", new[] { "path1", "path2" }, "https://api.test.com/api/path1/path2")]
        [TestCase("https://api.test.com/api", new[] { "path1", "/path2" }, "https://api.test.com/api/path1/path2")]
        [TestCase("https://api.test.com/api", new[] { "path1/", "path2" }, "https://api.test.com/api/path1/path2")]
@@ -0,0 +1,465 @@
+using CryptoExchange.Net.SharedApis;
+using NUnit.Framework;
+using System;
+using System.Linq;
+
+namespace CryptoExchange.Net.UnitTests
+{
+    [TestFixture()]
+    public class ExchangeSymbolCacheTests
+    {
+        private SharedSpotSymbol[] CreateTestSymbols()
+        {
+            return new[]
+            {
+                new SharedSpotSymbol("BTC", "USDT", "BTCUSDT", true, TradingMode.Spot),
+                new SharedSpotSymbol("ETH", "USDT", "ETHUSDT", true, TradingMode.Spot),
+                new SharedSpotSymbol("BTC", "EUR", "BTCEUR", true, TradingMode.Spot),
+                new SharedSpotSymbol("ETH", "BTC", "ETHBTC", true, TradingMode.Spot),
+                new SharedSpotSymbol("XRP", "USDT", "XRPUSDT", false, TradingMode.Spot)
+            };
+        }
+
+        private SharedSpotSymbol[] CreateFuturesSymbols()
+        {
+            return new[]
+            {
+                new SharedSpotSymbol("BTC", "USDT", "BTCUSDT-PERP", true, TradingMode.PerpetualLinear),
+                new SharedSpotSymbol("ETH", "USDT", "ETHUSDT-PERP", true, TradingMode.PerpetualLinear)
+            };
+        }
+
+        [Test]
+        public void UpdateSymbolInfo_NewTopic_Should_AddToCache()
+        {
+            // arrange
+            var topicId = "NewExchange";
+            var symbols = CreateTestSymbols();
+
+            // act
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+            var hasCached = ExchangeSymbolCache.HasCached(topicId);
+
+            // assert
+            Assert.That(hasCached, Is.True);
+        }
+
+        [Test]
+        public void UpdateSymbolInfo_Should_StoreAllSymbols()
+        {
+            // arrange
+            var topicId = "ExchangeWithSymbols";
+            var symbols = CreateTestSymbols();
+
+            // act
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // assert
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, "BTCUSDT"), Is.True);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, "ETHUSDT"), Is.True);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, "BTCEUR"), Is.True);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, "ETHBTC"), Is.True);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, "XRPUSDT"), Is.True);
+        }
+
+        [Test]
+        public void UpdateSymbolInfo_CalledTwiceWithinAnHour_Should_NotUpdate()
+        {
+            // arrange
+            var topicId = "ExchangeNoUpdate";
+            var initialSymbols = new[]
+            {
+                new SharedSpotSymbol("BTC", "USDT", "BTCUSDT", true, TradingMode.Spot)
+            };
+            var updatedSymbols = new[]
+            {
+                new SharedSpotSymbol("BTC", "USDT", "BTCUSDT", true, TradingMode.Spot),
+                new SharedSpotSymbol("ETH", "USDT", "ETHUSDT", true, TradingMode.Spot)
+            };
+
+            // act
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, initialSymbols);
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, updatedSymbols);
+
+            // assert - should still have only the initial symbol since less than 60 minutes passed
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, "BTCUSDT"), Is.True);
+            // The second update should not have been applied
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, "ETHUSDT"), Is.False);
+        }
+
+        [Test]
+        public void UpdateSymbolInfo_WithEmptyArray_Should_CreateEmptyCache()
+        {
+            // arrange
+            var topicId = "EmptyExchange";
+            var symbols = Array.Empty<SharedSpotSymbol>();
+
+            // act
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+            var hasCached = ExchangeSymbolCache.HasCached(topicId);
+
+            // assert
+            Assert.That(hasCached, Is.False);
+        }
+
+        [Test]
+        public void HasCached_NonExistentTopic_Should_ReturnFalse()
+        {
+            // arrange
+            var nonExistentTopic = "NonExistent_" + Guid.NewGuid();
+
+            // act
+            var result = ExchangeSymbolCache.HasCached(nonExistentTopic);
+
+            // assert
+            Assert.That(result, Is.False);
+        }
+
+        [Test]
+        public void HasCached_ExistingTopicWithSymbols_Should_ReturnTrue()
+        {
+            // arrange
+            var topicId = "ExchangeWithData";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.HasCached(topicId);
+
+            // assert
+            Assert.That(result, Is.True);
+        }
+
+        [Test]
+        public void HasCached_ExistingTopicWithNoSymbols_Should_ReturnFalse()
+        {
+            // arrange
+            var topicId = "ExchangeNoData";
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, Array.Empty<SharedSpotSymbol>());
+
+            // act
+            var result = ExchangeSymbolCache.HasCached(topicId);
+
+            // assert
+            Assert.That(result, Is.False);
+        }
+
+        [Test]
+        public void SupportsSymbol_ByName_ExistingSymbol_Should_ReturnTrue()
+        {
+            // arrange
+            var topicId = "ExchangeSupports";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.SupportsSymbol(topicId, "BTCUSDT");
+
+            // assert
+            Assert.That(result, Is.True);
+        }
+
+        [Test]
+        public void SupportsSymbol_ByName_NonExistingSymbol_Should_ReturnFalse()
+        {
+            // arrange
+            var topicId = "ExchangeNoSupport";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.SupportsSymbol(topicId, "LINKUSDT");
+
+            // assert
+            Assert.That(result, Is.False);
+        }
+
+        [Test]
+        public void SupportsSymbol_ByName_NonExistentTopic_Should_ReturnFalse()
+        {
+            // arrange
+            var nonExistentTopic = "NonExistent_" + Guid.NewGuid();
+
+            // act
+            var result = ExchangeSymbolCache.SupportsSymbol(nonExistentTopic, "BTCUSDT");
+
+            // assert
+            Assert.That(result, Is.False);
+        }
+
+        [Test]
+        public void SupportsSymbol_BySharedSymbol_ExistingSymbol_Should_ReturnTrue()
+        {
+            // arrange
+            var topicId = "ExchangeSharedSymbol";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+            var sharedSymbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+
+            // act
+            var result = ExchangeSymbolCache.SupportsSymbol(topicId, sharedSymbol);
+
+            // assert
+            Assert.That(result, Is.True);
+        }
+
+        [Test]
+        public void SupportsSymbol_BySharedSymbol_NonExistingSymbol_Should_ReturnFalse()
+        {
+            // arrange
+            var topicId = "ExchangeNoSharedSymbol";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+            var sharedSymbol = new SharedSymbol(TradingMode.Spot, "LINK", "USDT");
+
+            // act
+            var result = ExchangeSymbolCache.SupportsSymbol(topicId, sharedSymbol);
+
+            // assert
+            Assert.That(result, Is.False);
+        }
+
+        [Test]
+        public void SupportsSymbol_BySharedSymbol_DifferentTradingMode_Should_ReturnFalse()
+        {
+            // arrange
+            var topicId = "ExchangeDifferentMode";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+            var sharedSymbol = new SharedSymbol(TradingMode.PerpetualLinear, "BTC", "USDT");
+
+            // act
+            var result = ExchangeSymbolCache.SupportsSymbol(topicId, sharedSymbol);
+
+            // assert
+            Assert.That(result, Is.False);
+        }
+
+        [Test]
+        public void SupportsSymbol_BySharedSymbol_NonExistentTopic_Should_ReturnFalse()
+        {
+            // arrange
+            var nonExistentTopic = "NonExistent_" + Guid.NewGuid();
+            var sharedSymbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+
+            // act
+            var result = ExchangeSymbolCache.SupportsSymbol(nonExistentTopic, sharedSymbol);
+
+            // assert
+            Assert.That(result, Is.False);
+        }
+
+        [Test]
+        public void GetSymbolsForBaseAsset_ExistingBaseAsset_Should_ReturnMatchingSymbols()
+        {
+            // arrange
+            var topicId = "ExchangeBaseAsset";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.GetSymbolsForBaseAsset(topicId, "BTC");
+
+            // assert
+            Assert.That(result, Is.Not.Null);
+            Assert.That(result.Length, Is.EqualTo(2));
+            Assert.That(result.Any(x => x.QuoteAsset == "USDT"), Is.True);
+            Assert.That(result.Any(x => x.QuoteAsset == "EUR"), Is.True);
+        }
+
+        [Test]
+        public void GetSymbolsForBaseAsset_CaseInsensitive_Should_ReturnMatchingSymbols()
+        {
+            // arrange
+            var topicId = "ExchangeCaseInsensitive";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.GetSymbolsForBaseAsset(topicId, "btc");
+
+            // assert
+            Assert.That(result, Is.Not.Null);
+            Assert.That(result.Length, Is.EqualTo(2));
+        }
+
+        [Test]
+        public void GetSymbolsForBaseAsset_NonExistingBaseAsset_Should_ReturnEmptyArray()
+        {
+            // arrange
+            var topicId = "ExchangeNoBaseAsset";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.GetSymbolsForBaseAsset(topicId, "LINK");
+
+            // assert
+            Assert.That(result, Is.Not.Null);
+            Assert.That(result.Length, Is.EqualTo(0));
+        }
+
+        [Test]
+        public void GetSymbolsForBaseAsset_NonExistentTopic_Should_ReturnEmptyArray()
+        {
+            // arrange
+            var nonExistentTopic = "NonExistent_" + Guid.NewGuid();
+
+            // act
+            var result = ExchangeSymbolCache.GetSymbolsForBaseAsset(nonExistentTopic, "BTC");
+
+            // assert
+            Assert.That(result, Is.Not.Null);
+            Assert.That(result.Length, Is.EqualTo(0));
+        }
+
+        [Test]
+        public void ParseSymbol_ExistingSymbol_Should_ReturnSharedSymbol()
+        {
+            // arrange
+            var topicId = "ExchangeParse";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.ParseSymbol(topicId, "BTCUSDT");
+
+            // assert
+            Assert.That(result, Is.Not.Null);
+            Assert.That(result.BaseAsset, Is.EqualTo("BTC"));
+            Assert.That(result.QuoteAsset, Is.EqualTo("USDT"));
+            Assert.That(result.TradingMode, Is.EqualTo(TradingMode.Spot));
+            Assert.That(result.SymbolName, Is.EqualTo("BTCUSDT"));
+        }
+
+        [Test]
+        public void ParseSymbol_NonExistingSymbol_Should_ReturnNull()
+        {
+            // arrange
+            var topicId = "ExchangeNoParse";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.ParseSymbol(topicId, "LINKUSDT");
+
+            // assert
+            Assert.That(result, Is.Null);
+        }
+
+        [Test]
+        public void ParseSymbol_NullSymbolName_Should_ReturnNull()
+        {
+            // arrange
+            var topicId = "ExchangeNullSymbol";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.ParseSymbol(topicId, null);
+
+            // assert
+            Assert.That(result, Is.Null);
+        }
+
+        [Test]
+        public void ParseSymbol_NonExistentTopic_Should_ReturnNull()
+        {
+            // arrange
+            var nonExistentTopic = "NonExistent_" + Guid.NewGuid();
+
+            // act
+            var result = ExchangeSymbolCache.ParseSymbol(nonExistentTopic, "BTCUSDT");
+
+            // assert
+            Assert.That(result, Is.Null);
+        }
+
+        [Test]
+        public void MultipleTopics_Should_MaintainSeparateData()
+        {
+            // arrange
+            var topic1 = "Exchange1";
+            var topic2 = "Exchange2";
+            var symbols1 = new[]
+            {
+                new SharedSpotSymbol("BTC", "USDT", "BTCUSDT", true, TradingMode.Spot)
+            };
+            var symbols2 = new[]
+            {
+                new SharedSpotSymbol("ETH", "USDT", "ETHUSDT", true, TradingMode.Spot)
+            };
+
+            // act
+            ExchangeSymbolCache.UpdateSymbolInfo(topic1, symbols1);
+            ExchangeSymbolCache.UpdateSymbolInfo(topic2, symbols2);
+
+            // assert
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topic1, "BTCUSDT"), Is.True);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topic1, "ETHUSDT"), Is.False);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topic2, "ETHUSDT"), Is.True);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topic2, "BTCUSDT"), Is.False);
+        }
+
+        [Test]
+        public void UpdateSymbolInfo_WithDifferentTradingModes_Should_StoreCorrectly()
+        {
+            // arrange
+            var topicId = "ExchangeMixedModes";
+            var spotSymbols = CreateTestSymbols();
+            var futuresSymbols = CreateFuturesSymbols();
+            var allSymbols = spotSymbols.Concat(futuresSymbols).ToArray();
+
+            // act
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, allSymbols);
+
+            // assert
+            var spotSymbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+            var futuresSymbol = new SharedSymbol(TradingMode.PerpetualLinear, "BTC", "USDT");
+
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, spotSymbol), Is.True);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, futuresSymbol), Is.True);
+        }
+
+        [Test]
+        public void GetSymbolsForBaseAsset_Should_ReturnAllTradingModes()
+        {
+            // arrange
+            var topicId = "ExchangeAllModes";
+            var spotSymbols = CreateTestSymbols();
+            var futuresSymbols = CreateFuturesSymbols();
+            var allSymbols = spotSymbols.Concat(futuresSymbols).ToArray();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, allSymbols);
+
+            // act
+            var result = ExchangeSymbolCache.GetSymbolsForBaseAsset(topicId, "BTC");
+
+            // assert
+            Assert.That(result.Length, Is.GreaterThanOrEqualTo(2));
+            Assert.That(result.Any(x => x.TradingMode == TradingMode.Spot), Is.True);
+            Assert.That(result.Any(x => x.TradingMode == TradingMode.PerpetualLinear), Is.True);
+        }
+
+        [Test]
+        public void GetSymbolsForBaseAsset_WithMultipleMatchingSymbols_Should_ReturnAll()
+        {
+            // arrange
+            var topicId = "ExchangeMultiple";
+            var symbols = new[]
+            {
+                new SharedSpotSymbol("ETH", "USDT", "ETHUSDT", true, TradingMode.Spot),
+                new SharedSpotSymbol("ETH", "BTC", "ETHBTC", true, TradingMode.Spot),
+                new SharedSpotSymbol("ETH", "EUR", "ETHEUR", true, TradingMode.Spot)
+            };
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.GetSymbolsForBaseAsset(topicId, "ETH");
+
+            // assert
+            Assert.That(result.Length, Is.EqualTo(3));
+            Assert.That(result.All(x => x.BaseAsset == "ETH"), Is.True);
+        }
+
+    }
+}
@@ -1,4 +1,5 @@
 using CryptoExchange.Net.Authentication;
+using CryptoExchange.Net.Objects;
 using CryptoExchange.Net.Objects.Options;
 using CryptoExchange.Net.UnitTests.TestImplementations;
 using NUnit.Framework;
@@ -29,7 +30,13 @@ namespace CryptoExchange.Net.UnitTests
            // act
            // assert
            Assert.Throws(typeof(ArgumentException),
-                () => new RestExchangeOptions<TestEnvironment, ApiCredentials>() { ApiCredentials = new ApiCredentials(key, secret) });
+                () => {
+                    var opts = new RestExchangeOptions<TestEnvironment, HMACCredential>()
+                    {
+                        ApiCredentials = new HMACCredential(key, secret)
+                    };
+                    opts.ApiCredentials.Validate();
+                });
        }

        [Test]
@@ -38,7 +45,7 @@ namespace CryptoExchange.Net.UnitTests
            // arrange, act
            var options = new TestClientOptions
            {
-                ApiCredentials = new ApiCredentials("123", "456"),
+                ApiCredentials = new HMACCredential("123", "456"),
                ReceiveWindow = TimeSpan.FromSeconds(10)
            };

@@ -49,83 +56,65 @@ namespace CryptoExchange.Net.UnitTests
        }

        [Test]
-        public void TestApiOptionsAreSet()
+        public void TestSetOptionsRest()
        {
-            // arrange, act
-            var options = new TestClientOptions();
-            options.Api1Options.ApiCredentials = new ApiCredentials("123", "456");
-            options.Api2Options.ApiCredentials = new ApiCredentials("789", "101");
-
-            // assert
-            Assert.That(options.Api1Options.ApiCredentials.Key == "123");
-            Assert.That(options.Api1Options.ApiCredentials.Secret == "456");
-            Assert.That(options.Api2Options.ApiCredentials.Key == "789");
-            Assert.That(options.Api2Options.ApiCredentials.Secret == "101");
-        }
-
-        [Test]
-        public void TestClientUsesCorrectOptions()
-        {
-            var client = new TestRestClient(options => {
-                options.Api1Options.ApiCredentials = new ApiCredentials("111", "222");
-                options.ApiCredentials = new ApiCredentials("333", "444");
-            });
-
-            var authProvider1 = (TestAuthProvider)client.Api1.AuthenticationProvider;
-            var authProvider2 = (TestAuthProvider)client.Api2.AuthenticationProvider;
-            Assert.That(authProvider1.GetKey() == "111");
-            Assert.That(authProvider1.GetSecret() == "222");
-            Assert.That(authProvider2.GetKey() == "333");
-            Assert.That(authProvider2.GetSecret() == "444");
-        }
-
-        [Test]
-        public void TestClientUsesCorrectOptionsWithDefault()
-        {
-            TestClientOptions.Default.ApiCredentials = new ApiCredentials("123", "456");
-            TestClientOptions.Default.Api1Options.ApiCredentials = new ApiCredentials("111", "222");
-
            var client = new TestRestClient();
+            client.SetOptions(new UpdateOptions
+            {
+                RequestTimeout = TimeSpan.FromSeconds(2),
+                Proxy = new ApiProxy("http://testproxy", 1234)
+            });

-            var authProvider1 = (TestAuthProvider)client.Api1.AuthenticationProvider;
-            var authProvider2 = (TestAuthProvider)client.Api2.AuthenticationProvider;
-            Assert.That(authProvider1.GetKey() == "111");
-            Assert.That(authProvider1.GetSecret() == "222");
-            Assert.That(authProvider2.GetKey() == "123");
-            Assert.That(authProvider2.GetSecret() == "456");
-
-            // Cleanup static values
-            TestClientOptions.Default.ApiCredentials = null;
-            TestClientOptions.Default.Api1Options.ApiCredentials = null;
+            Assert.That(client.Api1.ClientOptions.Proxy, Is.Not.Null);
+            Assert.That(client.Api1.ClientOptions.Proxy.Host, Is.EqualTo("http://testproxy"));
+            Assert.That(client.Api1.ClientOptions.Proxy.Port, Is.EqualTo(1234));
+            Assert.That(client.Api1.ClientOptions.RequestTimeout, Is.EqualTo(TimeSpan.FromSeconds(2)));
        }

        [Test]
-        public void TestClientUsesCorrectOptionsWithOverridingDefault()
+        public void TestSetOptionsRestWithCredentials()
        {
-            TestClientOptions.Default.ApiCredentials = new ApiCredentials("123", "456");
-            TestClientOptions.Default.Api1Options.ApiCredentials = new ApiCredentials("111", "222");
-
-            var client = new TestRestClient(options =>
+            var client = new TestRestClient();
+            client.SetOptions(new UpdateOptions<HMACCredential>
            {
-                options.Api1Options.ApiCredentials = new ApiCredentials("333", "444");
-                options.Environment = new TestEnvironment("Test", "https://test.test");
+                ApiCredentials = new HMACCredential("123", "456"),
+                RequestTimeout = TimeSpan.FromSeconds(2),
+                Proxy = new ApiProxy("http://testproxy", 1234)
            });

-            var authProvider1 = (TestAuthProvider)client.Api1.AuthenticationProvider;
-            var authProvider2 = (TestAuthProvider)client.Api2.AuthenticationProvider;
-            Assert.That(authProvider1.GetKey() == "333");
-            Assert.That(authProvider1.GetSecret() == "444");
-            Assert.That(authProvider2.GetKey() == "123");
-            Assert.That(authProvider2.GetSecret() == "456");
-            Assert.That(client.Api2.BaseAddress == "https://localhost:123");
+            Assert.That(client.Api1.ApiCredentials, Is.Not.Null);
+            Assert.That(client.Api1.ApiCredentials.Key, Is.EqualTo("123"));
+            Assert.That(client.Api1.ClientOptions.Proxy, Is.Not.Null);
+            Assert.That(client.Api1.ClientOptions.Proxy.Host, Is.EqualTo("http://testproxy"));
+            Assert.That(client.Api1.ClientOptions.Proxy.Port, Is.EqualTo(1234));
+            Assert.That(client.Api1.ClientOptions.RequestTimeout, Is.EqualTo(TimeSpan.FromSeconds(2)));
+        }

-            // Cleanup static values
-            TestClientOptions.Default.ApiCredentials = null;
-            TestClientOptions.Default.Api1Options.ApiCredentials = null;
+        [Test]
+        public void TestWhenUpdatingSettingsExistingClientsAreNotAffected()
+        {
+            TestClientOptions.Default = new TestClientOptions
+            {
+                ApiCredentials = new HMACCredential("111", "222"),
+                RequestTimeout = TimeSpan.FromSeconds(1),
+            };
+
+            var client1 = new TestRestClient();
+
+            Assert.That(client1.ClientOptions.RequestTimeout, Is.EqualTo(TimeSpan.FromSeconds(1)));
+            Assert.That(client1.ClientOptions.ApiCredentials.Key, Is.EqualTo("111"));
+
+            TestClientOptions.Default.ApiCredentials = new HMACCredential("333", "444");
+            TestClientOptions.Default.RequestTimeout = TimeSpan.FromSeconds(2);
+
+            var client2 = new TestRestClient();
+
+            Assert.That(client2.ClientOptions.RequestTimeout, Is.EqualTo(TimeSpan.FromSeconds(2)));
+            Assert.That(client2.ClientOptions.ApiCredentials.Key, Is.EqualTo("333"));
        }
    }

-    public class TestClientOptions: RestExchangeOptions<TestEnvironment, ApiCredentials>
+    public class TestClientOptions: RestExchangeOptions<TestEnvironment, HMACCredential>
    {
        /// <summary>
        /// Default options for the futures client
@@ -81,6 +81,25 @@ namespace CryptoExchange.Net.UnitTests
            Assert.That(result.Error is ServerError);
        }

+
+        [TestCase]
+        public async Task ReceivingErrorAndNotParsingErrorAndInvalidJson_Should_ContainData()
+        {
+            // arrange
+            var client = new TestRestClient();
+            var response = "<html>...</html>";
+            client.SetErrorWithResponse(response, System.Net.HttpStatusCode.BadRequest);
+
+            // act
+            var result = await client.Api1.Request<TestObject>();
+
+            // assert
+            ClassicAssert.IsFalse(result.Success);
+            Assert.That(result.Error != null);
+            Assert.That(result.Error is DeserializeError);
+            Assert.That(result.Error.Message.Contains(response));
+        }
+
        [TestCase]
        public async Task ReceivingErrorAndParsingError_Should_ResultInParsedError()
        {
@@ -0,0 +1,633 @@
+using CryptoExchange.Net.SharedApis;
+using NUnit.Framework;
+using System;
+
+namespace CryptoExchange.Net.UnitTests
+{
+    [TestFixture()]
+    public class SharedQuantityTests
+    {
+        [Test]
+        public void SharedQuantityReference_IsZero_AllNull_Should_ReturnTrue()
+        {
+            // arrange
+            var quantity = new SharedOrderQuantity(null, null, null);
+
+            // act & assert
+            Assert.That(quantity.IsZero, Is.True);
+        }
+
+        [Test]
+        public void SharedQuantityReference_IsZero_AllZero_Should_ReturnTrue()
+        {
+            // arrange
+            var quantity = new SharedOrderQuantity(0, 0, 0);
+
+            // act & assert
+            Assert.That(quantity.IsZero, Is.True);
+        }
+
+        [Test]
+        public void SharedQuantityReference_IsZero_BaseAssetSet_Should_ReturnFalse()
+        {
+            // arrange
+            var quantity = new SharedOrderQuantity(1.5m, null, null);
+
+            // act & assert
+            Assert.That(quantity.IsZero, Is.False);
+        }
+
+        [Test]
+        public void SharedQuantityReference_IsZero_QuoteAssetSet_Should_ReturnFalse()
+        {
+            // arrange
+            var quantity = new SharedOrderQuantity(null, 100m, null);
+
+            // act & assert
+            Assert.That(quantity.IsZero, Is.False);
+        }
+
+        [Test]
+        public void SharedQuantityReference_IsZero_ContractsSet_Should_ReturnFalse()
+        {
+            // arrange
+            var quantity = new SharedOrderQuantity(null, null, 10m);
+
+            // act & assert
+            Assert.That(quantity.IsZero, Is.False);
+        }
+
+        [Test]
+        public void SharedQuantityReference_IsZero_NegativeValue_Should_ReturnTrue()
+        {
+            // arrange
+            var quantity = new SharedOrderQuantity(-1m, 0, 0);
+
+            // act & assert
+            Assert.That(quantity.IsZero, Is.True);
+        }
+
+        [Test]
+        public void SharedQuantity_DefaultConstructor_Should_SetAllPropertiesToNull()
+        {
+            // arrange & act
+            var quantity = new SharedQuantity();
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Null);
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+            Assert.That(quantity.IsZero, Is.True);
+        }
+
+        [Test]
+        public void SharedQuantity_Base_Should_SetBaseAssetQuantity()
+        {
+            // arrange
+            var expectedQuantity = 1.5m;
+
+            // act
+            var quantity = SharedQuantity.Base(expectedQuantity);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(expectedQuantity));
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedQuantity_Base_WithZero_Should_SetZeroQuantity()
+        {
+            // arrange & act
+            var quantity = SharedQuantity.Base(0m);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(0m));
+            Assert.That(quantity.IsZero, Is.True);
+        }
+
+        [Test]
+        public void SharedQuantity_Base_WithLargeValue_Should_SetCorrectly()
+        {
+            // arrange
+            var largeValue = 999999.123456789m;
+
+            // act
+            var quantity = SharedQuantity.Base(largeValue);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(largeValue));
+        }
+
+        [Test]
+        public void SharedQuantity_Quote_Should_SetQuoteAssetQuantity()
+        {
+            // arrange
+            var expectedQuantity = 100m;
+
+            // act
+            var quantity = SharedQuantity.Quote(expectedQuantity);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Null);
+            Assert.That(quantity.QuantityInQuoteAsset, Is.EqualTo(expectedQuantity));
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedQuantity_Quote_WithDecimal_Should_PreserveDecimals()
+        {
+            // arrange
+            var expectedQuantity = 50.123456m;
+
+            // act
+            var quantity = SharedQuantity.Quote(expectedQuantity);
+
+            // assert
+            Assert.That(quantity.QuantityInQuoteAsset, Is.EqualTo(expectedQuantity));
+        }
+
+        [Test]
+        public void SharedQuantity_Contracts_Should_SetContractQuantity()
+        {
+            // arrange
+            var expectedQuantity = 10m;
+
+            // act
+            var quantity = SharedQuantity.Contracts(expectedQuantity);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Null);
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.EqualTo(expectedQuantity));
+        }
+
+        [Test]
+        public void SharedQuantity_Contracts_WithFractionalValue_Should_SetCorrectly()
+        {
+            // arrange
+            var expectedQuantity = 2.5m;
+
+            // act
+            var quantity = SharedQuantity.Contracts(expectedQuantity);
+
+            // assert
+            Assert.That(quantity.QuantityInContracts, Is.EqualTo(expectedQuantity));
+        }
+
+        [Test]
+        public void SharedQuantity_BaseFromQuote_Should_CalculateCorrectly()
+        {
+            // arrange
+            var quoteQuantity = 100m;
+            var price = 50m;
+            var expectedBase = 2m; // 100 / 50 = 2
+
+            // act
+            var quantity = SharedQuantity.BaseFromQuote(quoteQuantity, price);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(expectedBase));
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedQuantity_BaseFromQuote_WithCustomDecimals_Should_RoundCorrectly()
+        {
+            // arrange
+            var quoteQuantity = 100m;
+            var price = 3m;
+            var decimalPlaces = 2;
+
+            // act
+            var quantity = SharedQuantity.BaseFromQuote(quoteQuantity, price, decimalPlaces);
+
+            // assert
+            // 100 / 3 = 33.333... should round to 33.33
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(33.33m));
+        }
+
+        [Test]
+        public void SharedQuantity_BaseFromQuote_WithLotSize_Should_AdjustToLotSize()
+        {
+            // arrange
+            var quoteQuantity = 100m;
+            var price = 7m;
+            var lotSize = 0.1m;
+
+            // act
+            var quantity = SharedQuantity.BaseFromQuote(quoteQuantity, price, 8, lotSize);
+
+            // assert
+            // 100 / 7 = 14.285714... should adjust to nearest 0.1 = 14.3
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(14.3m));
+        }
+
+        [Test]
+        public void SharedQuantity_BaseFromQuote_WithHighPrecision_Should_HandleCorrectly()
+        {
+            // arrange
+            var quoteQuantity = 1000m;
+            var price = 0.00001m;
+            var decimalPlaces = 8;
+
+            // act
+            var quantity = SharedQuantity.BaseFromQuote(quoteQuantity, price, decimalPlaces);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.GreaterThan(0));
+        }
+
+        [Test]
+        public void SharedQuantity_QuoteFromBase_Should_CalculateCorrectly()
+        {
+            // arrange
+            var baseQuantity = 2m;
+            var price = 50m;
+            var expectedQuote = 100m; // 2 * 50 = 100
+
+            // act
+            var quantity = SharedQuantity.QuoteFromBase(baseQuantity, price);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(expectedQuote));
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedQuantity_QuoteFromBase_WithCustomDecimals_Should_RoundCorrectly()
+        {
+            // arrange
+            var baseQuantity = 1.234567m;
+            var price = 10m;
+            var decimalPlaces = 2;
+
+            // act
+            var quantity = SharedQuantity.QuoteFromBase(baseQuantity, price, decimalPlaces);
+
+            // assert
+            // 1.234567 * 10 = 12.34567 should round to 12.35
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(12.35m));
+        }
+
+        [Test]
+        public void SharedQuantity_QuoteFromBase_WithLotSize_Should_AdjustToLotSize()
+        {
+            // arrange
+            var baseQuantity = 3.456m;
+            var price = 10m;
+            var lotSize = 1m;
+
+            // act
+            var quantity = SharedQuantity.QuoteFromBase(baseQuantity, price, 8, lotSize);
+
+            // assert
+            // 3.456 * 10 = 34.56 should adjust to nearest 1 = 35
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(35m));
+        }
+
+        [Test]
+        public void SharedQuantity_QuoteFromBase_WithSmallValues_Should_HandleCorrectly()
+        {
+            // arrange
+            var baseQuantity = 0.001m;
+            var price = 0.1m;
+            var decimalPlaces = 8;
+
+            // act
+            var quantity = SharedQuantity.QuoteFromBase(baseQuantity, price, decimalPlaces);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(0.0001m));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromBase_Should_CalculateCorrectly()
+        {
+            // arrange
+            var baseQuantity = 100m;
+            var contractSize = 10m;
+            var expectedContracts = 10m; // 100 / 10 = 10
+
+            // act
+            var quantity = SharedQuantity.ContractsFromBase(baseQuantity, contractSize);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(expectedContracts));
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromBase_WithCustomDecimals_Should_RoundCorrectly()
+        {
+            // arrange
+            var baseQuantity = 100m;
+            var contractSize = 3m;
+            var decimalPlaces = 2;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromBase(baseQuantity, contractSize, decimalPlaces);
+
+            // assert
+            // 100 / 3 = 33.333... should round to 33.33
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(33.33m));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromBase_WithLotSize_Should_AdjustToLotSize()
+        {
+            // arrange
+            var baseQuantity = 100m;
+            var contractSize = 7m;
+            var lotSize = 0.5m;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromBase(baseQuantity, contractSize, 8, lotSize);
+
+            // assert
+            // 100 / 7 = 14.285714... should adjust to nearest 0.5 = 14.5
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(14.5m));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromBase_WithFractionalContract_Should_HandleCorrectly()
+        {
+            // arrange
+            var baseQuantity = 1m;
+            var contractSize = 0.1m;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromBase(baseQuantity, contractSize);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(10m));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromQuote_Should_CalculateCorrectly()
+        {
+            // arrange
+            var quoteQuantity = 1000m;
+            var contractSize = 10m;
+            var price = 50m;
+            var expectedContracts = 2m; // 1000 / 50 / 10 = 2
+
+            // act
+            var quantity = SharedQuantity.ContractsFromQuote(quoteQuantity, contractSize, price);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(expectedContracts));
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromQuote_WithCustomDecimals_Should_RoundCorrectly()
+        {
+            // arrange
+            var quoteQuantity = 100m;
+            var contractSize = 3m;
+            var price = 7m;
+            var decimalPlaces = 2;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromQuote(quoteQuantity, contractSize, price, decimalPlaces);
+
+            // assert
+            // 100 / 7 / 3 = 4.761904... should round to 4.76
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(4.76m));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromQuote_WithLotSize_Should_AdjustToLotSize()
+        {
+            // arrange
+            var quoteQuantity = 1000m;
+            var contractSize = 7m;
+            var price = 13m;
+            var lotSize = 0.5m;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromQuote(quoteQuantity, contractSize, price, 8, lotSize);
+
+            // assert
+            // 1000 / 13 / 7 = 10.989... should adjust to nearest 0.5 = 11.0
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(11.0m));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromQuote_WithComplexValues_Should_CalculateCorrectly()
+        {
+            // arrange
+            var quoteQuantity = 5000m;
+            var contractSize = 0.01m;
+            var price = 25000m;
+            var decimalPlaces = 4;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromQuote(quoteQuantity, contractSize, price, decimalPlaces);
+
+            // assert
+            // 5000 / 25000 / 0.01 = 20
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(20m));
+        }
+
+        [Test]
+        public void SharedOrderQuantity_DefaultConstructor_Should_SetAllPropertiesToNull()
+        {
+            // arrange & act
+            var quantity = new SharedOrderQuantity();
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Null);
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+            Assert.That(quantity.IsZero, Is.True);
+        }
+
+        [Test]
+        public void SharedOrderQuantity_ParameterizedConstructor_Should_SetBaseAsset()
+        {
+            // arrange
+            var baseAsset = 5m;
+
+            // act
+            var quantity = new SharedOrderQuantity(baseAssetQuantity: baseAsset);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(baseAsset));
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedOrderQuantity_ParameterizedConstructor_Should_SetQuoteAsset()
+        {
+            // arrange
+            var quoteAsset = 100m;
+
+            // act
+            var quantity = new SharedOrderQuantity(quoteAssetQuantity: quoteAsset);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Null);
+            Assert.That(quantity.QuantityInQuoteAsset, Is.EqualTo(quoteAsset));
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedOrderQuantity_ParameterizedConstructor_Should_SetContracts()
+        {
+            // arrange
+            var contracts = 10m;
+
+            // act
+            var quantity = new SharedOrderQuantity(contractQuantity: contracts);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Null);
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.EqualTo(contracts));
+        }
+
+        [Test]
+        public void SharedOrderQuantity_ParameterizedConstructor_Should_SetAllValues()
+        {
+            // arrange
+            var baseAsset = 1m;
+            var quoteAsset = 50m;
+            var contracts = 5m;
+
+            // act
+            var quantity = new SharedOrderQuantity(baseAsset, quoteAsset, contracts);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(baseAsset));
+            Assert.That(quantity.QuantityInQuoteAsset, Is.EqualTo(quoteAsset));
+            Assert.That(quantity.QuantityInContracts, Is.EqualTo(contracts));
+            Assert.That(quantity.IsZero, Is.False);
+        }
+
+        [Test]
+        public void SharedOrderQuantity_ParameterizedConstructor_WithNullValues_Should_HandleCorrectly()
+        {
+            // arrange & act
+            var quantity = new SharedOrderQuantity(null, null, null);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Null);
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+            Assert.That(quantity.IsZero, Is.True);
+        }
+
+        [Test]
+        public void SharedQuantity_RecordEquality_SameValues_Should_BeEqual()
+        {
+            // arrange
+            var quantity1 = SharedQuantity.Base(10m);
+            var quantity2 = SharedQuantity.Base(10m);
+
+            // act & assert
+            Assert.That(quantity1, Is.EqualTo(quantity2));
+        }
+
+        [Test]
+        public void SharedQuantity_RecordEquality_DifferentValues_Should_NotBeEqual()
+        {
+            // arrange
+            var quantity1 = SharedQuantity.Base(10m);
+            var quantity2 = SharedQuantity.Base(20m);
+
+            // act & assert
+            Assert.That(quantity1, Is.Not.EqualTo(quantity2));
+        }
+
+        [Test]
+        public void SharedQuantity_RecordEquality_DifferentTypes_Should_NotBeEqual()
+        {
+            // arrange
+            var quantity1 = SharedQuantity.Base(10m);
+            var quantity2 = SharedQuantity.Quote(10m);
+
+            // act & assert
+            Assert.That(quantity1, Is.Not.EqualTo(quantity2));
+        }
+
+        [Test]
+        public void SharedOrderQuantity_RecordEquality_SameValues_Should_BeEqual()
+        {
+            // arrange
+            var quantity1 = new SharedOrderQuantity(5m, 100m, 2m);
+            var quantity2 = new SharedOrderQuantity(5m, 100m, 2m);
+
+            // act & assert
+            Assert.That(quantity1, Is.EqualTo(quantity2));
+        }
+
+        [Test]
+        public void SharedQuantity_BaseFromQuote_WithDefaultParameters_Should_UseDefaults()
+        {
+            // arrange
+            var quoteQuantity = 100m;
+            var price = 3m;
+
+            // act
+            var quantity = SharedQuantity.BaseFromQuote(quoteQuantity, price);
+
+            // assert
+            // Default decimalPlaces = 8, default lotSize = 0.00000001
+            Assert.That(quantity.QuantityInBaseAsset, Is.Not.Null);
+            Assert.That(quantity.QuantityInBaseAsset, Is.GreaterThan(0));
+        }
+
+        [Test]
+        public void SharedQuantity_QuoteFromBase_WithDefaultParameters_Should_UseDefaults()
+        {
+            // arrange
+            var baseQuantity = 1.234567m;
+            var price = 10m;
+
+            // act
+            var quantity = SharedQuantity.QuoteFromBase(baseQuantity, price);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Not.Null);
+            Assert.That(quantity.QuantityInBaseAsset, Is.GreaterThan(0));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromBase_WithDefaultParameters_Should_UseDefaults()
+        {
+            // arrange
+            var baseQuantity = 100m;
+            var contractSize = 3m;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromBase(baseQuantity, contractSize);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Not.Null);
+            Assert.That(quantity.QuantityInBaseAsset, Is.GreaterThan(0));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromQuote_WithDefaultParameters_Should_UseDefaults()
+        {
+            // arrange
+            var quoteQuantity = 1000m;
+            var contractSize = 10m;
+            var price = 50m;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromQuote(quoteQuantity, contractSize, price);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Not.Null);
+            Assert.That(quantity.QuantityInBaseAsset, Is.GreaterThan(0));
+        }
+    }
+}
@@ -0,0 +1,400 @@
+using CryptoExchange.Net.SharedApis;
+using NUnit.Framework;
+using System;
+
+namespace CryptoExchange.Net.UnitTests
+{
+    [TestFixture()]
+    public class SharedSymbolTests
+    {
+        [Test]
+        public void SharedSymbol_Constructor_Should_SetAllProperties()
+        {
+            // arrange
+            var tradingMode = TradingMode.Spot;
+            var baseAsset = "BTC";
+            var quoteAsset = "USDT";
+
+            // act
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset);
+
+            // assert
+            Assert.That(symbol.TradingMode, Is.EqualTo(tradingMode));
+            Assert.That(symbol.BaseAsset, Is.EqualTo(baseAsset));
+            Assert.That(symbol.QuoteAsset, Is.EqualTo(quoteAsset));
+            Assert.That(symbol.DeliverTime, Is.Null);
+            Assert.That(symbol.SymbolName, Is.Null);
+        }
+
+        [Test]
+        public void SharedSymbol_Constructor_WithDeliveryTime_Should_SetDeliveryTime()
+        {
+            // arrange
+            var tradingMode = TradingMode.DeliveryLinear;
+            var baseAsset = "BTC";
+            var quoteAsset = "USDT";
+            var deliveryTime = new DateTime(2026, 6, 25, 0, 0, 0, DateTimeKind.Utc);
+
+            // act
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset, deliveryTime);
+
+            // assert
+            Assert.That(symbol.TradingMode, Is.EqualTo(tradingMode));
+            Assert.That(symbol.BaseAsset, Is.EqualTo(baseAsset));
+            Assert.That(symbol.QuoteAsset, Is.EqualTo(quoteAsset));
+            Assert.That(symbol.DeliverTime, Is.EqualTo(deliveryTime));
+            Assert.That(symbol.SymbolName, Is.Null);
+        }
+
+        [Test]
+        public void SharedSymbol_Constructor_WithNullDeliveryTime_Should_SetToNull()
+        {
+            // arrange
+            var tradingMode = TradingMode.Spot;
+            var baseAsset = "ETH";
+            var quoteAsset = "BTC";
+
+            // act
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset, deliverTime: null);
+
+            // assert
+            Assert.That(symbol.DeliverTime, Is.Null);
+        }
+
+        [TestCase(TradingMode.Spot)]
+        [TestCase(TradingMode.PerpetualLinear)]
+        [TestCase(TradingMode.PerpetualInverse)]
+        [TestCase(TradingMode.DeliveryLinear)]
+        [TestCase(TradingMode.DeliveryInverse)]
+        public void SharedSymbol_Constructor_WithDifferentTradingModes_Should_SetCorrectly(TradingMode tradingMode)
+        {
+            // arrange
+            var baseAsset = "BTC";
+            var quoteAsset = "USDT";
+
+            // act
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset);
+
+            // assert
+            Assert.That(symbol.TradingMode, Is.EqualTo(tradingMode));
+        }
+
+        [Test]
+        public void SharedSymbol_ConstructorWithSymbolName_Should_SetSymbolName()
+        {
+            // arrange
+            var tradingMode = TradingMode.Spot;
+            var baseAsset = "BTC";
+            var quoteAsset = "USDT";
+            var symbolName = "BTC-USDT";
+
+            // act
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset, symbolName);
+
+            // assert
+            Assert.That(symbol.TradingMode, Is.EqualTo(tradingMode));
+            Assert.That(symbol.BaseAsset, Is.EqualTo(baseAsset));
+            Assert.That(symbol.QuoteAsset, Is.EqualTo(quoteAsset));
+            Assert.That(symbol.SymbolName, Is.EqualTo(symbolName));
+            Assert.That(symbol.DeliverTime, Is.Null);
+        }
+
+        [Test]
+        public void SharedSymbol_ConstructorWithSymbolName_WithCustomFormat_Should_SetCorrectly()
+        {
+            // arrange
+            var tradingMode = TradingMode.PerpetualLinear;
+            var baseAsset = "ETH";
+            var quoteAsset = "USDT";
+            var symbolName = "ETHUSDT-PERP";
+
+            // act
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset, symbolName);
+
+            // assert
+            Assert.That(symbol.SymbolName, Is.EqualTo(symbolName));
+        }
+
+        [Test]
+        public void SharedSymbol_ConstructorWithSymbolName_WithEmptyString_Should_SetEmptyString()
+        {
+            // arrange
+            var tradingMode = TradingMode.Spot;
+            var baseAsset = "BTC";
+            var quoteAsset = "USDT";
+            var symbolName = "";
+
+            // act
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset, symbolName);
+
+            // assert
+            Assert.That(symbol.SymbolName, Is.EqualTo(""));
+        }
+
+        [Test]
+        public void GetSymbol_WithSymbolNameSet_Should_ReturnSymbolName()
+        {
+            // arrange
+            var symbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT", "CUSTOM-BTC-USDT");
+            var formatFunc = new Func<string, string, TradingMode, DateTime?, string>(
+                (b, q, t, d) => $"{b}{q}");
+
+            // act
+            var result = symbol.GetSymbol(formatFunc);
+
+            // assert
+            Assert.That(result, Is.EqualTo("CUSTOM-BTC-USDT"));
+        }
+
+        [Test]
+        public void GetSymbol_WithSymbolNameNull_Should_UseFormatFunction()
+        {
+            // arrange
+            var symbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+            var formatFunc = new Func<string, string, TradingMode, DateTime?, string>(
+                (b, q, t, d) => $"{b}/{q}");
+
+            // act
+            var result = symbol.GetSymbol(formatFunc);
+
+            // assert
+            Assert.That(result, Is.EqualTo("BTC/USDT"));
+        }
+
+        [Test]
+        public void GetSymbol_WithComplexFormatFunction_Should_ApplyCorrectly()
+        {
+            // arrange
+            var symbol = new SharedSymbol(TradingMode.PerpetualLinear, "ETH", "USDT");
+            var formatFunc = new Func<string, string, TradingMode, DateTime?, string>(
+                (b, q, t, d) => t == TradingMode.PerpetualLinear ? $"{b}{q}-PERP" : $"{b}{q}");
+
+            // act
+            var result = symbol.GetSymbol(formatFunc);
+
+            // assert
+            Assert.That(result, Is.EqualTo("ETHUSDT-PERP"));
+        }
+
+        [Test]
+        public void GetSymbol_WithDeliveryTime_Should_PassDeliveryTimeToFormatter()
+        {
+            // arrange
+            var deliveryTime = new DateTime(2026, 6, 25);
+            var symbol = new SharedSymbol(TradingMode.DeliveryLinear, "BTC", "USDT", deliveryTime);
+            var formatFunc = new Func<string, string, TradingMode, DateTime?, string>(
+                (b, q, t, d) => d.HasValue ? $"{b}{q}_{d.Value:yyyyMMdd}" : $"{b}{q}");
+
+            // act
+            var result = symbol.GetSymbol(formatFunc);
+
+            // assert
+            Assert.That(result, Is.EqualTo("BTCUSDT_20260625"));
+        }
+
+        [Test]
+        public void GetSymbol_WithTradingMode_Should_PassTradingModeToFormatter()
+        {
+            // arrange
+            var symbol = new SharedSymbol(TradingMode.PerpetualInverse, "BTC", "USD");
+            var formatFunc = new Func<string, string, TradingMode, DateTime?, string>(
+                (b, q, t, d) =>
+                {
+                    return t switch
+                    {
+                        TradingMode.Spot => $"{b}{q}",
+                        TradingMode.PerpetualLinear => $"{b}{q}-PERP",
+                        TradingMode.PerpetualInverse => $"{b}{q}I-PERP",
+                        _ => $"{b}{q}"
+                    };
+                });
+
+            // act
+            var result = symbol.GetSymbol(formatFunc);
+
+            // assert
+            Assert.That(result, Is.EqualTo("BTCUSDI-PERP"));
+        }
+
+        [Test]
+        public void GetSymbol_WithEmptySymbolName_Should_UseFormatFunction()
+        {
+            // arrange
+            var symbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT", "");
+            var formatFunc = new Func<string, string, TradingMode, DateTime?, string>(
+                (b, q, t, d) => $"{b}-{q}");
+
+            // act
+            var result = symbol.GetSymbol(formatFunc);
+
+            // assert
+            Assert.That(result, Is.EqualTo("BTC-USDT"));
+        }
+
+        [Test]
+        public void GetSymbol_WithWhitespaceSymbolName_Should_ReturnWhitespace()
+        {
+            // arrange
+            var symbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT", "   ");
+            var formatFunc = new Func<string, string, TradingMode, DateTime?, string>(
+                (b, q, t, d) => $"{b}-{q}");
+
+            // act
+            var result = symbol.GetSymbol(formatFunc);
+
+            // assert
+            Assert.That(result, Is.EqualTo("   "));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_SameValues_Should_BeEqual()
+        {
+            // arrange
+            var symbol1 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+            var symbol2 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+
+            // act & assert
+            Assert.That(symbol1, Is.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_DifferentBaseAsset_Should_NotBeEqual()
+        {
+            // arrange
+            var symbol1 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+            var symbol2 = new SharedSymbol(TradingMode.Spot, "ETH", "USDT");
+
+            // act & assert
+            Assert.That(symbol1, Is.Not.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_DifferentQuoteAsset_Should_NotBeEqual()
+        {
+            // arrange
+            var symbol1 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+            var symbol2 = new SharedSymbol(TradingMode.Spot, "BTC", "EUR");
+
+            // act & assert
+            Assert.That(symbol1, Is.Not.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_DifferentTradingMode_Should_NotBeEqual()
+        {
+            // arrange
+            var symbol1 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+            var symbol2 = new SharedSymbol(TradingMode.PerpetualLinear, "BTC", "USDT");
+
+            // act & assert
+            Assert.That(symbol1, Is.Not.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_DifferentDeliveryTime_Should_NotBeEqual()
+        {
+            // arrange
+            var deliveryTime1 = new DateTime(2026, 6, 25);
+            var deliveryTime2 = new DateTime(2026, 9, 25);
+            var symbol1 = new SharedSymbol(TradingMode.DeliveryLinear, "BTC", "USDT", deliveryTime1);
+            var symbol2 = new SharedSymbol(TradingMode.DeliveryLinear, "BTC", "USDT", deliveryTime2);
+
+            // act & assert
+            Assert.That(symbol1, Is.Not.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_DifferentSymbolName_Should_NotBeEqual()
+        {
+            // arrange
+            var symbol1 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT", "BTCUSDT");
+            var symbol2 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT", "BTC-USDT");
+
+            // act & assert
+            Assert.That(symbol1, Is.Not.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_OneWithSymbolNameOneWithout_Should_NotBeEqual()
+        {
+            // NOTE; although this should probably be equal it's considered not because the SymbolName property isn't equal
+            // Overridding equality to ignore SymbolName would be possible but would break the default record equality behavior and cause confusion
+
+            // arrange
+            var symbol1 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT", "BTCUSDT");
+            var symbol2 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+
+            // act & assert
+            Assert.That(symbol1, Is.Not.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_WithAllPropertiesSet_Should_BeEqual()
+        {
+            // arrange
+            var deliveryTime = new DateTime(2026, 6, 25);
+            var symbol1 = new SharedSymbol(TradingMode.DeliveryLinear, "BTC", "USDT", deliveryTime)
+            {
+                SymbolName = "BTCUSDT-0625"
+            };
+            var symbol2 = new SharedSymbol(TradingMode.DeliveryLinear, "BTC", "USDT", deliveryTime)
+            {
+                SymbolName = "BTCUSDT-0625"
+            };
+
+            // act & assert
+            Assert.That(symbol1, Is.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_Properties_Should_BeSettable()
+        {
+            // arrange
+            var symbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+
+            // act
+            symbol.BaseAsset = "ETH";
+            symbol.QuoteAsset = "EUR";
+            symbol.TradingMode = TradingMode.PerpetualLinear;
+            symbol.SymbolName = "CUSTOM";
+            symbol.DeliverTime = DateTime.UtcNow;
+
+            // assert
+            Assert.That(symbol.BaseAsset, Is.EqualTo("ETH"));
+            Assert.That(symbol.QuoteAsset, Is.EqualTo("EUR"));
+            Assert.That(symbol.TradingMode, Is.EqualTo(TradingMode.PerpetualLinear));
+            Assert.That(symbol.SymbolName, Is.EqualTo("CUSTOM"));
+            Assert.That(symbol.DeliverTime, Is.Not.Null);
+        }
+
+        [Test]
+        public void SharedSymbol_WithSpecialCharactersInAssets_Should_HandleCorrectly()
+        {
+            // arrange
+            var baseAsset = "BTC-123";
+            var quoteAsset = "USDT_2.0";
+
+            // act
+            var symbol = new SharedSymbol(TradingMode.Spot, baseAsset, quoteAsset);
+
+            // assert
+            Assert.That(symbol.BaseAsset, Is.EqualTo(baseAsset));
+            Assert.That(symbol.QuoteAsset, Is.EqualTo(quoteAsset));
+        }
+
+        [Test]
+        public void SharedSymbol_WithLongAssetNames_Should_HandleCorrectly()
+        {
+            // arrange
+            var baseAsset = "VERYLONGASSETNAMEFORTESTING";
+            var quoteAsset = "ANOTHERVERYLONGASSETNAME";
+
+            // act
+            var symbol = new SharedSymbol(TradingMode.Spot, baseAsset, quoteAsset);
+
+            // assert
+            Assert.That(symbol.BaseAsset, Is.EqualTo(baseAsset));
+            Assert.That(symbol.QuoteAsset, Is.EqualTo(quoteAsset));
+        }
+    }
+}
@@ -1,11 +1,15 @@
 using CryptoExchange.Net.Attributes;
+using CryptoExchange.Net.Converters;
 using CryptoExchange.Net.Converters.SystemTextJson;
-using System.Text.Json;
+using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.SharedApis;
+using CryptoExchange.Net.Testing;
+using Newtonsoft.Json.Linq;
 using NUnit.Framework;
 using System;
+using System.Diagnostics;
+using System.Text.Json;
 using System.Text.Json.Serialization;
-using CryptoExchange.Net.Converters;
-using CryptoExchange.Net.SharedApis;

 namespace CryptoExchange.Net.UnitTests
 {
@@ -155,15 +159,22 @@ namespace CryptoExchange.Net.UnitTests
        [TestCase("three", TestEnum.Three)]
        [TestCase("Four", TestEnum.Four)]
        [TestCase("four", TestEnum.Four)]
-        [TestCase("Four1", TestEnum.One)]
-        [TestCase(null, TestEnum.One)]
-        public void TestEnumConverterNotNullableDeserializeTests(string value, TestEnum? expected)
+        [TestCase("Four1", (TestEnum)(-9))]
+        [TestCase(null, (TestEnum)(-9))]
+        public void TestEnumConverterNotNullableDeserializeTests(string value, TestEnum expected)
        {
            var val = value == null ? "null" : $"\"{value}\"";
            var output = JsonSerializer.Deserialize<NotNullableSTJEnumObject>($"{{ \"Value\": {val} }}");
            Assert.That(output.Value == expected);
        }

+        [Test]
+        public void TestEnumConverterMapsUndefinedValueCorrectlyIfDefaultIsDefined()
+        {
+            var output = JsonSerializer.Deserialize<TestEnum2>($"\"TestUndefined\"");
+            Assert.That((int)output == -99);
+        }
+
        [TestCase("1", TestEnum.One)]
        [TestCase("2", TestEnum.Two)]
        [TestCase("3", TestEnum.Three)]
@@ -178,6 +189,31 @@ namespace CryptoExchange.Net.UnitTests
            Assert.That(result == expected);
        }

+        [Test]
+        public void TestEnumConverterParseNullOnNonNullableOnlyLogsOnce()
+        {
+            LibraryHelpers.StaticLogger = new TraceLogger();
+            var listener = new EnumValueTraceListener();
+            Trace.Listeners.Add(listener);
+            EnumConverter<TestEnum>.Reset();
+            try
+            {
+                Assert.Throws<Exception>(() =>
+                {
+                    var result = JsonSerializer.Deserialize<NotNullableSTJEnumObject>("{\"Value\": null}", SerializerOptions.WithConverters(new SerializationContext()));
+                });
+
+                Assert.DoesNotThrow(() =>
+                {
+                    var result2 = JsonSerializer.Deserialize<NotNullableSTJEnumObject>("{\"Value\": null}", SerializerOptions.WithConverters(new SerializationContext()));
+                });
+            }
+            finally
+            {
+                Trace.Listeners.Remove(listener);
+            }
+        }
+
        [TestCase("1", true)]
        [TestCase("true", true)]
        [TestCase("yes", true)]
@@ -425,6 +461,20 @@ namespace CryptoExchange.Net.UnitTests
        Four
    }

+    [JsonConverter(typeof(EnumConverter<TestEnum2>))]
+    public enum TestEnum2
+    {
+        [Map("-9")]
+        Minus9 = -9,
+        [Map("1")]
+        One,
+        [Map("2")]
+        Two,
+        [Map("three", "3")]
+        Three,
+        Four
+    }
+
    [JsonSerializable(typeof(Test))]
    [JsonSerializable(typeof(Test2))]
    [JsonSerializable(typeof(Test3))]
@@ -1,6 +1,7 @@
 using System;
 using System.IO;
 using System.Text;
+using System.Text.Json;
 using System.Threading.Tasks;
 using CryptoExchange.Net.Authentication;
 using CryptoExchange.Net.Clients;
@@ -41,48 +42,38 @@ namespace CryptoExchange.Net.UnitTests
        }
    }

-    public class TestSubClient : RestApiClient
+    public class TestSubClient : RestApiClient<TestEnvironment, TestAuthProvider, HMACCredential>
    {
        protected override IRestMessageHandler MessageHandler => throw new NotImplementedException();

-        public TestSubClient(RestExchangeOptions<TestEnvironment> options, RestApiOptions apiOptions) : base(new TraceLogger(), null, "https://localhost:123", options, apiOptions)
+        public TestSubClient(RestExchangeOptions<TestEnvironment, HMACCredential> options, RestApiOptions apiOptions) : base(new TraceLogger(), null, "https://localhost:123", options, apiOptions)
        {
        }

        public CallResult<T> Deserialize<T>(string data)
        {
-            var stream = new MemoryStream(Encoding.UTF8.GetBytes(data));
-            var accessor = CreateAccessor();
-            var valid = accessor.Read(stream, true).Result;
-            if (!valid)
-                return new CallResult<T>(new ServerError(ErrorInfo.Unknown with { Message = data }));
-            
-            var deserializeResult = accessor.Deserialize<T>();
-            return deserializeResult;
+            return new CallResult<T>(JsonSerializer.Deserialize<T>(data));
        }

        /// <inheritdoc />
        public override string FormatSymbol(string baseAsset, string quoteAsset, TradingMode futuresType, DateTime? deliverDate = null) => $"{baseAsset.ToUpperInvariant()}{quoteAsset.ToUpperInvariant()}";
-        protected override IStreamMessageAccessor CreateAccessor() => new SystemTextJsonStreamMessageAccessor(new System.Text.Json.JsonSerializerOptions());
        protected override IMessageSerializer CreateSerializer() => new SystemTextJsonMessageSerializer(new System.Text.Json.JsonSerializerOptions());
-        protected override AuthenticationProvider CreateAuthenticationProvider(ApiCredentials credentials) => throw new NotImplementedException();
+        protected override TestAuthProvider CreateAuthenticationProvider(HMACCredential credentials) => throw new NotImplementedException();
        protected override Task<WebCallResult<DateTime>> GetServerTimestampAsync() => throw new NotImplementedException();
    }

-    public class TestAuthProvider : AuthenticationProvider
+    public class TestAuthProvider : AuthenticationProvider<HMACCredential, HMACCredential>
    {
-        public override ApiCredentialsType[] SupportedCredentialTypes => [ApiCredentialsType.Hmac];
-
-        public TestAuthProvider(ApiCredentials credentials) : base(credentials)
+        public TestAuthProvider(HMACCredential credentials) : base(credentials, credentials)
        {
        }

        public override void ProcessRequest(RestApiClient apiClient, RestRequestConfiguration requestConfig)
        {
        }
-        
-        public string GetKey() => _credentials.Key;
-        public string GetSecret() => _credentials.Secret;
+
+        public string GetKey() => Credential.Key;
+        public string GetSecret() => Credential.Secret;
    }

    public class TestEnvironment : TradeEnvironment
@@ -23,7 +23,7 @@ using CryptoExchange.Net.Converters.MessageParsing.DynamicConverters;

 namespace CryptoExchange.Net.UnitTests.TestImplementations
 {
-    public class TestRestClient: BaseRestClient
+    public class TestRestClient: BaseRestClient<TestEnvironment, HMACCredential>
    {
        public TestRestApi1Client Api1 { get; }
        public TestRestApi2Client Api2 { get; }
@@ -37,8 +37,8 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
        {
            Initialize(options.Value);

-            Api1 = new TestRestApi1Client(options.Value);
-            Api2 = new TestRestApi2Client(options.Value);
+            Api1 = AddApiClient(new TestRestApi1Client(options.Value));
+            Api2 = AddApiClient(new TestRestApi2Client(options.Value));
        }

        public void SetResponse(string responseData, out IRequest requestObj)
@@ -56,7 +56,7 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
            var request = new Mock<IRequest>();
            request.Setup(c => c.Uri).Returns(new Uri("http://www.test.com"));
            request.Setup(c => c.GetResponseAsync(It.IsAny<CancellationToken>())).Returns(Task.FromResult(response.Object));
-            request.Setup(c => c.SetContent(It.IsAny<string>(), It.IsAny<string>())).Callback(new Action<string, string>((content, type) => { request.Setup(r => r.Content).Returns(content); }));
+            request.Setup(c => c.SetContent(It.IsAny<string>(), It.IsAny<Encoding>(), It.IsAny<string>())).Callback(new Action<string, Encoding, string>((content, encoding, type) => { request.Setup(r => r.Content).Returns(content); }));
            request.Setup(c => c.AddHeader(It.IsAny<string>(), It.IsAny<string>())).Callback<string, string>((key, val) => headers.Add(key, new string[] { val }));
            request.Setup(c => c.GetHeaders()).Returns(() => headers);

@@ -130,7 +130,7 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
        }
    }

-    public class TestRestApi1Client : RestApiClient
+    public class TestRestApi1Client : RestApiClient<TestEnvironment, TestAuthProvider, HMACCredential>
    {
        protected override IRestMessageHandler MessageHandler { get; } = new TestRestMessageHandler();

@@ -142,7 +142,6 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
        /// <inheritdoc />
        public override string FormatSymbol(string baseAsset, string quoteAsset, TradingMode futuresType, DateTime? deliverDate = null) => $"{baseAsset.ToUpperInvariant()}{quoteAsset.ToUpperInvariant()}";

-        protected override IStreamMessageAccessor CreateAccessor() => new SystemTextJsonStreamMessageAccessor(new System.Text.Json.JsonSerializerOptions() { TypeInfoResolver = new TestSerializerContext() });
        protected override IMessageSerializer CreateSerializer() => new SystemTextJsonMessageSerializer(new System.Text.Json.JsonSerializerOptions());

        public async Task<CallResult<T>> Request<T>(CancellationToken ct = default) where T : class
@@ -160,7 +159,7 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
            ParameterPositions[method] = position;
        }

-        protected override AuthenticationProvider CreateAuthenticationProvider(ApiCredentials credentials)
+        protected override TestAuthProvider CreateAuthenticationProvider(HMACCredential credentials)
            => new TestAuthProvider(credentials);

        protected override Task<WebCallResult<DateTime>> GetServerTimestampAsync()
@@ -169,7 +168,7 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
        }
    }

-    public class TestRestApi2Client : RestApiClient
+    public class TestRestApi2Client : RestApiClient<TestEnvironment, TestAuthProvider, HMACCredential>
    {
        protected override IRestMessageHandler MessageHandler { get; } = new TestRestMessageHandler();

@@ -178,7 +177,6 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
            RequestFactory = new Mock<IRequestFactory>().Object;
        }

-        protected override IStreamMessageAccessor CreateAccessor() => new SystemTextJsonStreamMessageAccessor(new System.Text.Json.JsonSerializerOptions());
        protected override IMessageSerializer CreateSerializer() => new SystemTextJsonMessageSerializer(new System.Text.Json.JsonSerializerOptions());

        /// <inheritdoc />
@@ -188,8 +186,8 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
        {
            return await SendAsync<T>("http://www.test.com", new RequestDefinition("/", HttpMethod.Get) { Weight = 0 }, null, ct);
        }
-        
-        protected override AuthenticationProvider CreateAuthenticationProvider(ApiCredentials credentials)
+
+        protected override TestAuthProvider CreateAuthenticationProvider(HMACCredential credentials)
            => new TestAuthProvider(credentials);

        protected override Task<WebCallResult<DateTime>> GetServerTimestampAsync()
@@ -19,11 +19,14 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
        private ErrorMapping _errorMapping = new ErrorMapping([]);
        public override JsonSerializerOptions Options => new JsonSerializerOptions();

-        public override ValueTask<Error> ParseErrorResponse(int httpStatusCode, HttpResponseHeaders responseHeaders, Stream responseStream)
+        public override async ValueTask<Error> ParseErrorResponse(int httpStatusCode, HttpResponseHeaders responseHeaders, Stream responseStream)
        {
-            var errorData = JsonSerializer.Deserialize<TestError>(responseStream);
+            var result = await GetJsonDocument(responseStream).ConfigureAwait(false);
+            if (result.Item1 != null)
+                return result.Item1;

-            return new ValueTask<Error>(new ServerError(errorData.ErrorCode, _errorMapping.GetErrorInfo(errorData.ErrorCode.ToString(), errorData.ErrorMessage)));
+            var errorData = result.Item2.Deserialize<TestError>();
+            return new ServerError(errorData.ErrorCode, _errorMapping.GetErrorInfo(errorData.ErrorCode.ToString(), errorData.ErrorMessage));
        }
    }
 }
@@ -1,101 +1,19 @@
-using System;
-using System.IO;
-using System.Threading.Tasks;
-
-namespace CryptoExchange.Net.Authentication
+namespace CryptoExchange.Net.Authentication
 {
    /// <summary>
    /// Api credentials, used to sign requests accessing private endpoints
    /// </summary>
-    public class ApiCredentials
+    public abstract class ApiCredentials
    {
        /// <summary>
-        /// The api key / label to authenticate requests
+        /// Validate the API credentials
        /// </summary>
-        public string Key { get; set; }
-
-        /// <summary>
-        /// The api secret or private key to authenticate requests
-        /// </summary>
-        public string Secret { get; set; }
-
-        /// <summary>
-        /// The api passphrase. Not needed on all exchanges
-        /// </summary>
-        public string? Pass { get; set; }
-
-        /// <summary>
-        /// Type of the credentials
-        /// </summary>
-        public ApiCredentialsType CredentialType { get; set; }
-
-        /// <summary>
-        /// Create Api credentials providing an api key and secret for authentication
-        /// </summary>
-        /// <param name="key">The api key / label used for identification</param>
-        /// <param name="secret">The api secret or private key used for signing</param>
-        /// <param name="pass">The api pass for the key. Not always needed</param>
-        /// <param name="credentialType">The type of credentials</param>
-        public ApiCredentials(string key, string secret, string? pass = null, ApiCredentialsType credentialType = ApiCredentialsType.Hmac)
-        {
-            if (string.IsNullOrEmpty(key) || string.IsNullOrEmpty(secret))
-                throw new ArgumentException("Key and secret can't be null/empty");
-
-            CredentialType = credentialType;
-            Key = key;
-            Secret = secret;
-            Pass = pass;
-        }
-
-        /// <summary>
-        /// Create API credentials using an API key and secret generated by the server
-        /// </summary>
-        public static ApiCredentials HmacCredentials(string apiKey, string apiSecret, string? pass)
-        {
-            return new ApiCredentials(apiKey, apiSecret, pass, ApiCredentialsType.Hmac);
-        }
-
-        /// <summary>
-        /// Create API credentials using an API key and an RSA private key in PEM format
-        /// </summary>
-        public static ApiCredentials RsaPemCredentials(string apiKey, string privateKey)
-        {
-            return new ApiCredentials(apiKey, privateKey, credentialType: ApiCredentialsType.RsaPem);
-        }
-
-        /// <summary>
-        /// Create API credentials using an API key and an RSA private key in XML format
-        /// </summary>
-        public static ApiCredentials RsaXmlCredentials(string apiKey, string privateKey)
-        {
-            return new ApiCredentials(apiKey, privateKey, credentialType: ApiCredentialsType.RsaXml);
-        }
-
-        /// <summary>
-        /// Create API credentials using an API key and an Ed25519 private key
-        /// </summary>
-        public static ApiCredentials Ed25519Credentials(string apiKey, string privateKey)
-        {
-            return new ApiCredentials(apiKey, privateKey, credentialType: ApiCredentialsType.Ed25519);
-        }
-
-        /// <summary>
-        /// Load a key from a file
-        /// </summary>
-        public static string ReadFromFile(string path)
-        {
-            using var fileStream = File.OpenRead(path);
-            using var streamReader = new StreamReader(fileStream);
-            return streamReader.ReadToEnd();
-        }
+        public abstract void Validate();

        /// <summary>
        /// Copy the credentials
        /// </summary>
        /// <returns></returns>
-        public virtual ApiCredentials Copy()
-        {
-            return new ApiCredentials(Key, Secret, Pass, CredentialType);
-        }
+        public abstract ApiCredentials Copy();
    }
 }
@@ -1,25 +0,0 @@
-namespace CryptoExchange.Net.Authentication
-{
-    /// <summary>
-    /// Credentials type
-    /// </summary>
-    public enum ApiCredentialsType
-    {
-        /// <summary>
-        /// Hmac keys credentials
-        /// </summary>
-        Hmac,
-        /// <summary>
-        /// Rsa keys credentials in xml format
-        /// </summary>
-        RsaXml,
-        /// <summary>
-        /// Rsa keys credentials in pem/base64 format. Only available for .NetStandard 2.1 and up, use xml format for lower.
-        /// </summary>
-        RsaPem,
-        /// <summary>
-        /// Ed25519 keys credentials
-        /// </summary>
-        Ed25519
-    }
-}
@@ -13,6 +13,7 @@ using System.Security.Cryptography;
 using System.Text;
 using CryptoExchange.Net.Sockets;
 using CryptoExchange.Net.Sockets.Default;
+using System.Net;

 namespace CryptoExchange.Net.Authentication
 {
@@ -24,58 +25,9 @@ namespace CryptoExchange.Net.Authentication
        internal IAuthTimeProvider TimeProvider { get; set; } = new AuthTimeProvider();

        /// <summary>
-        /// The supported credential types
+        /// The public identifier for the provided credentials
        /// </summary>
-        public abstract ApiCredentialsType[] SupportedCredentialTypes { get; }
-
-        /// <summary>
-        /// Provided credentials
-        /// </summary>
-        protected internal readonly ApiCredentials _credentials;
-
-        /// <summary>
-        /// Byte representation of the secret
-        /// </summary>
-        protected byte[] _sBytes;
-
-#if NET8_0_OR_GREATER
-        /// <summary>
-        /// The Ed25519 private key
-        /// </summary>
-        protected Key? Ed25519Key;
-#endif
-
-        /// <summary>
-        /// Get the API key of the current credentials
-        /// </summary>
-        public string ApiKey => _credentials.Key!;
-        /// <summary>
-        /// Get the Passphrase of the current credentials
-        /// </summary>
-        public string? Pass => _credentials.Pass;
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        /// <param name="credentials"></param>
-        protected AuthenticationProvider(ApiCredentials credentials)
-        {
-            if (credentials.Key == null || credentials.Secret == null)
-                throw new ArgumentException("ApiKey/Secret needed");
-
-            if (!SupportedCredentialTypes.Any(x => x == credentials.CredentialType))
-                throw new ArgumentException($"Credential type {credentials.CredentialType} not supported");
-
-            if (credentials.CredentialType == ApiCredentialsType.Ed25519)
-            {
-#if !NET8_0_OR_GREATER
-                throw new ArgumentException($"Credential type Ed25519 only supported on Net8.0 or newer");
-#endif
-            }
-
-            _credentials = credentials;
-            _sBytes = Encoding.UTF8.GetBytes(credentials.Secret);
-        }
+        public abstract string Key { get; }

        /// <summary>
        /// Authenticate a REST request
@@ -276,21 +228,15 @@ namespace CryptoExchange.Net.Authentication
        /// <summary>
        /// HMACSHA256 sign the data and return the hash
        /// </summary>
-        /// <param name="data">Data to sign</param>
-        /// <param name="outputType">String type</param>
-        /// <returns></returns>
-        protected string SignHMACSHA256(string data, SignOutputType? outputType = null)
-            => SignHMACSHA256(Encoding.UTF8.GetBytes(data), outputType);
+        protected string SignHMACSHA256(HMACCredential credential, string data, SignOutputType? outputType = null)
+            => SignHMACSHA256(credential,Encoding.UTF8.GetBytes(data), outputType);

        /// <summary>
        /// HMACSHA256 sign the data and return the hash
        /// </summary>
-        /// <param name="data">Data to sign</param>
-        /// <param name="outputType">String type</param>
-        /// <returns></returns>
-        protected string SignHMACSHA256(byte[] data, SignOutputType? outputType = null)
+        protected string SignHMACSHA256(HMACCredential credential, byte[] data, SignOutputType? outputType = null)
        {
-            using var encryptor = new HMACSHA256(_sBytes);
+            using var encryptor = new HMACSHA256(credential.GetSBytes());
            var resultBytes = encryptor.ComputeHash(data);
            return outputType == SignOutputType.Base64 ? BytesToBase64String(resultBytes) : BytesToHexString(resultBytes);
        }
@@ -298,21 +244,15 @@ namespace CryptoExchange.Net.Authentication
        /// <summary>
        /// HMACSHA384 sign the data and return the hash
        /// </summary>
-        /// <param name="data">Data to sign</param>
-        /// <param name="outputType">String type</param>
-        /// <returns></returns>
-        protected string SignHMACSHA384(string data, SignOutputType? outputType = null)
-            => SignHMACSHA384(Encoding.UTF8.GetBytes(data), outputType);
+        protected string SignHMACSHA384(HMACCredential credential, string data, SignOutputType? outputType = null)
+            => SignHMACSHA384(credential, Encoding.UTF8.GetBytes(data), outputType);

        /// <summary>
        /// HMACSHA384 sign the data and return the hash
        /// </summary>
-        /// <param name="data">Data to sign</param>
-        /// <param name="outputType">String type</param>
-        /// <returns></returns>
-        protected string SignHMACSHA384(byte[] data, SignOutputType? outputType = null)
+        protected string SignHMACSHA384(HMACCredential credential, byte[] data, SignOutputType? outputType = null)
        {
-            using var encryptor = new HMACSHA384(_sBytes);
+            using var encryptor = new HMACSHA384(credential.GetSBytes());
            var resultBytes = encryptor.ComputeHash(data);
            return outputType == SignOutputType.Base64 ? BytesToBase64String(resultBytes) : BytesToHexString(resultBytes);
        }
@@ -320,21 +260,15 @@ namespace CryptoExchange.Net.Authentication
        /// <summary>
        /// HMACSHA512 sign the data and return the hash
        /// </summary>
-        /// <param name="data">Data to sign</param>
-        /// <param name="outputType">String type</param>
-        /// <returns></returns>
-        protected string SignHMACSHA512(string data, SignOutputType? outputType = null)
-            => SignHMACSHA512(Encoding.UTF8.GetBytes(data), outputType);
+        protected string SignHMACSHA512(HMACCredential credential, string data, SignOutputType? outputType = null)
+            => SignHMACSHA512(credential, Encoding.UTF8.GetBytes(data), outputType);

        /// <summary>
        /// HMACSHA512 sign the data and return the hash
        /// </summary>
-        /// <param name="data">Data to sign</param>
-        /// <param name="outputType">String type</param>
-        /// <returns></returns>
-        protected string SignHMACSHA512(byte[] data, SignOutputType? outputType = null)
+        protected string SignHMACSHA512(HMACCredential credential, byte[] data, SignOutputType? outputType = null)
        {
-            using var encryptor = new HMACSHA512(_sBytes);
+            using var encryptor = new HMACSHA512(credential.GetSBytes());
            var resultBytes = encryptor.ComputeHash(data);
            return outputType == SignOutputType.Base64 ? BytesToBase64String(resultBytes) : BytesToHexString(resultBytes);
        }
@@ -342,27 +276,21 @@ namespace CryptoExchange.Net.Authentication
        /// <summary>
        /// SHA256 sign the data
        /// </summary>
-        /// <param name="data"></param>
-        /// <param name="outputType"></param>
-        /// <returns></returns>
-        protected string SignRSASHA256(byte[] data, SignOutputType? outputType = null)
+        protected string SignRSASHA256(RSACredential credential, byte[] data, SignOutputType? outputType = null)
        {
-            using var rsa = CreateRSA();
+            var rsa = credential.GetSigner();
            using var sha256 = SHA256.Create();
            var hash = sha256.ComputeHash(data);
            var resultBytes = rsa.SignHash(hash, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
-            return outputType == SignOutputType.Base64? BytesToBase64String(resultBytes) : BytesToHexString(resultBytes);
+            return outputType == SignOutputType.Base64 ? BytesToBase64String(resultBytes) : BytesToHexString(resultBytes);
        }

        /// <summary>
        /// SHA384 sign the data
        /// </summary>
-        /// <param name="data"></param>
-        /// <param name="outputType"></param>
-        /// <returns></returns>
-        protected string SignRSASHA384(byte[] data, SignOutputType? outputType = null)
+        protected string SignRSASHA384(RSACredential credential, byte[] data, SignOutputType? outputType = null)
        {
-            using var rsa = CreateRSA();
+            var rsa = credential.GetSigner();
            using var sha384 = SHA384.Create();
            var hash = sha384.ComputeHash(data);
            var resultBytes = rsa.SignHash(hash, HashAlgorithmName.SHA384, RSASignaturePadding.Pkcs1);
@@ -372,79 +300,32 @@ namespace CryptoExchange.Net.Authentication
        /// <summary>
        /// SHA512 sign the data
        /// </summary>
-        /// <param name="data"></param>
-        /// <param name="outputType"></param>
-        /// <returns></returns>
-        protected string SignRSASHA512(byte[] data, SignOutputType? outputType = null)
+        protected string SignRSASHA512(RSACredential credential, byte[] data, SignOutputType? outputType = null)
        {
-            using var rsa = CreateRSA();
+            var rsa = credential.GetSigner();
            using var sha512 = SHA512.Create();
            var hash = sha512.ComputeHash(data);
            var resultBytes = rsa.SignHash(hash, HashAlgorithmName.SHA512, RSASignaturePadding.Pkcs1);
            return outputType == SignOutputType.Base64 ? BytesToBase64String(resultBytes) : BytesToHexString(resultBytes);
        }

-        /// <summary>
-        /// Ed25519 sign the data 
-        /// </summary>
-        public string SignEd25519(string data, SignOutputType? outputType = null)
-            => SignEd25519(Encoding.ASCII.GetBytes(data), outputType);
-
-        /// <summary>
-        /// Ed25519 sign the data 
-        /// </summary>
-        public string SignEd25519(byte[] data, SignOutputType? outputType = null)
-        {
 #if NET8_0_OR_GREATER
-            if (Ed25519Key == null)
-            {
-                var key = _credentials.Secret!
-                        .Replace("\n", "")
-                        .Replace("-----BEGIN PRIVATE KEY-----", "")
-                        .Replace("-----END PRIVATE KEY-----", "")
-                        .Trim();
-                var keyBytes = Convert.FromBase64String(key);
-                Ed25519Key = Key.Import(SignatureAlgorithm.Ed25519, keyBytes, KeyBlobFormat.PkixPrivateKey);
-            }
+        /// <summary>
+        /// Ed25519 sign the data 
+        /// </summary>
+        public string SignEd25519(Ed25519Credential credential, string data, SignOutputType? outputType = null)
+            => SignEd25519(credential, Encoding.ASCII.GetBytes(data), outputType);

-            var resultBytes = SignatureAlgorithm.Ed25519.Sign(Ed25519Key, data);
-            return outputType == SignOutputType.Base64 ? BytesToBase64String(resultBytes) : BytesToHexString(resultBytes);
-#else
-            throw new InvalidOperationException();
-#endif
-        }
-
-        private RSA CreateRSA()
+        /// <summary>
+        /// Ed25519 sign the data 
+        /// </summary>
+        public string SignEd25519(Ed25519Credential credential, byte[] data, SignOutputType? outputType = null)
        {
-            var rsa = RSA.Create();
-            if (_credentials.CredentialType == ApiCredentialsType.RsaPem)
-            {
-#if NETSTANDARD2_1_OR_GREATER || NET9_0_OR_GREATER
-                // Read from pem private key
-                var key = _credentials.Secret!
-                        .Replace("\n", "")
-                        .Replace("-----BEGIN PRIVATE KEY-----", "")
-                        .Replace("-----END PRIVATE KEY-----", "")
-                        .Trim();
-                rsa.ImportPkcs8PrivateKey(Convert.FromBase64String(
-                    key)
-                    , out _);
-#else
-                throw new Exception("Pem format not supported when running from .NetStandard2.0. Convert the private key to xml format.");
-#endif
-            }
-            else if (_credentials.CredentialType == ApiCredentialsType.RsaXml)
-            {
-                // Read from xml private key format
-                rsa.FromXmlString(_credentials.Secret!);
-            }
-            else
-            {
-                throw new Exception("Invalid credentials type");
-            }
-
-            return rsa;
+            var signKey = credential.GetSigningKey();
+            var resultBytes = SignatureAlgorithm.Ed25519.Sign(signKey, data);
+            return outputType == SignOutputType.Base64 ? BytesToBase64String(resultBytes) : BytesToHexString(resultBytes);
        }
+#endif

        /// <summary>
        /// Convert byte array to hex string
@@ -518,11 +399,14 @@ namespace CryptoExchange.Net.Authentication
        /// </summary>
        protected DateTime GetTimestamp(SocketApiClient apiClient, bool includeOneSecondOffset = true)
        {
-            var result = TimeProvider.GetTime().Add(TimeOffsetManager.GetSocketOffset(apiClient.ClientName) ?? TimeSpan.Zero)!;
-            if (includeOneSecondOffset)
-                result = result.AddSeconds(-1);
+            var timestamp = TimeProvider.GetTime();
+            if(apiClient.ApiOptions.AutoTimestamp ?? apiClient.ClientOptions.AutoTimestamp)
+                timestamp = timestamp.Add(-TimeOffsetManager.GetSocketOffset(apiClient.ClientName) ?? TimeSpan.Zero)!;

-            return result;
+            if (includeOneSecondOffset)
+                timestamp = timestamp.AddSeconds(-1);
+
+            return timestamp;
        }

        /// <summary>
@@ -568,17 +452,179 @@ namespace CryptoExchange.Net.Authentication
    }

    /// <inheritdoc />
-    public abstract class AuthenticationProvider<TApiCredentials> : AuthenticationProvider where TApiCredentials : ApiCredentials
+    public abstract class AuthenticationProvider<TApiCredentials> : AuthenticationProvider
+        where TApiCredentials: ApiCredentials
    {
-        /// <inheritdoc />
-        protected new TApiCredentials _credentials => (TApiCredentials)base._credentials;
+        /// <summary>
+        /// API credentials used for signing requests
+        /// </summary>
+        public TApiCredentials ApiCredentials { get; set; }

        /// <summary>
        /// ctor
        /// </summary>
-        /// <param name="credentials"></param>
-        protected AuthenticationProvider(TApiCredentials credentials) : base(credentials)
+        protected AuthenticationProvider(TApiCredentials credentials)
        {
+            credentials.Validate();
+
+            ApiCredentials = credentials;
        }
    }
+
+    /// <inheritdoc />
+    public abstract class AuthenticationProvider<TApiCredentials, TCredentialType> : AuthenticationProvider<TApiCredentials>
+        where TApiCredentials : ApiCredentials
+        where TCredentialType : CredentialSet
+    {
+        /// <summary>
+        /// The specific credential type used for signing requests.
+        /// </summary>
+        public TCredentialType Credential { get; }
+
+        /// <inheritdoc />
+        public override string Key => Credential.Key;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        protected AuthenticationProvider(
+            TApiCredentials credentials,
+            TCredentialType? credential) : base(credentials)
+        {
+            if (credential == null)
+                throw new ArgumentException($"Missing \"{typeof(TCredentialType).Name}\" credentials on \"{credentials.GetType().Name}\"");
+
+            Credential = credential;
+        }
+        
+        /// <summary>
+        /// HMACSHA256 sign the data and return the hash
+        /// </summary>
+        /// <param name="data">Data to sign</param>
+        /// <param name="outputType">String type</param>
+        /// <returns></returns>
+        protected string SignHMACSHA256(string data, SignOutputType? outputType = null)
+            => SignHMACSHA256(Encoding.UTF8.GetBytes(data), outputType);
+
+        /// <summary>
+        /// HMACSHA256 sign the data and return the hash
+        /// </summary>
+        /// <param name="data">Data to sign</param>
+        /// <param name="outputType">String type</param>
+        /// <returns></returns>
+        protected string SignHMACSHA256(byte[] data, SignOutputType? outputType = null)
+        {
+            if (Credential is not HMACCredential hmacCredential)
+                throw new InvalidOperationException($"Invalid HMAC signing without HMAC credentials provided");
+
+            return SignHMACSHA256(hmacCredential, data, outputType);
+        }
+
+        /// <summary>
+        /// HMACSHA384 sign the data and return the hash
+        /// </summary>
+        /// <param name="data">Data to sign</param>
+        /// <param name="outputType">String type</param>
+        /// <returns></returns>
+        protected string SignHMACSHA384(string data, SignOutputType? outputType = null)
+            => SignHMACSHA384(Encoding.UTF8.GetBytes(data), outputType);
+
+        /// <summary>
+        /// HMACSHA384 sign the data and return the hash
+        /// </summary>
+        /// <param name="data">Data to sign</param>
+        /// <param name="outputType">String type</param>
+        /// <returns></returns>
+        protected string SignHMACSHA384(byte[] data, SignOutputType? outputType = null)
+        {
+            if (Credential is not HMACCredential hmacCredential)
+                throw new InvalidOperationException($"Invalid HMAC signing without HMAC credentials provided");
+
+            return SignHMACSHA384(hmacCredential, data, outputType);
+        }
+
+        /// <summary>
+        /// HMACSHA512 sign the data and return the hash
+        /// </summary>
+        /// <param name="data">Data to sign</param>
+        /// <param name="outputType">String type</param>
+        /// <returns></returns>
+        protected string SignHMACSHA512(string data, SignOutputType? outputType = null)
+            => SignHMACSHA512(Encoding.UTF8.GetBytes(data), outputType);
+
+        /// <summary>
+        /// HMACSHA512 sign the data and return the hash
+        /// </summary>
+        /// <param name="data">Data to sign</param>
+        /// <param name="outputType">String type</param>
+        /// <returns></returns>
+        protected string SignHMACSHA512(byte[] data, SignOutputType? outputType = null)
+        {
+            if (Credential is not HMACCredential hmacCredential)
+                throw new InvalidOperationException($"Invalid HMAC signing without HMAC credentials provided");
+
+            return SignHMACSHA512(hmacCredential, data, outputType);
+        }
+
+        /// <summary>
+        /// SHA256 sign the data
+        /// </summary>
+        /// <param name="data"></param>
+        /// <param name="outputType"></param>
+        /// <returns></returns>
+        protected string SignRSASHA256(byte[] data, SignOutputType? outputType = null)
+        {
+            if (Credential is not RSACredential rsaCredential)
+                throw new InvalidOperationException($"Invalid RSA signing without RSA credentials provided");
+
+            return SignRSASHA256(rsaCredential, data, outputType);
+        }
+
+        /// <summary>
+        /// SHA384 sign the data
+        /// </summary>
+        /// <param name="data"></param>
+        /// <param name="outputType"></param>
+        /// <returns></returns>
+        protected string SignRSASHA384(byte[] data, SignOutputType? outputType = null)
+        {
+            if (Credential is not RSACredential rsaCredential)
+                throw new InvalidOperationException($"Invalid RSA signing without RSA credentials provided");
+
+            return SignRSASHA384(rsaCredential, data, outputType);
+        }
+
+        /// <summary>
+        /// SHA512 sign the data
+        /// </summary>
+        /// <param name="data"></param>
+        /// <param name="outputType"></param>
+        /// <returns></returns>
+        protected string SignRSASHA512(byte[] data, SignOutputType? outputType = null)
+        {
+            if (Credential is not RSACredential rsaCredential)
+                throw new InvalidOperationException($"Invalid RSA signing without RSA credentials provided");
+
+            return SignRSASHA512(rsaCredential, data, outputType);
+        }
+
+#if NET8_0_OR_GREATER
+        /// <summary>
+        /// Ed25519 sign the data 
+        /// </summary>
+        public string SignEd25519(string data, SignOutputType? outputType = null)
+            => SignEd25519(Encoding.ASCII.GetBytes(data), outputType);
+
+        /// <summary>
+        /// Ed25519 sign the data 
+        /// </summary>
+        public string SignEd25519(byte[] data, SignOutputType? outputType = null)
+        {
+            if (Credential is not Ed25519Credential ed25519Credential)
+                throw new InvalidOperationException($"Invalid Ed25519 signing without Ed25519 credentials provided");
+
+            return SignEd25519(ed25519Credential, data, outputType);
+        }
+#endif
+    }
 }
@@ -0,0 +1,569 @@
+using System;
+using System.Security.Cryptography;
+using System.Text;
+
+#pragma warning disable CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring as nullable.
+
+namespace CryptoExchange.Net.Authentication
+{
+    /// <summary>
+    /// Base class for a set of credentials
+    /// </summary>
+    public abstract class CredentialSet : ApiCredentials
+    {
+        /// <summary>
+        /// The (public) key/identifier for this credential pair
+        /// </summary>
+        public string Key { get; set; }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public CredentialSet() { }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public CredentialSet(string key)
+        {
+            Key = key;
+        }
+
+        /// <summary>
+        /// Validate the API credential
+        /// </summary>
+        public override void Validate()
+        {
+            if (string.IsNullOrEmpty(Key))
+                throw new ArgumentException($"Key not set on {GetType().Name}", nameof(Key));
+        }
+    }
+
+    /// <summary>
+    /// Api key credentials
+    /// </summary>
+    public class ApiKeyCredential : CredentialSet
+    {
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="key">Api key</param>
+        public ApiKeyCredential(string key) : base(key)
+        {
+        }
+
+        /// <inheritdoc />
+        public override ApiCredentials Copy() => new ApiKeyCredential(Key);
+
+    }
+
+    /// <summary>
+    /// HMAC credentials
+    /// </summary>
+    public class HMACCredential : CredentialSet
+    {
+        private byte[]? _sBytes;
+
+        /// <summary>
+        /// API secret
+        /// </summary>
+        public string Secret { get; set; }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public HMACCredential()
+        {
+        }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="key">Api key/label</param>
+        /// <param name="secret">Api secret</param>
+        public HMACCredential(string key, string secret) : base(key)
+        {
+            Secret = secret;
+        }
+
+        /// <summary>
+        /// Get the secret value bytes
+        /// </summary>
+        /// <returns></returns>
+        public byte[] GetSBytes()
+        {
+            return _sBytes ??= Encoding.UTF8.GetBytes(Secret);
+        }
+
+        /// <inheritdoc />
+        public override ApiCredentials Copy() => new HMACCredential(Key, Secret);
+
+        /// <inheritdoc />
+        public override void Validate()
+        {
+            base.Validate();
+            if (string.IsNullOrEmpty(Secret))
+                throw new ArgumentException($"Secret not set on {GetType().Name}", nameof(Secret));
+        }
+    }
+
+    /// <summary>
+    /// HMAC credentials
+    /// </summary>
+    public class HMACPassCredential : HMACCredential
+    {
+        /// <summary>
+        /// Passphrase
+        /// </summary>
+        public string Pass { get; set; }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public HMACPassCredential()
+        {
+        }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="key">Api key/label</param>
+        /// <param name="secret">Api secret</param>
+        /// <param name="pass">Passphrase</param>
+        public HMACPassCredential(string key, string secret, string pass) : base(key, secret)
+        {
+            Pass = pass;
+        }
+
+
+        /// <inheritdoc />
+        public override ApiCredentials Copy() => new HMACPassCredential(Key, Secret, Pass);
+
+        /// <inheritdoc />
+        public override void Validate()
+        {
+            base.Validate();
+            if (string.IsNullOrEmpty(Pass))
+                throw new ArgumentException($"Pass not set on {GetType().Name}", nameof(Pass));
+        }
+    }
+
+    /// <summary>
+    /// RSA credentials
+    /// </summary>
+    public abstract class RSACredential : CredentialSet
+    {
+        /// <summary>
+        /// Private key
+        /// </summary>
+        public string PrivateKey { get; set; }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public RSACredential()
+        {
+        }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="key">Public key</param>
+        /// <param name="privateKey">Private key</param>
+        public RSACredential(string key, string privateKey) : base(key)
+        {
+            PrivateKey = privateKey;
+        }
+
+        /// <summary>
+        /// Get RSA signer
+        /// </summary>
+        public abstract RSA GetSigner();
+
+        /// <inheritdoc />
+        public override void Validate()
+        {
+            base.Validate();
+            if (string.IsNullOrEmpty(PrivateKey))
+                throw new ArgumentException($"PrivateKey not set on {GetType().Name}", nameof(PrivateKey));
+        }
+    }
+
+    /// <summary>
+    /// RSA credentials
+    /// </summary>
+    public abstract class RSAPassCredential : RSACredential
+    {
+        /// <summary>
+        /// Passphrase
+        /// </summary>
+        public string Pass { get; set; }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public RSAPassCredential()
+        {
+        }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="key">Public key</param>
+        /// <param name="privateKey">Private key</param>
+        /// <param name="pass">Passphrase</param>
+        public RSAPassCredential(string key, string privateKey, string pass) : base(key, privateKey)
+        {
+            PrivateKey = privateKey;
+            Pass = pass;
+        }
+
+        /// <inheritdoc />
+        public override void Validate()
+        {
+            base.Validate();
+            if (string.IsNullOrEmpty(Pass))
+                throw new ArgumentException($"PrivateKey not set on {GetType().Name}", nameof(PrivateKey));
+        }
+    }
+
+#if NETSTANDARD2_1_OR_GREATER || NET7_0_OR_GREATER
+    /// <summary>
+    /// RSA credentials in PEM/base64 format
+    /// </summary>
+    public class RSAPemCredential : RSACredential
+    {
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public RSAPemCredential()
+        {
+        }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="key">Public key</param>
+        /// <param name="privateKey">Private key</param>
+        public RSAPemCredential(string key, string privateKey) : base(key, privateKey)
+        {
+        }
+
+        /// <summary>
+        /// Get RSA signer
+        /// </summary>
+        public override RSA GetSigner()
+        {
+            var rsa = RSA.Create();
+            var key = PrivateKey!
+                        .Replace("\n", "")
+                        .Replace("-----BEGIN PRIVATE KEY-----", "")
+                        .Replace("-----END PRIVATE KEY-----", "")
+                        .Trim();
+            rsa.ImportPkcs8PrivateKey(Convert.FromBase64String(
+                key)
+                , out _);
+
+            return rsa;
+        }
+
+        /// <inheritdoc />
+        public override ApiCredentials Copy() => new RSAPemCredential(Key, PrivateKey);        
+    }
+
+    /// <summary>
+    /// RSA PEM/Base64 credentials
+    /// </summary>
+    public class RSAPemPassCredential : RSAPassCredential
+    {
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public RSAPemPassCredential()
+        {
+        }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="key">Api key/label</param>
+        /// <param name="privateKey">Api secret</param>
+        /// <param name="pass">Passphrase</param>
+        public RSAPemPassCredential(string key, string privateKey, string pass) : base(key, privateKey, pass)
+        {
+        }
+
+        /// <summary>
+        /// Get RSA signer
+        /// </summary>
+        public override RSA GetSigner()
+        {
+            var rsa = RSA.Create();
+            var key = PrivateKey!
+                        .Replace("\n", "")
+                        .Replace("-----BEGIN PRIVATE KEY-----", "")
+                        .Replace("-----END PRIVATE KEY-----", "")
+                        .Trim();
+            rsa.ImportPkcs8PrivateKey(Convert.FromBase64String(
+                key)
+                , out _);
+
+            return rsa;
+        }
+
+        /// <inheritdoc />
+        public override ApiCredentials Copy() => new RSAPemPassCredential(Key, PrivateKey, Pass);
+    }
+#endif
+
+    /// <summary>
+    /// RSA credentials in XML format
+    /// </summary>
+    public class RSAXmlCredential : RSACredential
+    {
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public RSAXmlCredential()
+        {
+        }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="key">Public key</param>
+        /// <param name="privateKey">Private key</param>
+        public RSAXmlCredential(string key, string privateKey) : base(key, privateKey)
+        {
+        }
+
+        /// <summary>
+        /// Get RSA signer
+        /// </summary>
+        public override RSA GetSigner()
+        {
+            var rsa = RSA.Create();
+            rsa.FromXmlString(PrivateKey);
+            return rsa;
+        }
+
+        /// <inheritdoc />
+        public override ApiCredentials Copy() => new RSAXmlCredential(Key, PrivateKey);
+    }
+
+    /// <summary>
+    /// RSA XML credentials
+    /// </summary>
+    public class RSAXmlPassCredential : RSAPassCredential
+    {
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public RSAXmlPassCredential()
+        {
+        }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="key">Api key/label</param>
+        /// <param name="privateKey">Api secret</param>
+        /// <param name="pass">Passphrase</param>
+        public RSAXmlPassCredential(string key, string privateKey, string pass) : base(key, privateKey, pass)
+        {
+        }
+
+        /// <summary>
+        /// Get RSA signer
+        /// </summary>
+        public override RSA GetSigner()
+        {
+            var rsa = RSA.Create();
+            rsa.FromXmlString(PrivateKey);
+            return rsa;
+        }
+
+        /// <inheritdoc />
+        public override ApiCredentials Copy() => new RSAXmlPassCredential(Key, PrivateKey, Pass);
+    }
+
+#if NET8_0_OR_GREATER
+    /// <summary>
+    /// Credentials in Ed25519 format
+    /// </summary>
+    public class Ed25519Credential : CredentialSet
+    {
+        private NSec.Cryptography.Key? _signKey;
+
+        /// <summary>
+        /// Private key
+        /// </summary>
+        public string PrivateKey { get; set; }
+        
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public Ed25519Credential()
+        {
+        }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="key">Public key</param>
+        /// <param name="privateKey">Private key</param>
+        public Ed25519Credential(string key, string privateKey) : base(key)
+        {
+            PrivateKey = privateKey;
+        }
+
+        /// <summary>
+        /// Get signing key
+        /// </summary>
+        public NSec.Cryptography.Key GetSigningKey()
+        {
+            if (_signKey != null)
+                return _signKey;
+
+            var key = PrivateKey!
+                        .Replace("\n", "")
+                        .Replace("-----BEGIN PRIVATE KEY-----", "")
+                        .Replace("-----END PRIVATE KEY-----", "")
+                        .Trim();
+            var keyBytes = Convert.FromBase64String(key);
+            _signKey = NSec.Cryptography.Key.Import(NSec.Cryptography.SignatureAlgorithm.Ed25519, keyBytes, NSec.Cryptography.KeyBlobFormat.PkixPrivateKey);
+            return _signKey;
+        }
+
+        /// <inheritdoc />
+        public override ApiCredentials Copy() => new Ed25519Credential(Key, PrivateKey);
+        
+        /// <inheritdoc />
+        public override void Validate()
+        {
+            base.Validate();
+            if (string.IsNullOrEmpty(PrivateKey))
+                throw new ArgumentException($"PrivateKey not set on {GetType().Name}", nameof(PrivateKey));
+        }
+    }
+
+    /// <summary>
+    /// Ed25519 credentials
+    /// </summary>
+    public class Ed25519PassCredential : Ed25519Credential
+    {
+        /// <summary>
+        /// Passphrase
+        /// </summary>
+        public string Pass { get; set; }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public Ed25519PassCredential()
+        {
+        }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="key">Api key/label</param>
+        /// <param name="privateKey">Private key</param>
+        /// <param name="pass">Passphrase</param>
+        public Ed25519PassCredential(string key, string privateKey, string pass) : base(key, privateKey)
+        {
+            Pass = pass;
+        }
+
+        /// <inheritdoc />
+        public override ApiCredentials Copy() => new Ed25519PassCredential(Key, PrivateKey, Pass);
+
+        /// <inheritdoc />
+        public override void Validate()
+        {
+            base.Validate();
+            if (string.IsNullOrEmpty(Pass))
+                throw new ArgumentException($"Pass not set on {GetType().Name}", nameof(Pass));
+        }
+    }
+#endif
+
+    /// <summary>
+    /// Credentials in ECDsa format
+    /// </summary>
+    public class ECDsaCredential : CredentialSet
+    {
+        /// <summary>
+        /// Private key
+        /// </summary>
+        public string PrivateKey { get; set; }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public ECDsaCredential()
+        {
+        }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="key">Public key</param>
+        /// <param name="privateKey">Private key</param>
+        public ECDsaCredential(string key, string privateKey) : base(key)
+        {
+            PrivateKey = privateKey;
+        }
+
+        /// <inheritdoc />
+        public override ApiCredentials Copy() => new ECDsaCredential(Key, PrivateKey);
+
+        /// <inheritdoc />
+        public override void Validate()
+        {
+            base.Validate();
+            if (string.IsNullOrEmpty(PrivateKey))
+                throw new ArgumentException($"PrivateKey not set on {GetType().Name}", nameof(PrivateKey));
+        }
+    }
+
+    /// <summary>
+    /// ECDsa credentials
+    /// </summary>
+    public class ECDsaPassCredential : ECDsaCredential
+    {
+        /// <summary>
+        /// Passphrase
+        /// </summary>
+        public string Pass { get; set; }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public ECDsaPassCredential()
+        {
+        }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="key">Api key/label</param>
+        /// <param name="privateKey">Private key</param>
+        /// <param name="pass">Passphrase</param>
+        public ECDsaPassCredential(string key, string privateKey, string pass) : base(key, privateKey)
+        {
+            Pass = pass;
+        }
+
+        /// <inheritdoc />
+        public override ApiCredentials Copy() => new ECDsaPassCredential(Key, PrivateKey, Pass);
+
+        /// <inheritdoc />
+        public override void Validate()
+        {
+            base.Validate();
+            if (string.IsNullOrEmpty(Pass))
+                throw new ArgumentException($"Pass not set on {GetType().Name}", nameof(Pass));
+        }
+    }
+}
@@ -0,0 +1,147 @@
+using System;
+using System.Linq;
+using System.Numerics;
+using System.Text;
+
+namespace CryptoExchange.Net.Authentication.Signing
+{
+    /// <summary>
+    /// ABI encoding
+    /// </summary>
+    public static class CeAbiEncoder
+    {
+        /// <summary>
+        /// ABI encode string as Sha3Keccack hashed byte value
+        /// </summary>
+        public static byte[] AbiValueEncodeString(string value)
+        {
+            var abiValueEncoded = CeSha3Keccack.CalculateHash(Encoding.UTF8.GetBytes(value));
+            return abiValueEncoded;
+        }
+
+        /// <summary>
+        /// ABI encode bool value as uint256 with 1 for true and 0 for false, as per ABI specification
+        /// </summary>
+        public static byte[] AbiValueEncodeBool(bool value)
+            => AbiValueEncodeInt((byte)(value ? 1 : 0));
+
+        /// <summary>
+        /// ABI encode byte value as uint256, as per ABI specification
+        /// </summary>
+        public static byte[] AbiValueEncodeInt(byte value)
+            => AbiValueEncodeBigInteger(false, new BigInteger(value));
+
+        /// <summary>
+        /// ABI encode short value as int256, as per ABI specification  
+        /// </summary>
+        public static byte[] AbiValueEncodeInt(short value)
+            => AbiValueEncodeBigInteger(true, new BigInteger(value));
+
+        /// <summary>
+        /// ABI encode int value as int256, as per ABI specification
+        /// </summary>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        public static byte[] AbiValueEncodeInt(int value)
+            => AbiValueEncodeBigInteger(true, new BigInteger(value));
+
+        /// <summary>
+        /// ABI encode long value as int256, as per ABI specification
+        /// </summary>
+        public static byte[] AbiValueEncodeInt(long value)
+            => AbiValueEncodeBigInteger(true, new BigInteger(value));
+
+        /// <summary>
+        /// ABI encode ushort value as uint256, as per ABI specification
+        /// </summary>
+        public static byte[] AbiValueEncodeInt(ushort value)
+            => AbiValueEncodeBigInteger(false, new BigInteger(value));
+
+        /// <summary>
+        /// ABI encode uint value as uint256, as per ABI specification
+        /// </summary>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        public static byte[] AbiValueEncodeInt(uint value)
+            => AbiValueEncodeBigInteger(false, new BigInteger(value));
+
+        /// <summary>
+        /// ABI encode ulong value as uint256, as per ABI specification
+        /// </summary>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        public static byte[] AbiValueEncodeInt(ulong value)
+            => AbiValueEncodeBigInteger(false, new BigInteger(value));
+
+        /// <summary>
+        /// ABI encode big integer value as int256 or uint256, as per ABI specification
+        /// </summary>
+        public static byte[] AbiValueEncodeBigInteger(bool signed, BigInteger value)
+        {
+            var result = new byte[32];
+            if (signed && value < 0)
+            {
+                // Pad with FF
+                for (int i = 0; i < result.Length; i++)
+                {
+                    result[i] = 0xFF;
+                }
+            }
+
+            var t = value.ToByteArray();
+            if (t.Length == 33)
+            {
+                // Strip last byte
+                var strip1 = new byte[32];
+                Array.Copy(t, 0, strip1, 0, 32);
+                t = strip1;
+            }
+
+            if (BitConverter.IsLittleEndian)
+                t = t.AsEnumerable().Reverse().ToArray();
+
+            t.CopyTo(result, result.Length - t.Length);
+            return result;
+        }
+
+        /// <summary>
+        /// ABI encode address value as uint256, as per ABI specification
+        /// </summary>
+        public static byte[] AbiValueEncodeAddress(string value)
+        {
+            var result = new byte[32];
+            var h = value.HexStringToBytes();
+            h.CopyTo(result, result.Length - h.Length);
+            return result;
+        }
+
+        /// <summary>
+        /// ABI encode hex string value as bytes32, as per ABI specification. The hex string is expected to be a 0x prefixed string, and the resulting bytes will be right aligned in the 32 bytes result, with leading zeros if the hex string is shorter than 32 bytes. If the hex string is longer than 32 bytes, an exception will be thrown.
+        /// </summary>
+        /// <param name="length"></param>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        public static byte[] AbiValueEncodeHexBytes(int length, string value)
+            => AbiValueEncodeBytes(value.Length, value.HexStringToBytes());
+
+        /// <summary>
+        /// ABI encode byte array value as bytes32, as per ABI specification. The resulting bytes will be right aligned in the 32 bytes result, with leading zeros if the byte array is shorter than 32 bytes. If the byte array is longer than 32 bytes, an exception will be thrown.
+        /// </summary>
+        /// <param name="length"></param>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        /// <exception cref="Exception"></exception>
+        public static byte[] AbiValueEncodeBytes(int length, byte[] value)
+        {
+            if (length != 32)
+                throw new Exception("Only 32 bytes size supported");
+
+            if (value.Length == 32)
+                return value;
+
+            var result = new byte[32];
+            value.CopyTo(result, result.Length - value.Length);
+            return result;
+        }
+    }
+}
@@ -0,0 +1,304 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Numerics;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace CryptoExchange.Net.Authentication.Signing
+{
+    /// <summary>
+    /// EIP712 Typed Data Encoder
+    /// </summary>
+    public static class CeEip712TypedDataEncoder
+    {
+        /// <summary>
+        /// Encode EIP712 typed data according to the specification, with the provided primary type, domain fields and message fields.
+        /// The resulting byte array is the 0x19 0x01 prefix followed by the hash of the domain and the hash of the message, which can be signed with ECDsa secp256k1 to produce a signature that can be verified on chain with EIP712.
+        /// Note that this implementation does not support all possible EIP712 types, but it should cover most common use cases
+        /// </summary>
+        public static byte[] EncodeEip721(
+            string primaryType,
+            IEnumerable<(string Name, string Type, object Value)> domainFields,
+            IEnumerable<(string Name, string Type, object Value)> messageFields)
+        {
+            var data = new CeTypedDataRaw()
+            {
+                PrimaryType = primaryType,
+                DomainRawValues = domainFields.Select(x => new CeMemberValue
+                {
+                    TypeName = x.Type,
+                    Value = x.Value,
+                }).ToArray(),
+
+                Message = messageFields.Select(x => new CeMemberValue
+                {
+                    TypeName = x.Type,
+                    Value = x.Value,
+                }).ToArray(),
+                Types = new Dictionary<string, CeMemberDescription[]>
+                {
+                    {
+                        "EIP712Domain",
+                        domainFields.Select(x => new CeMemberDescription
+                        {
+                            Name = x.Name,
+                            Type = x.Type
+                        }).ToArray()
+                    },
+                    {
+                        primaryType,
+                        messageFields.Select(x => new CeMemberDescription
+                        {
+                            Name = x.Name,
+                            Type = x.Type
+                        }).ToArray()
+                    }
+                }
+            };
+
+            return EncodeTypedDataRaw(data);
+        }
+
+        /// <summary>
+        /// Encode EIP712 typed data according to the specification, with the provided primary type, domain fields and message fields.
+        /// The resulting byte array is the 0x19 0x01 prefix followed by the hash of the domain and the hash of the message, which can be signed with ECDsa secp256k1 to produce a signature that can be verified on chain with EIP712.
+        /// Note that this implementation does not support all possible EIP712 types, but it should cover most common use cases
+        /// </summary>
+        public static byte[] EncodeTypedDataRaw(CeTypedDataRaw typedData)
+        {
+            using var memoryStream = new MemoryStream();
+            using var writer = new BinaryWriter(memoryStream);
+            
+            // Write 0x19 0x01 prefix
+            writer.Write((byte)0x19);
+            writer.Write((byte)0x01);
+
+            // Write domain
+            writer.Write(HashStruct(typedData.Types, "EIP712Domain", typedData.DomainRawValues));
+
+            // Write message
+            writer.Write(HashStruct(typedData.Types, typedData.PrimaryType, typedData.Message));
+
+            writer.Flush();
+            var result = memoryStream.ToArray();
+            return result;
+            
+        }
+
+        private static byte[] HashStruct(IDictionary<string, CeMemberDescription[]> types, string primaryType, IEnumerable<CeMemberValue> message)
+        {
+            var memoryStream = new MemoryStream();
+            var writer = new BinaryWriter(memoryStream);
+            
+            // Encode the type header
+            EncodeType(writer, types, primaryType);
+
+            // Encode the data
+            EncodeData(writer, types, message);
+
+            writer.Flush();
+            return CeSha3Keccack.CalculateHash(memoryStream.ToArray());
+            
+        }
+
+        private static void EncodeData(BinaryWriter writer, IDictionary<string, CeMemberDescription[]> types, IEnumerable<CeMemberValue> memberValues)
+        {
+            foreach (var memberValue in memberValues)
+            {
+                switch (memberValue.TypeName)
+                {
+                    case var refType when IsReferenceType(refType):
+                        writer.Write(HashStruct(types, memberValue.TypeName, (IEnumerable<CeMemberValue>)memberValue.Value));
+                        break;
+
+                    case "string":
+                        writer.Write(CeAbiEncoder.AbiValueEncodeString((string)memberValue.Value));
+                        break;
+
+                    case "bool":
+                        writer.Write(CeAbiEncoder.AbiValueEncodeBool((bool)memberValue.Value));
+                        break;
+
+                    case "address":
+                        writer.Write(CeAbiEncoder.AbiValueEncodeAddress((string)memberValue.Value));
+                        break;
+
+                    default:
+                        if (memberValue.TypeName.Contains("["))
+                        {
+                            var items = (IList)memberValue.Value;
+                            var itemsMemberValues = new List<CeMemberValue>();
+                            foreach (var item in items)
+                            {
+                                itemsMemberValues.Add(new CeMemberValue()
+                                {
+                                    TypeName = memberValue.TypeName.Substring(0, memberValue.TypeName.LastIndexOf("[")),
+                                    Value = item
+                                });
+                            }
+
+                            var memoryStream = new MemoryStream();
+                            var writerItem = new BinaryWriter(memoryStream);
+
+                            EncodeData(writerItem, types, itemsMemberValues);
+                            writerItem.Flush();
+                            writer.Write(CeSha3Keccack.CalculateHash(memoryStream.ToArray()));
+                        }
+                        else if (memberValue.TypeName.StartsWith("int") || memberValue.TypeName.StartsWith("uint"))
+                        {
+                            if (memberValue.Value is string v)
+                            {
+                                if (!BigInteger.TryParse(v, out BigInteger parsedOutput))
+                                    throw new Exception($"Failed to encode BigInteger string {v}");
+
+                                writer.Write(CeAbiEncoder.AbiValueEncodeBigInteger(memberValue.TypeName[0] != 'u', parsedOutput));
+                            }
+                            else if (memberValue.Value is byte b)
+                            {
+                                writer.Write(CeAbiEncoder.AbiValueEncodeInt(b));
+                            }
+                            else if (memberValue.Value is short s)
+                            {
+                                writer.Write(CeAbiEncoder.AbiValueEncodeInt(s));
+                            }
+                            else if (memberValue.Value is int i)
+                            {
+                                writer.Write(CeAbiEncoder.AbiValueEncodeInt(i));
+                            }
+                            else if (memberValue.Value is long l)
+                            {
+                                writer.Write(CeAbiEncoder.AbiValueEncodeInt(l));
+                            }
+                            else if (memberValue.Value is ushort us)
+                            {
+                                writer.Write(CeAbiEncoder.AbiValueEncodeInt(us));
+                            }
+                            else if (memberValue.Value is uint ui)
+                            {
+                                writer.Write(CeAbiEncoder.AbiValueEncodeInt(ui));
+                            }
+                            else if (memberValue.Value is ulong ul)
+                            {
+                                writer.Write(CeAbiEncoder.AbiValueEncodeInt(ul));
+                            }
+                            else
+                            {
+                                throw new Exception("Unknown number value");
+                            }
+                        }
+                        else if (memberValue.TypeName.StartsWith("bytes"))
+                        {
+                            var length = memberValue.TypeName.Length == 5 ? 32 : int.Parse(memberValue.TypeName.Substring(5));
+                            writer.Write(CeAbiEncoder.AbiValueEncodeBytes(length, (byte[])memberValue.Value));
+                        }
+                        break;
+
+                }
+            }
+        }
+
+        private static void EncodeType(BinaryWriter writer, IDictionary<string, CeMemberDescription[]> types, string typeName)
+        {
+            var encodedTypes = EncodeTypes(types, typeName);
+            var encodedPrimaryType = encodedTypes.Single(x => x.Key == typeName);
+            var encodedReferenceTypes = encodedTypes.Where(x => x.Key != typeName).OrderBy(x => x.Key).Select(x => x.Value);
+            var fullyEncodedType = encodedPrimaryType.Value + string.Join(string.Empty, encodedReferenceTypes.ToArray());
+
+            writer.Write(CeSha3Keccack.CalculateHash(Encoding.UTF8.GetBytes(fullyEncodedType)));
+        }
+
+        /// <summary>
+        /// Create a list of type => type(parameters), for example:<br />
+        /// { IP712Domain, EIP712Domain(string name,string version,uint256 chainId,address verifyingContract) }
+        /// </summary>
+        private static IList<KeyValuePair<string, string>> EncodeTypes(IDictionary<string, CeMemberDescription[]> types, string currentTypeName)
+        {
+            var currentTypeMembers = types[currentTypeName];
+            var currentTypeMembersEncoded = currentTypeMembers.Select(x => x.Type + " " + x.Name);
+            var result = new List<KeyValuePair<string, string>>
+            {
+                new KeyValuePair<string, string>(currentTypeName, currentTypeName + "(" + string.Join(",", currentTypeMembersEncoded.ToArray()) + ")")
+            };
+
+            result.AddRange(currentTypeMembers.Select(x => x.Type.Contains("[") ? x.Type.Substring(0, x.Type.IndexOf("[")) : x.Type)
+                                              .Distinct()
+                                              .Where(IsReferenceType)
+                                              .SelectMany(x => EncodeTypes(types, x)));
+            return result;
+        }
+
+        internal static bool IsReferenceType(string typeName)
+        {
+            switch (typeName)
+            {
+                case var bytes when new Regex("bytes\\d+").IsMatch(bytes):
+                case var @uint when new Regex("uint\\d+").IsMatch(@uint):
+                case var @int when new Regex("int\\d+").IsMatch(@int):
+                case "bytes":
+                case "string":
+                case "bool":
+                case "address":
+                case var array when array.Contains("["):
+                    return false;
+                default:
+                    return true;
+            }
+        }
+    }
+
+    /// <summary>
+    /// Member description
+    /// </summary>
+    public class CeMemberDescription
+    {
+        /// <summary>
+        /// Name
+        /// </summary>
+        public string Name { get; set; } = string.Empty;
+        /// <summary>
+        /// Type
+        /// </summary>
+        public string Type { get; set; } = string.Empty;
+    }
+
+    /// <summary>
+    /// Member value
+    /// </summary>
+    public class CeMemberValue
+    {
+        /// <summary>
+        /// Type name
+        /// </summary>
+        public string TypeName { get; set; } = string.Empty;
+        /// <summary>
+        /// Value
+        /// </summary>
+        public object Value { get; set; } = string.Empty;
+    }
+
+    /// <summary>
+    /// Typed data raw, used for encoding EIP712 typed data with the provided primary type, domain fields and message fields.
+    /// </summary>
+    public class CeTypedDataRaw
+    {
+        /// <summary>
+        /// Type dictionary
+        /// </summary>
+        public IDictionary<string, CeMemberDescription[]> Types { get; set; } = new Dictionary<string, CeMemberDescription[]>();
+        /// <summary>
+        /// Primary type
+        /// </summary>
+        public string PrimaryType { get; set; } = string.Empty;
+        /// <summary>
+        /// Message values
+        /// </summary>
+        public CeMemberValue[] Message { get; set; } = [];
+        /// <summary>
+        /// Domain values
+        /// </summary>
+        public CeMemberValue[] DomainRawValues { get; set; } = [];
+    }
+}
@@ -0,0 +1,385 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Text;
+
+namespace CryptoExchange.Net.Authentication.Signing
+{
+    /// <summary>
+    /// Sha3 Keccack hashing, as per Ethereum specification, with 256 bit output
+    /// </summary>
+    public class CeSha3Keccack
+    {
+        /// <summary>
+        /// Calculate the Keccack256 hash of the provided data, as per Ethereum specification
+        /// </summary>
+        public static byte[] CalculateHash(byte[] data)
+        {
+            var digest = new CeKeccakDigest256();
+            var output = new byte[digest.GetDigestSize()];
+            digest.BlockUpdate(data, data.Length);
+            digest.DoFinal(output, 0);
+            return output;
+        }
+    }
+
+    internal class CeKeccakDigest256
+    {
+        private static readonly ulong[] _keccakRoundConstants = KeccakInitializeRoundConstants();
+        private static readonly int[] _keccakRhoOffsets = KeccakInitializeRhoOffsets();
+
+        private readonly int _rate;
+        private const int _stateLength = 1600 / 8;
+        private readonly ulong[] _state = new ulong[_stateLength / 8];
+        private readonly byte[] _dataQueue = new byte[1536 / 8];
+        private int _bitsInQueue;
+        private int _fixedOutputLength;
+        private bool _squeezing;
+        private int _bitsAvailableForSqueezing;
+
+        public CeKeccakDigest256()
+        {
+            _rate = 1600 - (256 << 1);
+            _bitsInQueue = 0;
+            _squeezing = false;
+            _bitsAvailableForSqueezing = 0;
+            _fixedOutputLength = 1600 - _rate >> 1;
+        }
+
+        internal void BlockUpdate(byte[] data, int length)
+        {
+            int bytesInQueue = _bitsInQueue >> 3;
+            int rateBytes = _rate >> 3;
+
+            int count = 0;
+            while (count < length)
+            {
+                if (bytesInQueue == 0 && count <= length - rateBytes)
+                {
+                    do
+                    {
+                        KeccakAbsorb(data, count);
+                        count += rateBytes;
+                    } while (count <= length - rateBytes);
+                }
+                else
+                {
+                    int partialBlock = Math.Min(rateBytes - bytesInQueue, length - count);
+                    Array.Copy(data, count, _dataQueue, bytesInQueue, partialBlock);
+
+                    bytesInQueue += partialBlock;
+                    count += partialBlock;
+
+                    if (bytesInQueue == rateBytes)
+                    {
+                        KeccakAbsorb(_dataQueue, 0);
+                        bytesInQueue = 0;
+                    }
+                }
+            }
+
+            _bitsInQueue = bytesInQueue << 3;
+        }
+
+        internal void DoFinal(byte[] output, int outOff)
+        {
+            Squeeze(output, outOff, _fixedOutputLength >> 3);
+        }
+
+        internal int GetDigestSize() => _fixedOutputLength >> 3;
+
+        protected void Squeeze(byte[] output, int off, int len)
+        {
+            if (!_squeezing)
+                PadAndSwitchToSqueezingPhase();
+
+            long outputLength = (long)len << 3;
+            long i = 0;
+            while (i < outputLength)
+            {
+                if (_bitsAvailableForSqueezing == 0)
+                {
+                    KeccakPermutation();
+                    KeccakExtract();
+                    _bitsAvailableForSqueezing = _rate;
+                }
+
+                int partialBlock = (int)Math.Min(_bitsAvailableForSqueezing, outputLength - i);
+                Array.Copy(_dataQueue, _rate - _bitsAvailableForSqueezing >> 3, output, off + (int)(i >> 3),
+                    partialBlock >> 3);
+                _bitsAvailableForSqueezing -= partialBlock;
+                i += partialBlock;
+            }
+        }
+
+        private static ulong[] KeccakInitializeRoundConstants()
+        {
+            ulong[] keccakRoundConstants = new ulong[24];
+            byte LFSRState = 0x01;
+
+            for (int i = 0; i < 24; i++)
+            {
+                keccakRoundConstants[i] = 0;
+                for (int j = 0; j < 7; j++)
+                {
+                    int bitPosition = (1 << j) - 1;
+
+                    // LFSR86540
+
+                    bool loBit = (LFSRState & 0x01) != 0;
+                    if (loBit)
+                        keccakRoundConstants[i] ^= 1UL << bitPosition;
+
+                    bool hiBit = (LFSRState & 0x80) != 0;
+                    LFSRState <<= 1;
+                    if (hiBit)
+                        LFSRState ^= 0x71;
+                }
+            }
+
+            return keccakRoundConstants;
+        }
+        private static int[] KeccakInitializeRhoOffsets()
+        {
+            int[] keccakRhoOffsets = new int[25];
+            int x, y, t, newX, newY;
+
+            int rhoOffset = 0;
+            keccakRhoOffsets[0] = rhoOffset;
+            x = 1;
+            y = 0;
+            for (t = 1; t < 25; t++)
+            {
+                rhoOffset = rhoOffset + t & 63;
+                keccakRhoOffsets[x % 5 + 5 * (y % 5)] = rhoOffset;
+                newX = (0 * x + 1 * y) % 5;
+                newY = (2 * x + 3 * y) % 5;
+                x = newX;
+                y = newY;
+            }
+
+            return keccakRhoOffsets;
+        }
+
+        private void KeccakAbsorb(byte[] data, int off)
+        {
+            int count = _rate >> 6;
+            for (int i = 0; i < count; ++i)
+            {
+                _state[i] ^= Pack.LeToUInt64(data, off);
+                off += 8;
+            }
+
+            KeccakPermutation();
+        }
+
+        private void KeccakPermutation()
+        {
+            for (int i = 0; i < 24; i++)
+            {
+                Theta(_state);
+                Rho(_state);
+                Pi(_state);
+                Chi(_state);
+                Iota(_state, i);
+            }
+        }
+        private static ulong LeftRotate(ulong v, int r)
+        {
+            return v << r | v >> -r;
+        }
+
+        private static void Theta(ulong[] A)
+        {
+            ulong C0 = A[0 + 0] ^ A[0 + 5] ^ A[0 + 10] ^ A[0 + 15] ^ A[0 + 20];
+            ulong C1 = A[1 + 0] ^ A[1 + 5] ^ A[1 + 10] ^ A[1 + 15] ^ A[1 + 20];
+            ulong C2 = A[2 + 0] ^ A[2 + 5] ^ A[2 + 10] ^ A[2 + 15] ^ A[2 + 20];
+            ulong C3 = A[3 + 0] ^ A[3 + 5] ^ A[3 + 10] ^ A[3 + 15] ^ A[3 + 20];
+            ulong C4 = A[4 + 0] ^ A[4 + 5] ^ A[4 + 10] ^ A[4 + 15] ^ A[4 + 20];
+
+            ulong dX = LeftRotate(C1, 1) ^ C4;
+
+            A[0] ^= dX;
+            A[5] ^= dX;
+            A[10] ^= dX;
+            A[15] ^= dX;
+            A[20] ^= dX;
+
+            dX = LeftRotate(C2, 1) ^ C0;
+
+            A[1] ^= dX;
+            A[6] ^= dX;
+            A[11] ^= dX;
+            A[16] ^= dX;
+            A[21] ^= dX;
+
+            dX = LeftRotate(C3, 1) ^ C1;
+
+            A[2] ^= dX;
+            A[7] ^= dX;
+            A[12] ^= dX;
+            A[17] ^= dX;
+            A[22] ^= dX;
+
+            dX = LeftRotate(C4, 1) ^ C2;
+
+            A[3] ^= dX;
+            A[8] ^= dX;
+            A[13] ^= dX;
+            A[18] ^= dX;
+            A[23] ^= dX;
+
+            dX = LeftRotate(C0, 1) ^ C3;
+
+            A[4] ^= dX;
+            A[9] ^= dX;
+            A[14] ^= dX;
+            A[19] ^= dX;
+            A[24] ^= dX;
+        }
+
+        private static void Rho(ulong[] A)
+        {
+            // KeccakRhoOffsets[0] == 0
+            for (int x = 1; x < 25; x++)
+            {
+                A[x] = LeftRotate(A[x], _keccakRhoOffsets[x]);
+            }
+        }
+
+        private static void Pi(ulong[] A)
+        {
+            ulong a1 = A[1];
+            A[1] = A[6];
+            A[6] = A[9];
+            A[9] = A[22];
+            A[22] = A[14];
+            A[14] = A[20];
+            A[20] = A[2];
+            A[2] = A[12];
+            A[12] = A[13];
+            A[13] = A[19];
+            A[19] = A[23];
+            A[23] = A[15];
+            A[15] = A[4];
+            A[4] = A[24];
+            A[24] = A[21];
+            A[21] = A[8];
+            A[8] = A[16];
+            A[16] = A[5];
+            A[5] = A[3];
+            A[3] = A[18];
+            A[18] = A[17];
+            A[17] = A[11];
+            A[11] = A[7];
+            A[7] = A[10];
+            A[10] = a1;
+        }
+
+        private static void Chi(ulong[] A)
+        {
+            ulong chiC0, chiC1, chiC2, chiC3, chiC4;
+
+            for (int yBy5 = 0; yBy5 < 25; yBy5 += 5)
+            {
+                chiC0 = A[0 + yBy5] ^ ~A[(0 + 1) % 5 + yBy5] & A[(0 + 2) % 5 + yBy5];
+                chiC1 = A[1 + yBy5] ^ ~A[(1 + 1) % 5 + yBy5] & A[(1 + 2) % 5 + yBy5];
+                chiC2 = A[2 + yBy5] ^ ~A[(2 + 1) % 5 + yBy5] & A[(2 + 2) % 5 + yBy5];
+                chiC3 = A[3 + yBy5] ^ ~A[(3 + 1) % 5 + yBy5] & A[(3 + 2) % 5 + yBy5];
+                chiC4 = A[4 + yBy5] ^ ~A[(4 + 1) % 5 + yBy5] & A[(4 + 2) % 5 + yBy5];
+
+                A[0 + yBy5] = chiC0;
+                A[1 + yBy5] = chiC1;
+                A[2 + yBy5] = chiC2;
+                A[3 + yBy5] = chiC3;
+                A[4 + yBy5] = chiC4;
+            }
+        }
+
+        private static void Iota(ulong[] A, int indexRound)
+        {
+            A[0] ^= _keccakRoundConstants[indexRound];
+        }
+
+        private void PadAndSwitchToSqueezingPhase()
+        {
+            Debug.Assert(_bitsInQueue < _rate);
+
+            _dataQueue[_bitsInQueue >> 3] |= (byte)(1U << (_bitsInQueue & 7));
+
+            if (++_bitsInQueue == _rate)
+            {
+                KeccakAbsorb(_dataQueue, 0);
+                _bitsInQueue = 0;
+            }
+
+            {
+                int full = _bitsInQueue >> 6, partial = _bitsInQueue & 63;
+                int off = 0;
+                for (int i = 0; i < full; ++i)
+                {
+                    _state[i] ^= Pack.LeToUInt64(_dataQueue, off);
+                    off += 8;
+                }
+
+                if (partial > 0)
+                {
+                    ulong mask = (1UL << partial) - 1UL;
+                    _state[full] ^= Pack.LeToUInt64(_dataQueue, off) & mask;
+                }
+
+                _state[_rate - 1 >> 6] ^= 1UL << 63;
+            }
+
+            KeccakPermutation();
+            KeccakExtract();
+            _bitsAvailableForSqueezing = _rate;
+
+            _bitsInQueue = 0;
+            _squeezing = true;
+        }
+        private void KeccakExtract()
+        {
+            Pack.UInt64ToLe(_state, 0, _rate >> 6, _dataQueue, 0);
+        }
+
+        static class Pack
+        {
+            internal static ulong LeToUInt64(byte[] bs, int off)
+            {
+                uint lo = LeToUInt32(bs, off);
+                uint hi = LeToUInt32(bs, off + 4);
+                return (ulong)hi << 32 | lo;
+            }
+            internal static uint LeToUInt32(byte[] bs, int off)
+            {
+                return bs[off]
+                       | (uint)bs[off + 1] << 8
+                       | (uint)bs[off + 2] << 16
+                       | (uint)bs[off + 3] << 24;
+            }
+
+            internal static void UInt64ToLe(ulong[] ns, int nsOff, int nsLen, byte[] bs, int bsOff)
+            {
+                for (int i = 0; i < nsLen; ++i)
+                {
+                    UInt64ToLe(ns[nsOff + i], bs, bsOff);
+                    bsOff += 8;
+                }
+            }
+            internal static void UInt64ToLe(ulong n, byte[] bs, int off)
+            {
+                UInt32ToLe((uint)n, bs, off);
+                UInt32ToLe((uint)(n >> 32), bs, off + 4);
+            }
+
+            internal static void UInt32ToLe(uint n, byte[] bs, int off)
+            {
+                bs[off] = (byte)n;
+                bs[off + 1] = (byte)(n >> 8);
+                bs[off + 2] = (byte)(n >> 16);
+                bs[off + 3] = (byte)(n >> 24);
+            }
+        }
+    }
+}
@@ -1,5 +1,4 @@
 using System;
-using CryptoExchange.Net.Authentication;
 using CryptoExchange.Net.Interfaces.Clients;
 using CryptoExchange.Net.Objects.Errors;
 using CryptoExchange.Net.Objects.Options;
@@ -13,7 +12,10 @@ namespace CryptoExchange.Net.Clients
    /// </summary>
    public abstract class BaseApiClient : IDisposable, IBaseApiClient
    {
-        private string? _clientName;
+        /// <summary>
+        /// Client name
+        /// </summary>
+        protected string? _clientName;

        /// <summary>
        /// Logger
@@ -25,6 +27,11 @@ namespace CryptoExchange.Net.Clients
        /// </summary>
        protected bool _disposing;

+        /// <summary>
+        /// Whether a proxy is configured
+        /// </summary>
+        protected bool _proxyConfigured;
+
        /// <summary>
        /// Name of the client
        /// </summary>
@@ -40,11 +47,6 @@ namespace CryptoExchange.Net.Clients
            }
        }

-        /// <summary>
-        /// The authentication provider for this API client. (null if no credentials are set)
-        /// </summary>
-        public AuthenticationProvider? AuthenticationProvider { get; private set; }
-
        /// <summary>
        /// The environment this client communicates to
        /// </summary>
@@ -55,12 +57,6 @@ namespace CryptoExchange.Net.Clients
        /// </summary>
        public bool OutputOriginalData { get; }

-        /// <inheritdoc />
-        public bool Authenticated => ApiCredentials != null;
-
-        /// <inheritdoc />
-        public ApiCredentials? ApiCredentials { get; set; }
-
        /// <summary>
        /// Api options
        /// </summary>
@@ -82,10 +78,14 @@ namespace CryptoExchange.Net.Clients
        /// <param name="logger">Logger</param>
        /// <param name="outputOriginalData">Should data from this client include the original data in the call result</param>
        /// <param name="baseAddress">Base address for this API client</param>
-        /// <param name="apiCredentials">Api credentials</param>
        /// <param name="clientOptions">Client options</param>
        /// <param name="apiOptions">Api options</param>
-        protected BaseApiClient(ILogger logger, bool outputOriginalData, ApiCredentials? apiCredentials, string baseAddress, ExchangeOptions clientOptions, ApiOptions apiOptions)
+        protected BaseApiClient(
+            ILogger logger,
+            bool outputOriginalData,
+            string baseAddress,
+            ExchangeOptions clientOptions,
+            ApiOptions apiOptions)
        {
            _logger = logger;

@@ -93,19 +93,10 @@ namespace CryptoExchange.Net.Clients
            ApiOptions = apiOptions;
            OutputOriginalData = outputOriginalData;
            BaseAddress = baseAddress;
-            ApiCredentials = apiCredentials?.Copy();

-            if (ApiCredentials != null)
-                AuthenticationProvider = CreateAuthenticationProvider(ApiCredentials);
+            _proxyConfigured = ClientOptions.Proxy != null;
        }

-        /// <summary>
-        /// Create an AuthenticationProvider implementation instance based on the provided credentials
-        /// </summary>
-        /// <param name="credentials"></param>
-        /// <returns></returns>
-        protected abstract AuthenticationProvider CreateAuthenticationProvider(ApiCredentials credentials);
-
        /// <inheritdoc />
        public abstract string FormatSymbol(string baseAsset, string quoteAsset, TradingMode tradingMode, DateTime? deliverDate = null);

@@ -119,25 +110,6 @@ namespace CryptoExchange.Net.Clients
        /// </summary>
        public ErrorInfo GetErrorInfo(string code, string? message = null) => ErrorMapping.GetErrorInfo(code.ToString(), message);

-        /// <inheritdoc />
-        public void SetApiCredentials<T>(T credentials) where T : ApiCredentials
-        {
-            ApiCredentials = credentials?.Copy();
-            if (ApiCredentials != null)
-                AuthenticationProvider = CreateAuthenticationProvider(ApiCredentials);
-        }
-
-        /// <inheritdoc />
-        public virtual void SetOptions<T>(UpdateOptions<T> options) where T : ApiCredentials
-        {
-            ClientOptions.Proxy = options.Proxy;
-            ClientOptions.RequestTimeout = options.RequestTimeout ?? ClientOptions.RequestTimeout;
-
-            ApiCredentials = options.ApiCredentials?.Copy() ?? ApiCredentials;
-            if (ApiCredentials != null)
-                AuthenticationProvider = CreateAuthenticationProvider(ApiCredentials);
-        }
-
        /// <summary>
        /// Dispose
        /// </summary>
@@ -39,6 +39,11 @@ namespace CryptoExchange.Net.Clients
        /// </summary>
        public string Exchange { get; }

+        /// <summary>
+        /// Whether client is disposed
+        /// </summary>
+        public bool Disposed { get; private set; }
+
        /// <summary>
        /// Api clients in this client
        /// </summary>
@@ -87,16 +92,6 @@ namespace CryptoExchange.Net.Clients
            _logger.Log(LogLevel.Trace, $"Client configuration: {options}, CryptoExchange.Net: v{CryptoExchangeLibVersion}, {Exchange}.Net: v{ExchangeLibVersion}");
        }

-        /// <summary>
-        /// Set the API credentials for this client. All Api clients in this client will use the new credentials, regardless of earlier set options.
-        /// </summary>
-        /// <param name="credentials">The credentials to set</param>
-        protected virtual void SetApiCredentials<T>(T credentials) where T : ApiCredentials
-        {
-            foreach (var apiClient in ApiClients)
-                apiClient.SetApiCredentials(credentials);
-        }
-
        /// <summary>
        /// Register an API client
        /// </summary>
@@ -125,6 +120,8 @@ namespace CryptoExchange.Net.Clients
        /// </summary>
        public virtual void Dispose()
        {
+            Disposed = true;
+
            foreach (var client in ApiClients)
                client.Dispose();
        }
@@ -1,7 +1,11 @@
-using System.Linq;
+using CryptoExchange.Net.Authentication;
 using CryptoExchange.Net.Interfaces.Clients;
+using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Objects.Options;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Abstractions;
+using System.Collections.Generic;
+using System.Linq;

 namespace CryptoExchange.Net.Clients
 {
@@ -10,6 +14,11 @@ namespace CryptoExchange.Net.Clients
    /// </summary>
    public abstract class BaseRestClient : BaseClient, IRestClient
    {
+        /// <summary>
+        /// Api clients in this client
+        /// </summary>
+        internal new List<RestApiClient> ApiClients => base.ApiClients.OfType<RestApiClient>().ToList();
+
        /// <inheritdoc />
        public int TotalRequestsMade => ApiClients.OfType<RestApiClient>().Sum(s => s.TotalRequestsMade);

@@ -24,5 +33,59 @@ namespace CryptoExchange.Net.Clients

            LibraryHelpers.StaticLogger = loggerFactory?.CreateLogger("CryptoExchange");
        }
+
+        /// <summary>
+        /// Update options
+        /// </summary>
+        public virtual void SetOptions(UpdateOptions options)
+        {
+            foreach (var apiClient in ApiClients)
+                apiClient.SetOptions(options);
+        }
    }
-}
+
+    /// <inheritdoc />
+    public abstract class BaseRestClient<TEnvironment, TApiCredentials> : BaseRestClient, IRestClient<TApiCredentials>
+        where TEnvironment : TradeEnvironment
+        where TApiCredentials : ApiCredentials
+    {
+        /// <summary>
+        /// Api clients in this client
+        /// </summary>
+        internal new List<RestApiClient<TEnvironment, TApiCredentials>> ApiClients => base.ApiClients.OfType<RestApiClient<TEnvironment, TApiCredentials>>().ToList();
+
+        /// <summary>
+        /// Provided client options
+        /// </summary>
+        public new RestExchangeOptions<TEnvironment, TApiCredentials> ClientOptions => (RestExchangeOptions<TEnvironment, TApiCredentials>)base.ClientOptions;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="loggerFactory">Logger factory</param>
+        /// <param name="name">The name of the API this client is for</param>
+        protected BaseRestClient(ILoggerFactory? loggerFactory, string name) : base(loggerFactory, name)
+        {
+        }
+
+        /// <summary>
+        /// Set the API credentials for this client. All Api clients in this client will use the new credentials, regardless of earlier set options.
+        /// </summary>
+        /// <param name="credentials">The credentials to set</param>
+        public void SetApiCredentials(TApiCredentials credentials)
+        {
+            foreach (var apiClient in ApiClients)
+                apiClient.SetApiCredentials(credentials);
+        }
+
+        /// <summary>
+        /// Update options
+        /// </summary>
+        public virtual void SetOptions(UpdateOptions<TApiCredentials> options)
+        {
+            foreach (var apiClient in ApiClients)
+                apiClient.SetOptions(options);
+        }
+
+    }
+}
@@ -1,5 +1,7 @@
-using CryptoExchange.Net.Interfaces.Clients;
+using CryptoExchange.Net.Authentication;
+using CryptoExchange.Net.Interfaces.Clients;
 using CryptoExchange.Net.Logging.Extensions;
+using CryptoExchange.Net.Objects;
 using CryptoExchange.Net.Objects.Options;
 using CryptoExchange.Net.Objects.Sockets;
 using Microsoft.Extensions.Logging;
@@ -19,6 +21,11 @@ namespace CryptoExchange.Net.Clients
    {
        #region fields

+        /// <summary>
+        /// Api clients in this client
+        /// </summary>
+        internal new List<SocketApiClient> ApiClients => base.ApiClients.OfType<SocketApiClient>().ToList();
+
        /// <summary>
        /// If client is disposing
        /// </summary>
@@ -133,5 +140,58 @@ namespace CryptoExchange.Net.Clients

            return result;
        }
+
+        /// <summary>
+        /// Update options
+        /// </summary>
+        public virtual void SetOptions(UpdateOptions options)
+        {
+            foreach (var apiClient in ApiClients)
+                apiClient.SetOptions(options);
+        }
+    }
+
+    /// <inheritdoc />
+    public abstract class BaseSocketClient<TEnvironment, TApiCredentials> : BaseSocketClient, ISocketClient<TApiCredentials>
+        where TEnvironment : TradeEnvironment
+        where TApiCredentials : ApiCredentials
+    {
+        /// <summary>
+        /// Api clients in this client
+        /// </summary>
+        internal new List<SocketApiClient<TEnvironment, TApiCredentials>> ApiClients => base.ApiClients.OfType<SocketApiClient<TEnvironment, TApiCredentials>>().ToList();
+
+        /// <summary>
+        /// Provided client options
+        /// </summary>
+        public new SocketExchangeOptions<TEnvironment, TApiCredentials> ClientOptions => (SocketExchangeOptions<TEnvironment, TApiCredentials>)base.ClientOptions;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="loggerFactory">Logger factory</param>
+        /// <param name="name">The name of the API this client is for</param>
+        protected BaseSocketClient(ILoggerFactory? loggerFactory, string name) : base(loggerFactory, name)
+        {
+        }
+
+        /// <summary>
+        /// Set the API credentials for this client. All Api clients in this client will use the new credentials, regardless of earlier set options.
+        /// </summary>
+        /// <param name="credentials">The credentials to set</param>
+        public virtual void SetApiCredentials(TApiCredentials credentials)
+        {
+            foreach (var apiClient in ApiClients)
+                apiClient.SetApiCredentials(credentials);
+        }
+
+        /// <summary>
+        /// Update options
+        /// </summary>
+        public virtual void SetOptions(UpdateOptions<TApiCredentials> options)
+        {
+            foreach (var apiClient in ApiClients)
+                apiClient.SetOptions(options);
+        }
    }
 }
@@ -1,67 +0,0 @@
-using Microsoft.Extensions.DependencyInjection;
-using System;
-using System.Collections.Generic;
-
-namespace CryptoExchange.Net.Clients
-{
-    /// <summary>
-    /// Base crypto client
-    /// </summary>
-    public class CryptoBaseClient : IDisposable
-    {
-        private readonly Dictionary<Type, object> _serviceCache = new Dictionary<Type, object>();
-
-        /// <summary>
-        /// Service provider
-        /// </summary>
-        protected readonly IServiceProvider? _serviceProvider;
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public CryptoBaseClient() { }
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        /// <param name="serviceProvider"></param>
-        public CryptoBaseClient(IServiceProvider serviceProvider)
-        {
-            _serviceProvider = serviceProvider;
-            _serviceCache = new Dictionary<Type, object>();
-        }
-
-        /// <summary>
-        /// Try get a client by type for the service collection
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <returns></returns>
-        public T TryGet<T>(Func<T> createFunc)
-        {
-            var type = typeof(T);
-            if (_serviceCache.TryGetValue(type, out var value))
-                return (T)value;
-
-            if (_serviceProvider == null)
-            {
-                // Create with default options
-                var createResult = createFunc();
-                _serviceCache.Add(typeof(T), createResult!);
-                return createResult;
-            }
-
-            var result = _serviceProvider.GetService<T>() 
-                ?? throw new InvalidOperationException($"No service was found for {typeof(T).Name}, make sure the exchange is registered in dependency injection with the `services.Add[Exchange]()` method");
-            _serviceCache.Add(type, result!);
-            return result;
-        }
-
-        /// <summary>
-        /// Dispose
-        /// </summary>
-        public void Dispose()
-        {
-            _serviceCache.Clear();
-        }
-    }
-}
@@ -1,24 +0,0 @@
-using CryptoExchange.Net.Interfaces.Clients;
-using System;
-
-namespace CryptoExchange.Net.Clients
-{
-    /// <inheritdoc />
-    public class CryptoRestClient : CryptoBaseClient, ICryptoRestClient
-    {
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public CryptoRestClient()
-        {
-        }
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        /// <param name="serviceProvider"></param>
-        public CryptoRestClient(IServiceProvider serviceProvider) : base(serviceProvider)
-        {
-        }
-    }
-}
@@ -1,24 +0,0 @@
-using CryptoExchange.Net.Interfaces.Clients;
-using System;
-
-namespace CryptoExchange.Net.Clients
-{
-    /// <inheritdoc />
-    public class CryptoSocketClient : CryptoBaseClient, ICryptoSocketClient
-    {
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public CryptoSocketClient()
-        {
-        }
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        /// <param name="serviceProvider"></param>
-        public CryptoSocketClient(IServiceProvider serviceProvider) : base(serviceProvider)
-        {
-        }
-    }
-}
@@ -1,3 +1,4 @@
+using CryptoExchange.Net.Authentication;
 using CryptoExchange.Net.Caching;
 using CryptoExchange.Net.Converters.MessageParsing.DynamicConverters;
 using CryptoExchange.Net.Interfaces;
@@ -77,6 +78,16 @@ namespace CryptoExchange.Net.Clients
            { new HttpMethod("Patch"), HttpMethodParameterPosition.InBody },
        };

+        /// <summary>
+        /// Encoding/charset for the ContentType header
+        /// </summary>
+        protected Encoding? RequestBodyContentEncoding { get; set; } = Encoding.UTF8;
+
+        /// <summary>
+        /// Whether to omit the ContentType header if there is no content
+        /// </summary>
+        protected bool OmitContentTypeHeaderWithoutContent { get; set; } = false;
+
        /// <inheritdoc />
        public new RestExchangeOptions ClientOptions => (RestExchangeOptions)base.ClientOptions;

@@ -92,7 +103,17 @@ namespace CryptoExchange.Net.Clients
        /// The message handler
        /// </summary>
        protected abstract IRestMessageHandler MessageHandler { get; }
+
+        /// <summary>
+        /// Get the AuthenticationProvider implementation, or null if no ApiCredentials are set
+        /// </summary>
+        public virtual AuthenticationProvider? GetAuthenticationProvider() => null;
        
+        /// <summary>
+        /// Configured environment name
+        /// </summary>
+        public abstract string EnvironmentName { get; }
+
        /// <summary>
        /// ctor
        /// </summary>
@@ -101,10 +122,13 @@ namespace CryptoExchange.Net.Clients
        /// <param name="baseAddress">Base address for this API client</param>
        /// <param name="options">The base client options</param>
        /// <param name="apiOptions">The Api client options</param>
-        public RestApiClient(ILogger logger, HttpClient? httpClient, string baseAddress, RestExchangeOptions options, RestApiOptions apiOptions)
+        public RestApiClient(ILogger logger,
+            HttpClient? httpClient,
+            string baseAddress,
+            RestExchangeOptions options,
+            RestApiOptions apiOptions)
            : base(logger,
                  apiOptions.OutputOriginalData ?? options.OutputOriginalData,
-                  apiOptions.ApiCredentials ?? options.ApiCredentials,
                  baseAddress,
                  options,
                  apiOptions)
@@ -114,12 +138,6 @@ namespace CryptoExchange.Net.Clients
            RequestFactory.Configure(options, httpClient);
        }

-        /// <summary>
-        /// Create a message accessor instance
-        /// </summary>
-        /// <returns></returns>
-        protected abstract IStreamMessageAccessor CreateAccessor();
-
        /// <summary>
        /// Create a serializer instance
        /// </summary>
@@ -210,7 +228,7 @@ namespace CryptoExchange.Net.Clients
            string? rateLimitKeySuffix = null)
        {
            var requestId = ExchangeHelpers.NextId();
-            if (definition.Authenticated && AuthenticationProvider == null)
+            if (definition.Authenticated && GetAuthenticationProvider() == null)
            {
                _logger.RestApiNoApiCredentials(requestId, definition.Path);
                return new WebCallResult<T>(new NoApiCredentialsError());
@@ -315,7 +333,17 @@ namespace CryptoExchange.Net.Clients

                if (ClientOptions.RateLimiterEnabled)
                {
-                    var limitResult = await definition.RateLimitGate.ProcessAsync(_logger, requestId, RateLimitItemType.Request, definition, host, AuthenticationProvider?._credentials.Key, requestWeight, ClientOptions.RateLimitingBehaviour, rateLimitKeySuffix, cancellationToken).ConfigureAwait(false);
+                    var limitResult = await definition.RateLimitGate.ProcessAsync(
+                        _logger,
+                        requestId,
+                        RateLimitItemType.Request,
+                        definition,
+                        host,
+                        GetAuthenticationProvider()?.Key,
+                        requestWeight, 
+                        ClientOptions.RateLimitingBehaviour,
+                        rateLimitKeySuffix,
+                        cancellationToken).ConfigureAwait(false);
                    if (!limitResult)
                        return limitResult.Error!;
                }
@@ -330,7 +358,18 @@ namespace CryptoExchange.Net.Clients
                if (ClientOptions.RateLimiterEnabled)
                {
                    var singleRequestWeight = weightSingleLimiter ?? 1;
-                    var limitResult = await definition.RateLimitGate.ProcessSingleAsync(_logger, requestId, definition.LimitGuard, RateLimitItemType.Request, definition, host, AuthenticationProvider?._credentials.Key, singleRequestWeight, ClientOptions.RateLimitingBehaviour, rateLimitKeySuffix, cancellationToken).ConfigureAwait(false);
+                    var limitResult = await definition.RateLimitGate.ProcessSingleAsync(
+                        _logger,
+                        requestId, 
+                        definition.LimitGuard,
+                        RateLimitItemType.Request,
+                        definition,
+                        host, 
+                        GetAuthenticationProvider()?.Key,
+                        singleRequestWeight,
+                        ClientOptions.RateLimitingBehaviour,
+                        rateLimitKeySuffix,
+                        cancellationToken).ConfigureAwait(false);
                    if (!limitResult)
                        return limitResult.Error!;
                }
@@ -369,7 +408,7 @@ namespace CryptoExchange.Net.Clients

            try
            {
-                AuthenticationProvider?.ProcessRequest(this, requestConfiguration);
+                GetAuthenticationProvider()?.ProcessRequest(this, requestConfiguration);
            }
            catch (Exception ex)
            {
@@ -380,7 +419,11 @@ namespace CryptoExchange.Net.Clients
            if (!string.IsNullOrEmpty(queryString) && !queryString.StartsWith("?"))
                queryString = $"?{queryString}";

-            var uri = new Uri(baseAddress.AppendPath(definition.Path) + queryString);
+            var path = baseAddress.AppendPath(definition.Path);
+            if (definition.ForcePathEndWithSlash == true && !path.EndsWith("/"))
+                path += "/";
+
+            var uri = new Uri(path + queryString);
            var request = RequestFactory.Create(ClientOptions.HttpVersion, definition.Method, uri, requestId);
            request.Accept = MessageHandler.AcceptHeader;

@@ -404,14 +447,14 @@ namespace CryptoExchange.Net.Clients
                var bodyContent = requestConfiguration.GetBodyContent();
                if (bodyContent != null)
                {
-                    request.SetContent(bodyContent, contentType);
+                    request.SetContent(bodyContent, RequestBodyContentEncoding, contentType);
                }
                else
                {
                    if (requestConfiguration.BodyParameters != null && requestConfiguration.BodyParameters.Count != 0)
                        WriteParamBody(request, requestConfiguration.BodyParameters, contentType);
-                    else
-                        request.SetContent(RequestBodyEmptyContent, contentType);
+                    else if (OmitContentTypeHeaderWithoutContent != true)
+                        request.SetContent(RequestBodyEmptyContent, RequestBodyContentEncoding, contentType);                    
                }
            }

@@ -443,23 +486,19 @@ namespace CryptoExchange.Net.Clients
                responseStream = await response.GetResponseStreamAsync(cancellationToken).ConfigureAwait(false);
                string? originalData = null;
                var outputOriginalData = ApiOptions.OutputOriginalData ?? ClientOptions.OutputOriginalData;
-                if (outputOriginalData || MessageHandler.RequiresSeekableStream)
+                if (outputOriginalData || MessageHandler.RequiresSeekableStream || !response.IsSuccessStatusCode)
                {
-                    // If we want to return the original string data from the stream, but still want to process it
-                    // we'll need to copy it as the stream isn't seekable, and thus we can only read it once
-                    var memoryStream = new MemoryStream();
-                    await responseStream.CopyToAsync(memoryStream).ConfigureAwait(false);
-                    using var reader = new StreamReader(memoryStream, Encoding.UTF8, false, 4096, true);
-                    if (outputOriginalData) 
+                    // Create a seekable stream from the response stream if:
+                    // 1. We need to output the original data
+                    // 2. The message handler requires a seekable stream
+                    // 3. The response indicates error and we want to output (part of) the returned data
+                    responseStream = await CopyStreamAsync(responseStream).ConfigureAwait(false);
+                    using var reader = new StreamReader(responseStream, Encoding.UTF8, false, 4096, true);
+                    if (outputOriginalData)
                    {
-                        memoryStream.Position = 0;
                        originalData = await reader.ReadToEndAsync().ConfigureAwait(false);
+                        responseStream.Position = 0;
                    }
-
-                    // Continue processing from the memory stream since the response stream is already read and we can't seek it
-                    responseStream.Close();
-                    memoryStream.Position = 0;
-                    responseStream = memoryStream;
                }

                if (!response.IsSuccessStatusCode && !requestDefinition.TryParseOnNonSuccess)
@@ -485,13 +524,12 @@ namespace CryptoExchange.Net.Clients
                    else
                    {
                        // Handle a 'normal' error response. Can still be either a json error message or some random HTML or other string
-
                        try
                        {
                            error = await MessageHandler.ParseErrorResponse(
-                            (int)response.StatusCode,
-                            response.ResponseHeaders,
-                            responseStream).ConfigureAwait(false);
+                                (int)response.StatusCode,
+                                response.ResponseHeaders,
+                                responseStream).ConfigureAwait(false);
                        }
                        catch (Exception ex)
                        {
@@ -657,13 +695,13 @@ namespace CryptoExchange.Net.Clients
                    stringData = stringSerializer.Serialize(value);
                else
                    stringData = stringSerializer.Serialize(parameters);
-                request.SetContent(stringData, contentType);
+                request.SetContent(stringData, RequestBodyContentEncoding, contentType);
            }
            else if (contentType == Constants.FormContentHeader)
            {
                // Write the parameters as form data in the body
                var stringData = parameters.ToFormData();
-                request.SetContent(stringData, contentType);
+                request.SetContent(stringData, RequestBodyContentEncoding, contentType);
            }
        }

@@ -686,14 +724,6 @@ namespace CryptoExchange.Net.Clients
        /// <returns>Server time</returns>
        protected virtual Task<WebCallResult<DateTime>> GetServerTimestampAsync() => throw new NotImplementedException();

-        /// <inheritdoc />
-        public override void SetOptions<T>(UpdateOptions<T> options)
-        {
-            base.SetOptions(options);
-
-            RequestFactory.UpdateSettings(options.Proxy, options.RequestTimeout ?? ClientOptions.RequestTimeout, ClientOptions.HttpKeepAliveInterval);
-        }
-
        private async ValueTask CheckTimeSync(int requestId, RequestDefinition definition)
        {
            if (!definition.Authenticated)
@@ -727,7 +757,16 @@ namespace CryptoExchange.Net.Clients
                    return;

                var localTime = DateTime.UtcNow;
-                var result = await GetServerTimestampAsync().ConfigureAwait(false);
+                WebCallResult<DateTime> result;
+                try
+                {
+                    result = await GetServerTimestampAsync().ConfigureAwait(false);
+                }
+                catch (NotImplementedException)
+                {
+                    throw new ArgumentException("AutoTimestamp is not available for this API");
+                }
+
                if (!result)
                {
                    _logger.LogWarning("Failed to determine time offset between client and server, timestamping might fail");
@@ -766,10 +805,184 @@ namespace CryptoExchange.Net.Clients
            }
        }

+        private async Task<Stream> CopyStreamAsync(Stream responseStream)
+        {
+            var memoryStream = new MemoryStream();
+            await responseStream.CopyToAsync(memoryStream).ConfigureAwait(false);
+            responseStream.Close();
+            memoryStream.Position = 0;
+            return memoryStream;
+        }
+
        private bool ShouldCache(RequestDefinition definition)
            => ClientOptions.CachingEnabled
            && definition.Method == HttpMethod.Get
            && !definition.PreventCaching;

+
+        /// <inheritdoc />
+        public virtual void SetOptions(UpdateOptions options)
+        {
+            _proxyConfigured = options.Proxy != null;
+            ClientOptions.Proxy = options.Proxy;
+            ClientOptions.RequestTimeout = options.RequestTimeout ?? ClientOptions.RequestTimeout;
+
+            RequestFactory.UpdateSettings(options.Proxy, options.RequestTimeout ?? ClientOptions.RequestTimeout, ClientOptions.HttpKeepAliveInterval);
+        }
+    }
+
+    /// <inheritdoc />
+    public abstract class RestApiClient<TEnvironment> : RestApiClient, IRestApiClient
+        where TEnvironment : TradeEnvironment
+    {
+        /// <inheritdoc />
+        public new RestExchangeOptions<TEnvironment> ClientOptions => (RestExchangeOptions<TEnvironment>)base.ClientOptions;
+
+        /// <inheritdoc />
+        public override string EnvironmentName => ClientOptions.Environment.Name;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        protected RestApiClient(
+            ILogger logger,
+            HttpClient? httpClient,
+            string baseAddress,
+            RestExchangeOptions options,
+            RestApiOptions apiOptions) : base(
+                logger,
+                httpClient,
+                baseAddress,
+                options,
+                apiOptions)
+        {
+        }
+    }
+
+    /// <inheritdoc />
+    public abstract class RestApiClient<TEnvironment, TApiCredentials> : RestApiClient<TEnvironment>, IRestApiClient<TApiCredentials>
+        where TApiCredentials : ApiCredentials
+        where TEnvironment : TradeEnvironment
+    {
+        /// <inheritdoc />
+        public TApiCredentials? ApiCredentials { get; set; }
+
+        /// <inheritdoc />
+        public bool Authenticated => ApiCredentials != null;
+
+        /// <inheritdoc />
+        public new RestExchangeOptions<TEnvironment, TApiCredentials> ClientOptions => (RestExchangeOptions<TEnvironment, TApiCredentials>)base.ClientOptions;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        protected RestApiClient(
+            ILogger logger,
+            HttpClient? httpClient,
+            string baseAddress,
+            RestExchangeOptions<TEnvironment, TApiCredentials> options,
+            RestApiOptions apiOptions) : base(
+                logger,
+                httpClient,
+                baseAddress,
+                options,
+                apiOptions)
+        {
+            ApiCredentials =  options.ApiCredentials;
+        }
+
+        /// <inheritdoc />
+        public virtual void SetApiCredentials(TApiCredentials credentials)
+        {
+            ApiCredentials = (TApiCredentials)credentials.Copy();
+        }
+
+        /// <inheritdoc />
+        public virtual void SetOptions(UpdateOptions<TApiCredentials> options)
+        {
+            base.SetOptions(options);
+
+            ApiCredentials = (TApiCredentials?)options.ApiCredentials?.Copy() ?? ApiCredentials;
+        }
+    }
+
+    /// <inheritdoc />
+    public abstract class RestApiClient<TEnvironment, TAuthenticationProvider, TApiCredentials> : RestApiClient<TEnvironment, TApiCredentials>
+        where TApiCredentials : ApiCredentials
+        where TAuthenticationProvider : AuthenticationProvider<TApiCredentials>
+        where TEnvironment : TradeEnvironment
+    {
+
+        private bool _authProviderInitialized = false;
+        private TAuthenticationProvider? _authenticationProvider;
+        /// <summary>
+        /// The authentication provider for this API client. (null if no credentials are set)
+        /// </summary>
+        public TAuthenticationProvider? AuthenticationProvider
+        {
+            get
+            {
+                if (!_authProviderInitialized)
+                {
+                    if (ApiCredentials != null)
+                        _authenticationProvider = CreateAuthenticationProvider(ApiCredentials);
+
+                    _authProviderInitialized = true;
+                }
+
+                return _authenticationProvider;
+            }
+            internal set => _authenticationProvider = value;
+        }
+
+        /// <inheritdoc />
+        public override AuthenticationProvider? GetAuthenticationProvider() => AuthenticationProvider;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        protected RestApiClient(
+            ILogger logger, 
+            HttpClient? httpClient,
+            string baseAddress,
+            RestExchangeOptions<TEnvironment, TApiCredentials> options, 
+            RestApiOptions apiOptions) : base(
+                logger, 
+                httpClient,
+                baseAddress,
+                options, 
+                apiOptions)
+        {
+        }
+
+        /// <summary>
+        /// Create an AuthenticationProvider implementation instance based on the provided credentials
+        /// </summary>
+        /// <param name="credentials"></param>
+        /// <returns></returns>
+        protected abstract TAuthenticationProvider CreateAuthenticationProvider(TApiCredentials credentials);
+
+        /// <inheritdoc />
+        public override void SetApiCredentials(TApiCredentials credentials)
+        {
+            base.SetApiCredentials(credentials);
+
+            AuthenticationProvider = null;
+            _authProviderInitialized = false;
+            ApiCredentials = credentials;
+        }
+
+        /// <inheritdoc />
+        public override void SetOptions(UpdateOptions<TApiCredentials> options)
+        {
+            base.SetOptions(options);
+
+            if (options.ApiCredentials != null)
+            {
+                AuthenticationProvider = null;
+                _authProviderInitialized = false;
+                ApiCredentials = options.ApiCredentials;
+            }
+        }
    }
 }
@@ -1,3 +1,4 @@
+using CryptoExchange.Net.Authentication;
 using CryptoExchange.Net.Converters.MessageParsing.DynamicConverters;
 using CryptoExchange.Net.Interfaces;
 using CryptoExchange.Net.Interfaces.Clients;
@@ -19,6 +20,7 @@ using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Linq;
+using System.Net.Http;
 using System.Net.WebSockets;
 using System.Text;
 using System.Threading;
@@ -99,11 +101,6 @@ namespace CryptoExchange.Net.Clients
        /// </summary>
        protected bool AllowTopicsOnTheSameConnection { get; set; } = true;

-        /// <summary>
-        /// Whether to continue processing and forward unparsable messages to handlers
-        /// </summary>
-        protected internal bool ProcessUnparsableMessages { get; set; } = false;
-
        /// <inheritdoc />
        public double IncomingKbps
        {
@@ -146,6 +143,16 @@ namespace CryptoExchange.Net.Clients
        /// Whether or not to enforce that sequence number updates are always (lastSequenceNumber + 1)
        /// </summary>
        public bool EnforceSequenceNumbers { get; set; }
+
+        /// <summary>
+        /// Get the AuthenticationProvider implementation, or null if no ApiCredentials are set
+        /// </summary>
+        public virtual AuthenticationProvider? GetAuthenticationProvider() => null;
+
+        /// <summary>
+        /// Configured environment name
+        /// </summary>
+        public abstract string EnvironmentName { get; }
        #endregion

        /// <summary>
@@ -155,22 +162,19 @@ namespace CryptoExchange.Net.Clients
        /// <param name="options">Client options</param>
        /// <param name="baseAddress">Base address for this API client</param>
        /// <param name="apiOptions">The Api client options</param>
-        public SocketApiClient(ILogger logger, string baseAddress, SocketExchangeOptions options, SocketApiOptions apiOptions)
+        public SocketApiClient(
+            ILogger logger, 
+            string baseAddress, 
+            SocketExchangeOptions options,
+            SocketApiOptions apiOptions)
            : base(logger,
                  apiOptions.OutputOriginalData ?? options.OutputOriginalData,
-                  apiOptions.ApiCredentials ?? options.ApiCredentials,
                  baseAddress,
                  options,
                  apiOptions)
        {
        }

-        /// <summary>
-        /// Create a message accessor instance
-        /// </summary>
-        /// <returns></returns>
-        protected internal abstract IByteMessageAccessor CreateAccessor(WebSocketMessageType messageType);
-
        /// <summary>
        /// Create a serializer instance
        /// </summary>
@@ -246,7 +250,7 @@ namespace CryptoExchange.Net.Clients
            if (_disposing)
                return new CallResult<UpdateSubscription>(new InvalidOperationError("Client disposed, can't subscribe"));

-            if (subscription.Authenticated && AuthenticationProvider == null)
+            if (subscription.Authenticated && GetAuthenticationProvider() == null)
            {
                _logger.LogWarning("Failed to subscribe, private subscription but no API credentials set");
                return new CallResult<UpdateSubscription>(new NoApiCredentialsError());
@@ -315,52 +319,9 @@ namespace CryptoExchange.Net.Clients
                return new CallResult<UpdateSubscription>(new ServerError(new ErrorInfo(ErrorType.WebsocketPaused, "Socket is paused")));
            }

-            void HandleSubscriptionComplete(bool success, object? response)
-            {
-                if (!success)
-                    return;
-
-                subscription.HandleSubQueryResponse(socketConnection, response);
-                subscription.Status = SubscriptionStatus.Subscribed;
-                if (ct != default)
-                {
-                    subscription.CancellationTokenRegistration = ct.Register(async () =>
-                    {
-                        _logger.CancellationTokenSetClosingSubscription(socketConnection.SocketId, subscription.Id);
-                        await socketConnection.CloseAsync(subscription).ConfigureAwait(false);
-                    }, false);
-                }
-            }
-
-            subscription.Status = SubscriptionStatus.Subscribing;
-            var subQuery = subscription.CreateSubscriptionQuery(socketConnection);
-            if (subQuery != null)
-            {
-                subQuery.OnComplete = () => HandleSubscriptionComplete(subQuery.Result?.Success ?? false, subQuery.Response);
-
-                // Send the request and wait for answer
-                var subResult = await socketConnection.SendAndWaitQueryAsync(subQuery, ct).ConfigureAwait(false);
-                if (!subResult)
-                {
-                    var isTimeout = subResult.Error is CancellationRequestedError;
-                    if (isTimeout && subscription.Status == SubscriptionStatus.Subscribed)
-                    {
-                        // No response received, but the subscription did receive updates. We'll assume success
-                    }
-                    else
-                    {
-                        _logger.FailedToSubscribe(socketConnection.SocketId, subResult.Error?.ToString());
-                        // If this was a server process error we still might need to send an unsubscribe to prevent messages coming in later
-                        subscription.Status = SubscriptionStatus.Pending;
-                        await socketConnection.CloseAsync(subscription).ConfigureAwait(false);
-                        return new CallResult<UpdateSubscription>(subResult.Error!);
-                    }
-                }
-            }
-            else 
-            {
-                HandleSubscriptionComplete(true, null);
-            }
+            var subscribeResult = await socketConnection.TrySubscribeAsync(subscription, true, ct).ConfigureAwait(false);
+            if (!subscribeResult)
+                return new CallResult<UpdateSubscription>(subscribeResult.Error!);

            _logger.SubscriptionCompletedSuccessfully(socketConnection.SocketId, subscription.Id);
            return new CallResult<UpdateSubscription>(new UpdateSubscription(socketConnection, subscription));
@@ -569,7 +530,7 @@ namespace CryptoExchange.Net.Clients
        /// <returns></returns>
        public virtual async Task<CallResult> AuthenticateSocketAsync(SocketConnection socket)
        {
-            if (AuthenticationProvider == null)
+            if (GetAuthenticationProvider() == null)
                return new CallResult(new NoApiCredentialsError());

            _logger.AttemptingToAuthenticate(socket.SocketId);
@@ -600,7 +561,7 @@ namespace CryptoExchange.Net.Clients
        /// </summary>
        /// <returns></returns>
        protected internal virtual Task<Query?> GetAuthenticationRequestAsync(SocketConnection connection) => 
-            Task.FromResult(AuthenticationProvider!.GetAuthenticationQuery(this, connection));
+            Task.FromResult(GetAuthenticationProvider()!.GetAuthenticationQuery(this, connection));

        /// <summary>
        /// Adds a system subscription. Used for example to reply to ping requests
@@ -751,7 +712,6 @@ namespace CryptoExchange.Net.Clients

            // Create new socket connection
            var socketConnection = new SocketConnection(_logger, SocketFactory, GetWebSocketParameters(connectionAddress.Data!), this, address);
-            socketConnection.UnhandledMessage += HandleUnhandledMessage;
            socketConnection.ConnectRateLimitedAsync += HandleConnectRateLimitedAsync;
            if (dedicatedRequestConnection)
            {
@@ -802,14 +762,6 @@ namespace CryptoExchange.Net.Clients
            return new CallResult<HighPerfSocketConnection<TUpdateType>>(socketConnection);
        }

-        /// <summary>
-        /// Process an unhandled message
-        /// </summary>
-        /// <param name="message">The message that wasn't processed</param>
-        protected virtual void HandleUnhandledMessage(IMessageAccessor message)
-        {
-        }
-
        /// <summary>
        /// Process an unhandled message
        /// </summary>
@@ -870,7 +822,6 @@ namespace CryptoExchange.Net.Clients
                Proxy = ClientOptions.Proxy,
                Timeout = ApiOptions.SocketNoDataTimeout ?? ClientOptions.SocketNoDataTimeout,
                ReceiveBufferSize = ClientOptions.ReceiveBufferSize,
-                UseUpdatedDeserialization = ClientOptions.UseUpdatedDeserialization
            };

        /// <summary>
@@ -976,25 +927,6 @@ namespace CryptoExchange.Net.Clients
            return CallResult.SuccessResult;
        }

-        /// <inheritdoc />
-        public override void SetOptions<T>(UpdateOptions<T> options)
-        {
-            var previousProxyIsSet = ClientOptions.Proxy != null;
-            base.SetOptions(options);
-
-            if ((!previousProxyIsSet && options.Proxy == null)
-                || _socketConnections.IsEmpty)
-            {
-                return;
-            }
-
-            _logger.LogInformation("Reconnecting websockets to apply proxy");
-
-            // Update proxy, also triggers reconnect
-            foreach (var connection in _socketConnections)
-                _ = connection.Value.UpdateProxy(options.Proxy);
-        }
-
        /// <summary>
        /// Log the current state of connections and subscriptions
        /// </summary>
@@ -1063,7 +995,6 @@ namespace CryptoExchange.Net.Clients
                            sb.AppendLine($"\t\t\tId: {subState.Id}");
                            sb.AppendLine($"\t\t\tStatus: {subState.Status}");
                            sb.AppendLine($"\t\t\tInvocations: {subState.Invocations}");
-                            sb.AppendLine($"\t\t\tIdentifiers: [{subState.ListenMatcher.ToString()}]");
                        });
                    }
                });
@@ -1094,26 +1025,184 @@ namespace CryptoExchange.Net.Clients
            base.Dispose();
        }

-        /// <summary>
-        /// Get the listener identifier for the message
-        /// </summary>
-        /// <param name="messageAccessor"></param>
-        /// <returns></returns>
-        public abstract string? GetListenerIdentifier(IMessageAccessor messageAccessor);
-
        /// <summary>
        /// Preprocess a stream message
        /// </summary>
        public virtual ReadOnlySpan<byte> PreprocessStreamMessage(SocketConnection connection, WebSocketMessageType type, ReadOnlySpan<byte> data) => data;
-        /// <summary>
-        /// Preprocess a stream message
-        /// </summary>
-        public virtual ReadOnlyMemory<byte> PreprocessStreamMessage(SocketConnection connection, WebSocketMessageType type, ReadOnlyMemory<byte> data) => data;

        /// <summary>
        /// Create a new message converter instance
        /// </summary>
        /// <returns></returns>
        public abstract ISocketMessageHandler CreateMessageConverter(WebSocketMessageType messageType);
+
+        /// <inheritdoc />
+        public virtual void SetOptions(UpdateOptions options)
+        {
+            var previousProxyIsSet = _proxyConfigured;
+
+            ClientOptions.Proxy = options.Proxy;
+            ClientOptions.RequestTimeout = options.RequestTimeout ?? ClientOptions.RequestTimeout;
+
+            _proxyConfigured = options.Proxy != null;
+            if ((!previousProxyIsSet && options.Proxy == null)
+                || _socketConnections.IsEmpty)
+            {
+                return;
+            }
+
+            _logger.LogInformation("Reconnecting websockets to apply proxy");
+
+            // Update proxy, also triggers reconnect
+            foreach (var connection in _socketConnections)
+                _ = connection.Value.UpdateProxy(options.Proxy);
+        }
+    }
+
+    /// <inheritdoc />
+    public abstract class SocketApiClient<TEnvironment> : SocketApiClient, ISocketApiClient
+       where TEnvironment : TradeEnvironment
+    {
+        /// <inheritdoc />
+        public new SocketExchangeOptions<TEnvironment> ClientOptions => (SocketExchangeOptions<TEnvironment>)base.ClientOptions;
+
+        /// <inheritdoc />
+        public override string EnvironmentName => ClientOptions.Environment.Name;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        protected SocketApiClient(
+            ILogger logger,
+            string baseAddress,
+            SocketExchangeOptions<TEnvironment> options,
+            SocketApiOptions apiOptions) : base(
+                logger,
+                baseAddress,
+                options,
+                apiOptions)
+        {
+        }
+    }
+
+    /// <inheritdoc />
+    public abstract class SocketApiClient<TEnvironment, TApiCredentials> : SocketApiClient<TEnvironment>, ISocketApiClient<TApiCredentials>
+        where TApiCredentials : ApiCredentials
+        where TEnvironment : TradeEnvironment
+    {
+        /// <inheritdoc />
+        public TApiCredentials? ApiCredentials { get; set; }
+
+        /// <inheritdoc />
+        public bool Authenticated => ApiCredentials != null;
+
+        /// <inheritdoc />
+        public new SocketExchangeOptions<TEnvironment, TApiCredentials> ClientOptions => (SocketExchangeOptions<TEnvironment, TApiCredentials>)base.ClientOptions;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        protected SocketApiClient(
+            ILogger logger,
+            string baseAddress,
+            SocketExchangeOptions<TEnvironment, TApiCredentials> options,
+            SocketApiOptions apiOptions) : base(
+                logger,
+                baseAddress,
+                options,
+                apiOptions)
+        {
+            ApiCredentials = options.ApiCredentials;
+        }
+
+        /// <inheritdoc />
+        public virtual void SetApiCredentials(TApiCredentials credentials)
+        {
+            ApiCredentials = (TApiCredentials)credentials.Copy();
+        }
+
+        /// <inheritdoc />
+        public virtual void SetOptions(UpdateOptions<TApiCredentials> options)
+        {
+            base.SetOptions(options);
+        }
+    }
+
+    /// <inheritdoc />
+    public abstract class SocketApiClient<TEnvironment, TAuthenticationProvider, TApiCredentials> : SocketApiClient<TEnvironment, TApiCredentials>
+        where TAuthenticationProvider : AuthenticationProvider<TApiCredentials>
+        where TApiCredentials : ApiCredentials
+        where TEnvironment : TradeEnvironment
+    {
+
+        private bool _authProviderInitialized = false;
+        private TAuthenticationProvider? _authenticationProvider;
+        /// <summary>
+        /// The authentication provider for this API client. (null if no credentials are set)
+        /// </summary>
+        public TAuthenticationProvider? AuthenticationProvider
+        {
+            get
+            {
+                if (!_authProviderInitialized)
+                {
+                    if (ApiCredentials != null)
+                        _authenticationProvider = CreateAuthenticationProvider(ApiCredentials);
+
+                    _authProviderInitialized = true;
+                }
+
+                return _authenticationProvider;
+            }
+            internal set => _authenticationProvider = value;
+        }
+
+        /// <inheritdoc />
+        public override AuthenticationProvider? GetAuthenticationProvider() => AuthenticationProvider;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        protected SocketApiClient(
+            ILogger logger,
+            string baseAddress,
+            SocketExchangeOptions<TEnvironment, TApiCredentials> options,
+            SocketApiOptions apiOptions) : base(
+                logger,
+                baseAddress,
+                options,
+                apiOptions)
+        {
+        }
+
+        /// <summary>
+        /// Create an AuthenticationProvider implementation instance based on the provided credentials
+        /// </summary>
+        /// <param name="credentials"></param>
+        /// <returns></returns>
+        protected abstract TAuthenticationProvider CreateAuthenticationProvider(TApiCredentials credentials);
+
+        /// <inheritdoc />
+        public override void SetApiCredentials(TApiCredentials credentials)
+        {
+            AuthenticationProvider = null;
+            _authProviderInitialized = false;
+            ApiCredentials = credentials;
+
+            base.SetApiCredentials(credentials);
+        }
+
+        /// <inheritdoc />
+        public override void SetOptions(UpdateOptions<TApiCredentials> options)
+        {
+            if (options.ApiCredentials != null)
+            {
+                AuthenticationProvider = null;
+                _authProviderInitialized = false;
+                ApiCredentials = options.ApiCredentials;
+            }
+
+            base.SetOptions(options);
+        }
    }
 }
@@ -1,49 +0,0 @@
-namespace CryptoExchange.Net.Converters.MessageParsing
-{
-    /// <summary>
-    /// Node accessor
-    /// </summary>
-    public readonly struct NodeAccessor
-    {
-        /// <summary>
-        /// Index
-        /// </summary>
-        public int? Index { get; }
-        /// <summary>
-        /// Property name
-        /// </summary>
-        public string? Property { get; }
-
-        /// <summary>
-        /// Type (0 = int, 1 = string, 2 = prop name)
-        /// </summary>
-        public int Type { get; }
-
-        private NodeAccessor(int? index, string? property, int type)
-        {
-            Index = index;
-            Property = property;
-            Type = type;
-        }
-
-        /// <summary>
-        /// Create an int node accessor
-        /// </summary>
-        /// <param name="value"></param>
-        /// <returns></returns>
-        public static NodeAccessor Int(int value) { return new NodeAccessor(value, null, 0); }
-
-        /// <summary>
-        /// Create a string node accessor
-        /// </summary>
-        /// <param name="value"></param>
-        /// <returns></returns>
-        public static NodeAccessor String(string value) { return new NodeAccessor(null, value, 1); }
-
-        /// <summary>
-        /// Create a property name node accessor
-        /// </summary>
-        /// <returns></returns>
-        public static NodeAccessor PropertyName() { return new NodeAccessor(null, null, 2); }
-    }
-}
@@ -1,50 +0,0 @@
-using System.Collections;
-using System.Collections.Generic;
-
-namespace CryptoExchange.Net.Converters.MessageParsing
-{
-    /// <summary>
-    /// Message access definition
-    /// </summary>
-    public readonly struct MessagePath : IEnumerable<NodeAccessor>
-    {
-        private readonly List<NodeAccessor> _path;
-
-        internal void Add(NodeAccessor node)
-        {
-            _path.Add(node);
-        }
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public MessagePath()
-        {
-            _path = new List<NodeAccessor>();
-        }
-
-        /// <summary>
-        /// Create a new message path
-        /// </summary>
-        /// <returns></returns>
-        public static MessagePath Get()
-        {
-            return new MessagePath();
-        }
-
-        /// <summary>
-        /// IEnumerable implementation
-        /// </summary>
-        /// <returns></returns>
-        public IEnumerator<NodeAccessor> GetEnumerator()
-        {
-            for (var i = 0; i < _path.Count; i++)
-                yield return _path[i];
-        }
-
-        IEnumerator IEnumerable.GetEnumerator()
-        {
-            return GetEnumerator();
-        }
-    }
-}
@@ -1,43 +0,0 @@
-namespace CryptoExchange.Net.Converters.MessageParsing
-{
-    /// <summary>
-    /// Message path extension methods
-    /// </summary>
-    public static class MessagePathExtension
-    {
-        /// <summary>
-        /// Add a string node accessor
-        /// </summary>
-        /// <param name="path"></param>
-        /// <param name="propName"></param>
-        /// <returns></returns>
-        public static MessagePath Property(this MessagePath path, string propName)
-        {
-            path.Add(NodeAccessor.String(propName));
-            return path;
-        }
-
-        /// <summary>
-        /// Add a property name node accessor
-        /// </summary>
-        /// <param name="path"></param>
-        /// <returns></returns>
-        public static MessagePath PropertyName(this MessagePath path)
-        {
-            path.Add(NodeAccessor.PropertyName());
-            return path;
-        }
-
-        /// <summary>
-        /// Add a int node accessor
-        /// </summary>
-        /// <param name="path"></param>
-        /// <param name="index"></param>
-        /// <returns></returns>
-        public static MessagePath Index(this MessagePath path, int index)
-        {
-            path.Add(NodeAccessor.Int(index));
-            return path;
-        }
-    }
-}
@@ -1,21 +0,0 @@
-namespace CryptoExchange.Net.Converters.MessageParsing
-{
-    /// <summary>
-    /// Message node type
-    /// </summary>
-    public enum NodeType
-    {
-        /// <summary>
-        /// Array node
-        /// </summary>
-        Array,
-        /// <summary>
-        /// Object node
-        /// </summary>
-        Object,
-        /// <summary>
-        /// Value node
-        /// </summary>
-        Value
-    }
-}
@@ -0,0 +1,30 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace CryptoExchange.Net.Converters.SystemTextJson
+{
+    /// <summary>
+    /// Converter for comma separated string values
+    /// </summary>
+    public class CommaSplitStringConverter : JsonConverter<string[]>
+    {
+        /// <inheritdoc />
+        public override string[]? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            var str = reader.GetString();
+            if (string.IsNullOrEmpty(str))
+                return [];
+
+            return str!.Split(',').ToArray() ?? [];
+        }
+
+        /// <inheritdoc />
+        public override void Write(Utf8JsonWriter writer, string[] value, JsonSerializerOptions options)
+        {
+            writer.WriteStringValue(string.Join(",", value));
+        }
+    }
+}
@@ -88,6 +88,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
 #endif
        private NullableEnumConverter? _nullableEnumConverter = null;

+        private static T? _undefinedEnumValue;
        private static ConcurrentBag<string> _unknownValuesWarned = new ConcurrentBag<string>();

        internal class NullableEnumConverter : JsonConverter<T?>
@@ -119,26 +120,39 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
        /// <inheritdoc />
        public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
        {
-            var t = ReadNullable(ref reader, typeToConvert, options, out var isEmptyString);
-            if (t == null)
-            {
-                if (isEmptyString && !_unknownValuesWarned.Contains(null))
-                {
-                    // We received an empty string and have no mapping for it, and the property isn't nullable
-                    LibraryHelpers.StaticLogger?.LogWarning($"Received null or empty enum value, but property type is not a nullable enum. EnumType: {typeof(T).FullName}. If you think {typeof(T).FullName} should be nullable please open an issue on the Github repo");
-                }
-
-                return new T(); // return default value
-            }
-            else
-            {
+            var t = ReadNullable(ref reader, typeToConvert, options, out var isEmptyStringOrNull);
+            if (t != null)
                return t.Value;
+            
+            if (isEmptyStringOrNull && !_unknownValuesWarned.Contains(null))
+            {
+                // We received an empty string and have no mapping for it, and the property isn't nullable
+                _unknownValuesWarned.Add(null!);
+                LibraryHelpers.StaticLogger?.LogWarning($"Received null or empty enum value, but property type is not a nullable enum. EnumType: {typeof(T).FullName}. If you think {typeof(T).FullName} should be nullable please open an issue on the Github repo");
            }
+
+            return GetUndefinedEnumValue();
        }

-        private T? ReadNullable(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options, out bool isEmptyString)
+        private T GetUndefinedEnumValue()
        {
-            isEmptyString = false;
+            if (_undefinedEnumValue != null)
+                return _undefinedEnumValue.Value;
+
+            var type = typeof(T);
+            if (!Enum.IsDefined(type, -9))
+                _undefinedEnumValue = (T)Enum.ToObject(type, -9);
+            else if (!Enum.IsDefined(type, -99))
+                _undefinedEnumValue = (T)Enum.ToObject(type, -99);
+            else
+                _undefinedEnumValue = (T)Enum.ToObject(type, -999);
+
+            return (T)_undefinedEnumValue;
+        }
+
+        private T? ReadNullable(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options, out bool isEmptyStringOrNull)
+        {
+            isEmptyStringOrNull = false;
            var enumType = typeof(T);
            if (_mappingToEnum == null)
                CreateMapping();
@@ -154,13 +168,16 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
            };

            if (stringValue is null)
+            {
+                isEmptyStringOrNull = true;
                return null;
+            }

            if (!GetValue(enumType, stringValue, out var result))
            {
                if (string.IsNullOrWhiteSpace(stringValue))
                {
-                    isEmptyString = true;
+                    isEmptyStringOrNull = true;
                }
                else
                {
@@ -168,7 +185,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
                    if (!_unknownValuesWarned.Contains(stringValue))
                    {
                        _unknownValuesWarned.Add(stringValue!);
-                        LibraryHelpers.StaticLogger?.LogWarning($"Cannot map enum value. EnumType: {enumType.FullName}, Value: {stringValue}, Known values: {string.Join(", ", _mappingToEnum!.Select(m => m.Value))}. If you think {stringValue} should added please open an issue on the Github repo");
+                        LibraryHelpers.StaticLogger?.LogWarning($"Cannot map enum value. EnumType: {enumType.FullName}, Value: {stringValue}, Known values: [{string.Join(", ", _mappingToEnum!.Select(m => $"{m.StringValue}: {m.Value}"))}]. If you think {stringValue} should added please open an issue on the Github repo");
                    }
                }

@@ -246,6 +263,12 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
            {
                // If no explicit mapping is found try to parse string
                result = (T)Enum.Parse(objectType, value, true);
+                if (!Enum.IsDefined(objectType, result))
+                {
+                    result = default;
+                    return false;
+                }
+
                return true;
            }
            catch (Exception)
@@ -286,6 +309,12 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
 #endif
        }

+        internal static void Reset()
+        {
+            _undefinedEnumValue = null;
+            _unknownValuesWarned = new ConcurrentBag<string>();
+        }
+
        /// <summary>
        /// Get the string value for an enum value using the MapAttribute mapping. When multiple values are mapped for a enum entry the first value will be returned
        /// </summary>
@@ -18,6 +18,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson.MessageHandlers
    public abstract class JsonRestMessageHandler : IRestMessageHandler
    {
        private static MediaTypeWithQualityHeaderValue _acceptJsonContent = new MediaTypeWithQualityHeaderValue(Constants.JsonContentHeader);
+        private const int _errorResponseSnippetLimit = 128;

        /// <summary>
        /// Empty rate limit error
@@ -80,7 +81,20 @@ namespace CryptoExchange.Net.Converters.SystemTextJson.MessageHandlers
            }
            catch (Exception ex)
            {
-                return (new ServerError(new ErrorInfo(ErrorType.DeserializationFailed, false, "Deserialization failed, invalid JSON"), ex), null);
+                var errorMsg = "Deserialization failed, invalid JSON";
+                if (stream.CanSeek)
+                {
+                    var dataSnippet = new char[_errorResponseSnippetLimit];
+                    stream.Seek(0, SeekOrigin.Begin);
+                    var written = new StreamReader(stream).ReadBlock(dataSnippet, 0, _errorResponseSnippetLimit);
+                    var data = new string(dataSnippet, 0, written);
+                    errorMsg += $": {data}";
+                    if (data.Length == _errorResponseSnippetLimit)
+                        errorMsg += " (truncated)";
+                }
+
+                var error = new DeserializeError(errorMsg, ex);
+                return (error, null);
            }
        }

@@ -165,6 +165,14 @@ namespace CryptoExchange.Net.Converters.SystemTextJson.MessageHandlers
            return null;
        }

+        /// <summary>
+        /// Return type identifier for non-json messages
+        /// </summary>
+        protected virtual string? GetTypeIdentifierNonJson(ReadOnlySpan<byte> data, WebSocketMessageType? webSocketMessageType)
+        {
+            return null;
+        }
+
        /// <inheritdoc />
        public virtual string? GetTypeIdentifier(ReadOnlySpan<byte> data, WebSocketMessageType? webSocketMessageType)
        {
@@ -173,6 +181,12 @@ namespace CryptoExchange.Net.Converters.SystemTextJson.MessageHandlers
            int? arrayIndex = null;

            _searchResult.Clear();
+            if (data[0] != 0x5B && data[0] != 0x7B)
+            {
+                // Message doesn't start with `{` or `[`, not valid for processing as json
+                return GetTypeIdentifierNonJson(data, webSocketMessageType);
+            }
+
            var reader = new Utf8JsonReader(data);
            while (reader.Read())
            {
@@ -13,7 +13,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
        public override T? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
        {
            if (reader.TokenType != JsonTokenType.StartArray)
-                throw new Exception("");
+                throw new Exception("Invalid JSON structure");

            reader.Read(); // Start array
            var baseQuantity = reader.TokenType == JsonTokenType.Null ? (decimal?)null : reader.GetDecimal();
@@ -24,7 +24,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
            reader.Read();

            if (reader.TokenType != JsonTokenType.EndArray)
-                throw new Exception("");
+                throw new Exception("Invalid JSON structure");

            reader.Read(); // End array

@@ -10,7 +10,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
        public override SharedSymbol? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
        {
            if (reader.TokenType != JsonTokenType.StartArray)
-                throw new Exception("");
+                throw new Exception("Invalid JSON structure");

            reader.Read(); // Start array
            var tradingMode = (TradingMode)Enum.Parse(typeof(TradingMode), reader.GetString()!);
@@ -24,7 +24,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
            reader.Read();

            if (reader.TokenType != JsonTokenType.EndArray)
-                throw new Exception("");
+                throw new Exception("Invalid JSON structure");

            reader.Read(); // End array

@@ -1,373 +0,0 @@
-using CryptoExchange.Net.Converters.MessageParsing;
-using CryptoExchange.Net.Interfaces;
-using CryptoExchange.Net.Objects;
-using System;
-using System.Diagnostics.CodeAnalysis;
-using System.IO;
-using System.Text;
-using System.Text.Json;
-using System.Threading.Tasks;
-
-namespace CryptoExchange.Net.Converters.SystemTextJson
-{
-    /// <summary>
-    /// System.Text.Json message accessor
-    /// </summary>
-    public abstract class SystemTextJsonMessageAccessor : IMessageAccessor
-    {
-        /// <summary>
-        /// The JsonDocument loaded
-        /// </summary>
-        protected JsonDocument? _document;
-
-        private readonly JsonSerializerOptions? _customSerializerOptions;
-
-        /// <inheritdoc />
-        public bool IsValid { get; set; }
-
-        /// <inheritdoc />
-        public abstract bool OriginalDataAvailable { get; }
-
-        /// <inheritdoc />
-        public object? Underlying => throw new NotImplementedException();
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public SystemTextJsonMessageAccessor(JsonSerializerOptions options)
-        {
-            _customSerializerOptions = options;
-        }
-
-        /// <inheritdoc />
-#if NET5_0_OR_GREATER
-        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-#endif
-        public CallResult<object> Deserialize(Type type, MessagePath? path = null)
-        {
-            if (!IsValid)
-                return new CallResult<object>(GetOriginalString());
-
-            if (_document == null)
-                throw new InvalidOperationException("No json document loaded");
-
-            try
-            {
-                var result = _document.Deserialize(type, _customSerializerOptions);
-                return new CallResult<object>(result!);
-            }
-            catch (JsonException ex)
-            {
-                var info = $"Json deserialization failed: {ex.Message}, Path: {ex.Path}, LineNumber: {ex.LineNumber}, LinePosition: {ex.BytePositionInLine}";
-                return new CallResult<object>(new DeserializeError(info, ex));
-            }
-            catch (Exception ex)
-            {
-                return new CallResult<object>(new DeserializeError($"Json deserialization failed: {ex.Message}", ex));
-            }
-        }
-
-        /// <inheritdoc />
-#if NET5_0_OR_GREATER
-        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-#endif
-        public CallResult<T> Deserialize<T>(MessagePath? path = null)
-        {
-            if (_document == null)
-                throw new InvalidOperationException("No json document loaded");
-
-            try
-            {
-                var result = _document.Deserialize<T>(_customSerializerOptions);
-                return new CallResult<T>(result!);
-            }
-            catch (JsonException ex)
-            {
-                var info = $"Json deserialization failed: {ex.Message}, Path: {ex.Path}, LineNumber: {ex.LineNumber}, LinePosition: {ex.BytePositionInLine}";
-                return new CallResult<T>(new DeserializeError(info, ex));
-            }
-            catch (Exception ex)
-            {
-                return new CallResult<T>(new DeserializeError($"Json deserialization failed: {ex.Message}", ex));
-            }
-        }
-
-        /// <inheritdoc />
-        public NodeType? GetNodeType()
-        {
-            if (!IsValid)
-                throw new InvalidOperationException("Can't access json data on non-json message");
-
-            if (_document == null)
-                throw new InvalidOperationException("No json document loaded");
-
-            return _document.RootElement.ValueKind switch
-            {
-                JsonValueKind.Object => NodeType.Object,
-                JsonValueKind.Array => NodeType.Array,
-                _ => NodeType.Value
-            };
-        }
-
-        /// <inheritdoc />
-        public NodeType? GetNodeType(MessagePath path)
-        {
-            if (!IsValid)
-                throw new InvalidOperationException("Can't access json data on non-json message");
-
-            var node = GetPathNode(path);
-            if (!node.HasValue)
-                return null;
-
-            return node.Value.ValueKind switch
-            {
-                JsonValueKind.Object => NodeType.Object,
-                JsonValueKind.Array => NodeType.Array,
-                _ => NodeType.Value
-            };
-        }
-
-        /// <inheritdoc />
-#if NET5_0_OR_GREATER
-        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-#endif
-        public T? GetValue<T>(MessagePath path)
-        {
-            if (!IsValid)
-                throw new InvalidOperationException("Can't access json data on non-json message");
-
-            var value = GetPathNode(path);
-            if (value == null)
-                return default;
-
-            if (value.Value.ValueKind == JsonValueKind.Object || value.Value.ValueKind == JsonValueKind.Array)
-            {
-                try
-                {
-                    return value.Value.Deserialize<T>(_customSerializerOptions);
-                }
-                catch { }
-
-                return default;
-            }
-
-            if (typeof(T) == typeof(string))
-            {
-                if (value.Value.ValueKind == JsonValueKind.Number)
-                    return (T)(object)value.Value.GetInt64().ToString();
-            }
-
-            return value.Value.Deserialize<T>(_customSerializerOptions);
-        }
-
-        /// <inheritdoc />
-#if NET5_0_OR_GREATER
-        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-#endif
-        public T?[]? GetValues<T>(MessagePath path)
-        {
-            if (!IsValid)
-                throw new InvalidOperationException("Can't access json data on non-json message");
-
-            var value = GetPathNode(path);
-            if (value == null)
-                return default;
-
-            if (value.Value.ValueKind != JsonValueKind.Array)
-                return default;
-
-            return value.Value.Deserialize<T[]>(_customSerializerOptions)!;
-        }
-
-        private JsonElement? GetPathNode(MessagePath path)
-        {
-            if (!IsValid)
-                throw new InvalidOperationException("Can't access json data on non-json message");
-
-            if (_document == null)
-                throw new InvalidOperationException("No json document loaded");
-
-            JsonElement? currentToken = _document.RootElement;
-            foreach (var node in path)
-            {
-                if (node.Type == 0)
-                {
-                    // Int value
-                    var val = node.Index!.Value;
-                    if (currentToken!.Value.ValueKind != JsonValueKind.Array || currentToken.Value.GetArrayLength() <= val)
-                        return null;
-
-                    currentToken = currentToken.Value[val];
-                }
-                else if (node.Type == 1)
-                {
-                    // String value
-                    if (currentToken!.Value.ValueKind != JsonValueKind.Object)
-                        return null;
-
-                    if (!currentToken.Value.TryGetProperty(node.Property!, out var token))
-                        return null;
-                    currentToken = token;
-                }
-                else
-                {
-                    // Property name
-                    if (currentToken!.Value.ValueKind != JsonValueKind.Object)
-                        return null;
-
-                    throw new NotImplementedException();
-                }
-
-                if (currentToken == null)
-                    return null;
-            }
-
-            return currentToken;
-        }
-
-        /// <inheritdoc />
-        public abstract string GetOriginalString();
-
-        /// <inheritdoc />
-        public abstract void Clear();
-    }
-
-    /// <summary>
-    /// System.Text.Json stream message accessor
-    /// </summary>
-    public class SystemTextJsonStreamMessageAccessor : SystemTextJsonMessageAccessor, IStreamMessageAccessor
-    {
-        private Stream? _stream;
-
-        /// <inheritdoc />
-        public override bool OriginalDataAvailable => _stream?.CanSeek == true;
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public SystemTextJsonStreamMessageAccessor(JsonSerializerOptions options): base(options)
-        {
-        }
-
-        /// <inheritdoc />
-        public async Task<CallResult> Read(Stream stream, bool bufferStream)
-        {
-            if (bufferStream && stream is not MemoryStream)
-            {
-                // We need to be buffer the stream, and it's not currently a seekable stream, so copy it to a new memory stream
-                _stream = new MemoryStream();
-                stream.CopyTo(_stream);
-                _stream.Position = 0;
-            }
-            else if (bufferStream)
-            {
-                // We need to buffer the stream, and the current stream is seekable, store as is
-                _stream = stream;
-            }
-            else
-            {
-                // We don't need to buffer the stream, so don't bother keeping the reference
-            }
-
-            try
-            {
-                _document = await JsonDocument.ParseAsync(_stream ?? stream).ConfigureAwait(false);
-                IsValid = true;
-                return CallResult.SuccessResult;
-            }
-            catch (Exception ex)
-            {
-                // Not a json message
-                IsValid = false;
-                return new CallResult(new DeserializeError($"Json deserialization failed: {ex.Message}", ex));
-            }
-        }
-
-        /// <inheritdoc />
-        public override string GetOriginalString()
-        {
-            if (_stream is null)
-                throw new NullReferenceException("Stream not initialized");
-
-            _stream.Position = 0;
-            using var textReader = new StreamReader(_stream, Encoding.UTF8, false, 1024, true);
-            return textReader.ReadToEnd();
-        }
-
-        /// <inheritdoc />
-        public override void Clear()
-        {
-            _stream?.Dispose();
-            _stream = null;
-            _document?.Dispose();
-            _document = null;
-        }
-
-    }
-
-    /// <summary>
-    /// System.Text.Json byte message accessor
-    /// </summary>
-    public class SystemTextJsonByteMessageAccessor : SystemTextJsonMessageAccessor, IByteMessageAccessor
-    {
-        private ReadOnlyMemory<byte> _bytes;
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public SystemTextJsonByteMessageAccessor(JsonSerializerOptions options) : base(options)
-        {
-        }
-
-        /// <inheritdoc />
-        public CallResult Read(ReadOnlyMemory<byte> data)
-        {
-            _bytes = data;
-
-            try
-            {
-                var firstByte = data.Span[0];
-                if (firstByte != 0x7b && firstByte != 0x5b)
-                {
-                    // Value doesn't start with `{` or `[`, prevent deserialization attempt as it's slow
-                    IsValid = false;
-                    return new CallResult(new DeserializeError("Not a json value"));
-                }
-
-                _document = JsonDocument.Parse(data);
-                IsValid = true;
-                return CallResult.SuccessResult;
-            }
-            catch (Exception ex)
-            {
-                // Not a json message
-                IsValid = false;
-                return new CallResult(new DeserializeError($"Json deserialization failed: {ex.Message}", ex));
-            }
-        }
-
-        /// <inheritdoc />
-        public override string GetOriginalString() =>
-            // NetStandard 2.0 doesn't support GetString from a ReadonlySpan<byte>, so use ToArray there instead
-#if NETSTANDARD2_0
-            Encoding.UTF8.GetString(_bytes.ToArray());
-#else
-            Encoding.UTF8.GetString(_bytes.Span);
-#endif
-
-        /// <inheritdoc />
-        public override bool OriginalDataAvailable => true;
-
-        /// <inheritdoc />
-        public override void Clear()
-        {
-            _bytes = null;
-            _document?.Dispose();
-            _document = null;
-        }
-    }
-}
@@ -6,9 +6,9 @@
    <PackageId>CryptoExchange.Net</PackageId>
    <Authors>JKorf</Authors>
    <Description>CryptoExchange.Net is a base library which is used to implement different cryptocurrency (exchange) API's. It provides a standardized way of implementing different API's, which results in a very similar experience for users of the API implementations.</Description>
-    <PackageVersion>10.2.3</PackageVersion>
-    <AssemblyVersion>10.2.3</AssemblyVersion>
-    <FileVersion>10.2.3</FileVersion>
+    <PackageVersion>11.0.3</PackageVersion>
+    <AssemblyVersion>11.0.3</AssemblyVersion>
+    <FileVersion>11.0.3</FileVersion>
    <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
    <PackageTags>OKX;OKX.Net;Mexc;Mexc.Net;Kucoin;Kucoin.Net;Kraken;Kraken.Net;Huobi;Huobi.Net;CoinEx;CoinEx.Net;Bybit;Bybit.Net;Bitget;Bitget.Net;Bitfinex;Bitfinex.Net;Binance;Binance.Net;CryptoCurrency;CryptoCurrency Exchange;CryptoExchange.Net</PackageTags>
    <RepositoryType>git</RepositoryType>
@@ -4,6 +4,7 @@ using CryptoExchange.Net.SharedApis;
 using System;
 using System.Collections.Generic;
 using System.Globalization;
+using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Security.Cryptography;
 using System.Threading;
@@ -310,11 +311,11 @@ namespace CryptoExchange.Net
        /// <param name="request">The request parameters</param>
        /// <param name="ct">Cancellation token</param>
        /// <returns></returns>
-        public static async IAsyncEnumerable<ExchangeWebResult<T[]>> ExecutePages<T, U>(Func<U, INextPageToken?, CancellationToken, Task<ExchangeWebResult<T[]>>> paginatedFunc, U request, [EnumeratorCancellation]CancellationToken ct = default)
+        public static async IAsyncEnumerable<ExchangeWebResult<T[]>> ExecutePages<T, U>(Func<U, PageRequest?, CancellationToken, Task<ExchangeWebResult<T[]>>> paginatedFunc, U request, [EnumeratorCancellation]CancellationToken ct = default)
        {
            var result = new List<T>();
            ExchangeWebResult<T[]> batch;
-            INextPageToken? nextPageToken = null;
+            PageRequest? nextPageToken = null;
            while (true)
            {
                batch = await paginatedFunc(request, nextPageToken, ct).ConfigureAwait(false);
@@ -323,12 +324,42 @@ namespace CryptoExchange.Net
                    break;

                result.AddRange(batch.Data);
-                nextPageToken = batch.NextPageToken;
+                nextPageToken = batch.NextPageRequest;
                if (nextPageToken == null)
                    break;
            }
        }

+        /// <summary>
+        /// Apply filters to the data set
+        /// </summary>
+        /// <typeparam name="T">Type</typeparam>
+        /// <param name="data">Data set</param>
+        /// <param name="timeSelector">Time selector for the data</param>
+        /// <param name="startTime">Start time filter</param>
+        /// <param name="endTime">End time filter</param>
+        /// <param name="direction">Data direction</param>
+        public static IEnumerable<T> ApplyFilter<T>(
+            IEnumerable<T> data,
+            Func<T, DateTime> timeSelector,
+            DateTime? startTime,
+            DateTime? endTime,
+            DataDirection direction)
+        {
+            if (direction == DataDirection.Ascending)
+                data = data.OrderBy(timeSelector);
+            else
+                data = data.OrderByDescending(timeSelector);
+
+            if (startTime != null)
+                data = data.Where(x => timeSelector(x) >= startTime.Value);
+
+            if (endTime != null)
+                data = data.Where(x => timeSelector(x) < endTime.Value);
+
+            return data;
+        }
+
        /// <summary>
        /// Apply the rules (price and quantity step size and decimals precision, min/max quantity) from the symbol to the quantity and price
        /// </summary>
@@ -500,5 +531,50 @@ namespace CryptoExchange.Net
            // Unknown decimal format, return null
            return null;
        }
+
+        /// <summary>
+        /// Convert byte array to hex string
+        /// </summary>
+        /// <param name="buff"></param>
+        /// <returns></returns>
+        public static string BytesToHexString(byte[] buff)
+            => BytesToHexString(new ArraySegment<byte>(buff));
+
+        /// <summary>
+        /// Convert byte array to hex string
+        /// </summary>
+        /// <param name="buff"></param>
+        /// <returns></returns>
+        public static string BytesToHexString(ArraySegment<byte> buff)
+        {
+#if NET9_0_OR_GREATER
+            return Convert.ToHexString(buff);
+#else
+            var result = string.Empty;
+            foreach (var t in buff)
+                result += t.ToString("X2");
+            return result;
+#endif
+        }
+
+        /// <summary>
+        /// Convert a hex encoded string to byte array
+        /// </summary>
+        /// <param name="hexString"></param>
+        /// <returns></returns>
+        public static byte[] HexToBytesString(string hexString)
+        {
+            if (hexString.StartsWith("0x"))
+                hexString = hexString.Substring(2);
+
+            byte[] bytes = new byte[hexString.Length / 2];
+            for (int i = 0; i < hexString.Length; i += 2)
+            {
+                string hexSubstring = hexString.Substring(i, 2);
+                bytes[i / 2] = Convert.ToByte(hexSubstring, 16);
+            }
+
+            return bytes;
+        }
    }
 }
@@ -32,6 +32,66 @@ namespace CryptoExchange.Net
            _symbolInfos[topicId] = new ExchangeInfo(DateTime.UtcNow, updateData.ToDictionary(x => x.Name, x => x.SharedSymbol));
        }

+        /// <summary>
+        /// Whether the specific topic has been cached
+        /// </summary>
+        /// <param name="topicId">Id</param>
+        public static bool HasCached(string topicId)
+        {
+            if (!_symbolInfos.TryGetValue(topicId, out var exchangeInfo))
+                return false;
+
+            return exchangeInfo.Symbols.Count > 0;
+        }
+
+        /// <summary>
+        /// Whether a specific exchange(topic) support the provided symbol
+        /// </summary>
+        /// <param name="topicId">Id for the provided data</param>
+        /// <param name="symbolName">The symbol name</param>
+        public static bool SupportsSymbol(string topicId, string symbolName)
+        {
+            if (!_symbolInfos.TryGetValue(topicId, out var exchangeInfo))
+                return false;
+
+            if (!exchangeInfo.Symbols.TryGetValue(symbolName, out var symbolInfo))
+                return false;
+
+            return true;
+        }
+
+        /// <summary>
+        /// Whether a specific exchange(topic) support the provided symbol
+        /// </summary>
+        /// <param name="topicId">Id for the provided data</param>
+        /// <param name="symbol">The symbol info</param>
+        public static bool SupportsSymbol(string topicId, SharedSymbol symbol)
+        {
+            if (!_symbolInfos.TryGetValue(topicId, out var exchangeInfo))
+                return false;
+
+            return exchangeInfo.Symbols.Any(x => 
+                x.Value.TradingMode == symbol.TradingMode 
+                && x.Value.BaseAsset == symbol.BaseAsset 
+                && x.Value.QuoteAsset == symbol.QuoteAsset);
+        }
+
+        /// <summary>
+        /// Get all symbols for a specific base asset
+        /// </summary>
+        /// <param name="topicId">Id for the provided data</param>
+        /// <param name="baseAsset">Base asset name</param>
+        public static SharedSymbol[] GetSymbolsForBaseAsset(string topicId, string baseAsset)
+        {
+            if (!_symbolInfos.TryGetValue(topicId, out var exchangeInfo))
+                return [];
+
+            return exchangeInfo.Symbols
+                .Where(x => x.Value.BaseAsset.Equals(baseAsset, StringComparison.InvariantCultureIgnoreCase))
+                .Select(x => x.Value)
+                .ToArray();
+        }
+
        /// <summary>
        /// Parse a symbol name to a SharedSymbol
        /// </summary>
@@ -74,8 +74,13 @@ namespace CryptoExchange.Net
                {
                    if (serializationType == ArrayParametersSerialization.Array)
                    {
-                        foreach(var entry in (object[])parameter.Value)
+                        bool firstArrayValue = true;
+                        foreach (var entry in (Array)parameter.Value)
                        {
+                            if (!firstArrayValue)
+                                uriString.Append('&');
+                            firstArrayValue = false;
+
                            uriString.Append(parameter.Key);
                            uriString.Append("[]=");
                            if (urlEncodeValues)
@@ -87,7 +92,7 @@ namespace CryptoExchange.Net
                    else if (serializationType == ArrayParametersSerialization.MultipleValues)
                    {
                        bool firstArrayValue = true;
-                        foreach (var entry in (object[])parameter.Value)
+                        foreach (var entry in (Array)parameter.Value)
                        {
                            if (!firstArrayValue)
                                uriString.Append('&');
@@ -104,7 +109,7 @@ namespace CryptoExchange.Net
                    {
                        uriString.Append('[');
                        var firstArrayEntry = true;
-                        foreach (var entry in (object[])parameter.Value)
+                        foreach (var entry in (Array)parameter.Value)
                        {
                            if (!firstArrayEntry)
                                uriString.Append(',');                            
@@ -287,122 +292,6 @@ namespace CryptoExchange.Net
            return sb.ToString();
        }

-        /// <summary>
-        /// Create a new uri with the provided parameters as query
-        /// </summary>
-        /// <param name="parameters"></param>
-        /// <param name="baseUri"></param>
-        /// <param name="arraySerialization"></param>
-        /// <returns></returns>
-        public static Uri SetParameters(this Uri baseUri, IDictionary<string, object> parameters, ArrayParametersSerialization arraySerialization)
-        {
-            var uriBuilder = new UriBuilder();
-            uriBuilder.Scheme = baseUri.Scheme;
-            uriBuilder.Host = baseUri.Host;
-            uriBuilder.Port = baseUri.Port;
-            uriBuilder.Path = baseUri.AbsolutePath;
-            var httpValueCollection = HttpUtility.ParseQueryString(string.Empty);
-            foreach (var parameter in parameters)
-            {
-                if (parameter.Value.GetType().IsArray)
-                {
-                    if (arraySerialization == ArrayParametersSerialization.JsonArray)
-                    {
-                        httpValueCollection.Add(parameter.Key, $"[{string.Join(",", (object[])parameter.Value)}]");
-                    }
-                    else
-                    {
-                        foreach (var item in (object[])parameter.Value)
-                        {
-                            if (arraySerialization == ArrayParametersSerialization.Array)
-                            {
-                                httpValueCollection.Add(parameter.Key + "[]", item.ToString());
-                            }
-                            else
-                            {
-                                httpValueCollection.Add(parameter.Key, item.ToString());
-                            }
-                        }
-                    }
-                }
-                else
-                {
-                    httpValueCollection.Add(parameter.Key, parameter.Value.ToString());
-                }
-            }
-
-            uriBuilder.Query = httpValueCollection.ToString();
-            return uriBuilder.Uri;
-        }
-
-        /// <summary>
-        /// Create a new uri with the provided parameters as query
-        /// </summary>
-        /// <param name="parameters"></param>
-        /// <param name="baseUri"></param>
-        /// <param name="arraySerialization"></param>
-        /// <returns></returns>
-        public static Uri SetParameters(this Uri baseUri, IOrderedEnumerable<KeyValuePair<string, object>> parameters, ArrayParametersSerialization arraySerialization)
-        {
-            var uriBuilder = new UriBuilder();
-            uriBuilder.Scheme = baseUri.Scheme;
-            uriBuilder.Host = baseUri.Host;
-            uriBuilder.Port = baseUri.Port;
-            uriBuilder.Path = baseUri.AbsolutePath;
-            var httpValueCollection = HttpUtility.ParseQueryString(string.Empty);
-            foreach (var parameter in parameters)
-            {
-                if (parameter.Value.GetType().IsArray)
-                {
-                    if (arraySerialization == ArrayParametersSerialization.JsonArray)
-                    {
-                        httpValueCollection.Add(parameter.Key, $"[{string.Join(",", (object[])parameter.Value)}]");
-                    }
-                    else
-                    {
-                        foreach (var item in (object[])parameter.Value)
-                        {
-                            if (arraySerialization == ArrayParametersSerialization.Array)
-                            {
-                                httpValueCollection.Add(parameter.Key + "[]", item.ToString());
-                            }
-                            else
-                            {
-                                httpValueCollection.Add(parameter.Key, item.ToString());
-                            }
-                        }
-                    }
-                }
-                else
-                {
-                    httpValueCollection.Add(parameter.Key, parameter.Value.ToString());
-                }
-            }
-
-            uriBuilder.Query = httpValueCollection.ToString();
-            return uriBuilder.Uri;
-        }
-
-        /// <summary>
-        /// Add parameter to URI
-        /// </summary>
-        /// <param name="uri"></param>
-        /// <param name="name"></param>
-        /// <param name="value"></param>
-        /// <returns></returns>
-        public static Uri AddQueryParameter(this Uri uri, string name, string value)
-        {
-            var httpValueCollection = HttpUtility.ParseQueryString(uri.Query);
-
-            httpValueCollection.Remove(name);
-            httpValueCollection.Add(name, value);
-
-            var ub = new UriBuilder(uri);
-            ub.Query = httpValueCollection.ToString();
-
-            return ub.Uri;
-        }
-
        /// <summary>
        /// Decompress using GzipStream
        /// </summary>
@@ -414,20 +303,6 @@ namespace CryptoExchange.Net
            return new ReadOnlySpan<byte>(decompressedStream.GetBuffer(), 0, (int)decompressedStream.Length);
        }

-        /// <summary>
-        /// Decompress using GzipStream
-        /// </summary>
-        public static ReadOnlyMemory<byte> DecompressGzip(this ReadOnlyMemory<byte> data)
-        {
-            using var decompressedStream = new MemoryStream();
-            using var dataStream = MemoryMarshal.TryGetArray(data, out var arraySegment)
-                ? new MemoryStream(arraySegment.Array!, arraySegment.Offset, arraySegment.Count)
-                : new MemoryStream(data.ToArray());
-            using var deflateStream = new GZipStream(dataStream, CompressionMode.Decompress);
-            deflateStream.CopyTo(decompressedStream);
-            return new ReadOnlyMemory<byte>(decompressedStream.GetBuffer(), 0, (int)decompressedStream.Length);
-        }
-
        /// <summary>
        /// Decompress using GzipStream
        /// </summary>
@@ -440,22 +315,6 @@ namespace CryptoExchange.Net
            return new ReadOnlySpan<byte>(output.GetBuffer(), 0, (int)output.Length);
        }

-        /// <summary>
-        /// Decompress using DeflateStream
-        /// </summary>
-        /// <param name="input"></param>
-        /// <returns></returns>
-        public static ReadOnlyMemory<byte> Decompress(this ReadOnlyMemory<byte> input)
-        {
-            var output = new MemoryStream();
-
-            using var compressStream = new MemoryStream(input.ToArray());
-            using var decompressor = new DeflateStream(compressStream, CompressionMode.Decompress);
-            decompressor.CopyTo(output);
-            output.Position = 0;
-            return new ReadOnlyMemory<byte>(output.GetBuffer(), 0, (int)output.Length);
-        }
-
        /// <summary>
        /// Whether the trading mode is linear
        /// </summary>
@@ -611,6 +470,26 @@ namespace CryptoExchange.Net

            return services;
        }
+
+        /// <summary>
+        /// Convert a hex encoded string to byte array
+        /// </summary>
+        /// <param name="hexString"></param>
+        /// <returns></returns>
+        public static byte[] HexStringToBytes(this string hexString)
+        {
+            if (hexString.StartsWith("0x"))
+                hexString = hexString.Substring(2);
+
+            byte[] bytes = new byte[hexString.Length / 2];
+            for (int i = 0; i < hexString.Length; i += 2)
+            {
+                string hexSubstring = hexString.Substring(i, 2);
+                bytes[i / 2] = Convert.ToByte(hexSubstring, 16);
+            }
+
+            return bytes;
+        }
    }
 }

@@ -15,11 +15,6 @@ namespace CryptoExchange.Net.Interfaces.Clients
        /// </summary>
        string BaseAddress { get; }

-        /// <summary>
-        /// Whether or not API credentials have been configured for this client. Does not check the credentials are actually valid.
-        /// </summary>
-        bool Authenticated { get; }
-
        /// <summary>
        /// Format a base and quote asset to an exchange accepted symbol 
        /// </summary>
@@ -29,19 +24,5 @@ namespace CryptoExchange.Net.Interfaces.Clients
        /// <param name="deliverDate">The deliver date for a delivery futures symbol</param>
        /// <returns></returns>
        string FormatSymbol(string baseAsset, string quoteAsset, TradingMode tradingMode, DateTime? deliverDate = null);
-
-        /// <summary>
-        /// Set the API credentials for this API client
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <param name="credentials"></param>
-        void SetApiCredentials<T>(T credentials) where T : ApiCredentials;
-
-        /// <summary>
-        /// Set new options. Note that when using a proxy this should be provided in the options even when already set before or it will be reset.
-        /// </summary>
-        /// <typeparam name="T">Api credentials type</typeparam>
-        /// <param name="options">Options to set</param>
-        void SetOptions<T>(UpdateOptions<T> options) where T : ApiCredentials;
    }
 }
@@ -1,17 +0,0 @@
-using System;
-
-namespace CryptoExchange.Net.Interfaces.Clients
-{
-    /// <summary>
-    /// Client for accessing REST API's for different exchanges
-    /// </summary>
-    public interface ICryptoRestClient
-    {
-        /// <summary>
-        /// Try get 
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <returns></returns>
-        T TryGet<T>(Func<T> createFunc);
-    }
-}
@@ -1,17 +0,0 @@
-using System;
-
-namespace CryptoExchange.Net.Interfaces.Clients
-{
-    /// <summary>
-    /// Client for accessing Websocket API's for different exchanges
-    /// </summary>
-    public interface ICryptoSocketClient
-    {
-        /// <summary>
-        /// Try get a client by type for the service collection
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <returns></returns>
-        T TryGet<T>(Func<T> createFunc);
-    }
-}
@@ -1,4 +1,7 @@
-namespace CryptoExchange.Net.Interfaces.Clients
+using CryptoExchange.Net.Authentication;
+using CryptoExchange.Net.Objects.Options;
+
+namespace CryptoExchange.Net.Interfaces.Clients
 {
    /// <summary>
    /// Base rest API client
@@ -15,4 +18,25 @@
        /// </summary>
        int TotalRequestsMade { get; set; }
    }
+
+    /// <inheritdoc />
+    public interface IRestApiClient<TApiCredentials> : IRestApiClient
+        where TApiCredentials : ApiCredentials
+    {
+        /// <summary>
+        /// Whether or not API credentials have been configured for this client. Does not check the credentials are actually valid.
+        /// </summary>
+        bool Authenticated { get; }
+
+        /// <summary>
+        /// Set the API credentials for this API client
+        /// </summary>
+        void SetApiCredentials(TApiCredentials credentials);
+
+        /// <summary>
+        /// Set new options. Note that when using a proxy this should be provided in the options even when already set before or it will be reset.
+        /// </summary>
+        /// <param name="options">Options to set</param>
+        void SetOptions(UpdateOptions<TApiCredentials> options);
+    }
 }
@@ -1,4 +1,5 @@
 using System;
+using CryptoExchange.Net.Authentication;
 using CryptoExchange.Net.Objects.Options;

 namespace CryptoExchange.Net.Interfaces.Clients
@@ -6,7 +7,7 @@ namespace CryptoExchange.Net.Interfaces.Clients
    /// <summary>
    /// Base class for rest API implementations
    /// </summary>
-    public interface IRestClient: IDisposable
+    public interface IRestClient : IDisposable
    {
        /// <summary>
        /// The options provided for this client
@@ -22,5 +23,32 @@ namespace CryptoExchange.Net.Interfaces.Clients
        /// The exchange name
        /// </summary>
        string Exchange { get; }
+
+        /// <summary>
+        /// Whether client is disposed
+        /// </summary>
+        bool Disposed { get; }
+
+        /// <summary>
+        /// Update specific options
+        /// </summary>
+        /// <param name="options">Options to update. Only specific options are changeable after the client has been created</param>
+        void SetOptions(UpdateOptions options);
+    }
+
+    /// <inheritdoc />
+    public interface IRestClient<TApiCredentials> : IRestClient where TApiCredentials : ApiCredentials
+    {
+        /// <summary>
+        /// Set the API credentials for this client. All Api clients in this client will use the new credentials, regardless of earlier set options.
+        /// </summary>
+        /// <param name="credentials">The credentials to set</param>
+        void SetApiCredentials(TApiCredentials credentials);
+
+        /// <summary>
+        /// Update specific options
+        /// </summary>
+        /// <param name="options">Options to update. Only specific options are changeable after the client has been created</param>
+        void SetOptions(UpdateOptions<TApiCredentials> options);
    }
 }
@@ -1,4 +1,5 @@
-using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Authentication;
+using CryptoExchange.Net.Objects;
 using CryptoExchange.Net.Objects.Options;
 using CryptoExchange.Net.Objects.Sockets;
 using CryptoExchange.Net.Sockets.Default.Interfaces;
@@ -10,7 +11,7 @@ namespace CryptoExchange.Net.Interfaces.Clients
    /// <summary>
    /// Socket API client
    /// </summary>
-    public interface ISocketApiClient: IBaseApiClient
+    public interface ISocketApiClient : IBaseApiClient
    {
        /// <summary>
        /// The current amount of socket connections on the API client
@@ -73,4 +74,25 @@ namespace CryptoExchange.Net.Interfaces.Clients
        /// <returns></returns>
        Task<CallResult> PrepareConnectionsAsync();
    }
+
+    /// <inheritdoc />
+    public interface ISocketApiClient<TApiCredentials> : ISocketApiClient
+        where TApiCredentials : ApiCredentials
+    {
+
+        /// <summary>
+        /// Whether or not API credentials have been configured for this client. Does not check the credentials are actually valid.
+        /// </summary>
+        bool Authenticated { get; }
+        /// <summary>
+        /// Set the API credentials for this API client
+        /// </summary>
+        void SetApiCredentials(TApiCredentials credentials);
+
+        /// <summary>
+        /// Set new options. Note that when using a proxy this should be provided in the options even when already set before or it will be reset.
+        /// </summary>
+        /// <param name="options">Options to set</param>
+        void SetOptions(UpdateOptions<TApiCredentials> options);
+    }
 }
@@ -1,5 +1,6 @@
 using System;
 using System.Threading.Tasks;
+using CryptoExchange.Net.Authentication;
 using CryptoExchange.Net.Objects.Options;
 using CryptoExchange.Net.Objects.Sockets;

@@ -8,7 +9,7 @@ namespace CryptoExchange.Net.Interfaces.Clients
    /// <summary>
    /// Base class for socket API implementations
    /// </summary>
-    public interface ISocketClient: IDisposable
+    public interface ISocketClient : IDisposable
    {
        /// <summary>
        /// The exchange name
@@ -35,6 +36,11 @@ namespace CryptoExchange.Net.Interfaces.Clients
        /// </summary>
        public int CurrentSubscriptions { get; }

+        /// <summary>
+        /// Whether client is disposed
+        /// </summary>
+        bool Disposed { get; }
+
        /// <summary>
        /// Unsubscribe from a stream using the subscription id received when starting the subscription
        /// </summary>
@@ -54,5 +60,28 @@ namespace CryptoExchange.Net.Interfaces.Clients
        /// </summary>
        /// <returns></returns>
        Task UnsubscribeAllAsync();
+
+        /// <summary>
+        /// Update specific options
+        /// </summary>
+        /// <param name="options">Options to update. Only specific options are changeable after the client has been created</param>
+        void SetOptions(UpdateOptions options);
+    }
+
+    /// <inheritdoc />
+    public interface ISocketClient<TApiCredentials> : ISocketClient where TApiCredentials : ApiCredentials
+    {
+
+        /// <summary>
+        /// Set the API credentials for this client. All Api clients in this client will use the new credentials, regardless of earlier set options.
+        /// </summary>
+        /// <param name="credentials">The credentials to set</param>
+        void SetApiCredentials(TApiCredentials credentials);
+
+        /// <summary>
+        /// Update specific options
+        /// </summary>
+        /// <param name="options">Options to update. Only specific options are changeable after the client has been created</param>
+        void SetOptions(UpdateOptions<TApiCredentials> options);
    }
 }
@@ -1,109 +0,0 @@
-using CryptoExchange.Net.Converters.MessageParsing;
-using CryptoExchange.Net.Objects;
-using System;
-using System.Diagnostics.CodeAnalysis;
-using System.IO;
-using System.Threading.Tasks;
-
-namespace CryptoExchange.Net.Interfaces
-{
-    /// <summary>
-    /// Message accessor
-    /// </summary>
-    public interface IMessageAccessor
-    {
-        /// <summary>
-        /// Is this a valid message
-        /// </summary>
-        bool IsValid { get; }
-        /// <summary>
-        /// Is the original data available for retrieval
-        /// </summary>
-        bool OriginalDataAvailable { get; }
-        /// <summary>
-        /// The underlying data object
-        /// </summary>
-        object? Underlying { get; }
-        /// <summary>
-        /// Clear internal data structure
-        /// </summary>
-        void Clear();
-        /// <summary>
-        /// Get the type of node
-        /// </summary>
-        /// <returns></returns>
-        NodeType? GetNodeType();
-        /// <summary>
-        /// Get the type of node
-        /// </summary>
-        /// <param name="path">Access path</param>
-        /// <returns></returns>
-        NodeType? GetNodeType(MessagePath path);
-        /// <summary>
-        /// Get the value of a path
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <param name="path"></param>
-        /// <returns></returns>
-        T? GetValue<T>(MessagePath path);
-        /// <summary>
-        /// Get the values of an array
-        /// </summary>
-        /// <typeparam name="T"></typeparam>
-        /// <param name="path"></param>
-        /// <returns></returns>
-        T?[]? GetValues<T>(MessagePath path);
-        /// <summary>
-        /// Deserialize the message into this type
-        /// </summary>
-        /// <param name="type"></param>
-        /// <param name="path"></param>
-        /// <returns></returns>
-#if NET5_0_OR_GREATER
-        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2092:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2095:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-#endif
-        CallResult<object> Deserialize(Type type, MessagePath? path = null);
-        /// <summary>
-        /// Deserialize the message into this type
-        /// </summary>
-        /// <param name="path"></param>
-        /// <returns></returns>
-#if NET5_0_OR_GREATER
-        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2092:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2095:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-#endif
-        CallResult<T> Deserialize<T>(MessagePath? path = null);
-
-        /// <summary>
-        /// Get the original string value
-        /// </summary>
-        /// <returns></returns>
-        string GetOriginalString();
-    }
-
-    /// <summary>
-    /// Stream message accessor
-    /// </summary>
-    public interface IStreamMessageAccessor : IMessageAccessor
-    {
-        /// <summary>
-        /// Load a stream message
-        /// </summary>
-        /// <param name="stream"></param>
-        /// <param name="bufferStream"></param>
-        Task<CallResult> Read(Stream stream, bool bufferStream);
-    }
-
-    /// <summary>
-    /// Byte message accessor
-    /// </summary>
-    public interface IByteMessageAccessor : IMessageAccessor
-    {
-        /// <summary>
-        /// Load a data message
-        /// </summary>
-        /// <param name="data"></param>
-        CallResult Read(ReadOnlyMemory<byte> data);
-    }
-}
@@ -1,6 +1,7 @@
 using System;
 using System.Net.Http;
 using System.Net.Http.Headers;
+using System.Text;
 using System.Threading;
 using System.Threading.Tasks;

@@ -43,9 +44,7 @@ namespace CryptoExchange.Net.Interfaces
        /// <summary>
        /// Set string content
        /// </summary>
-        /// <param name="data"></param>
-        /// <param name="contentType"></param>
-        void SetContent(string data, string contentType);
+        void SetContent(string data, Encoding? encoding, string contentType);

        /// <summary>
        /// Add a header to the request
@@ -1,4 +1,5 @@
-using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Authentication;
+using CryptoExchange.Net.Objects;
 using CryptoExchange.Net.Objects.Options;
 using System;
 using System.Net.Http;
@@ -1,4 +1,6 @@
-using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Authentication;
+using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Objects.Options;
 using Microsoft.Extensions.Logging;
 using System;
 using System.Collections.Generic;
@@ -19,7 +21,7 @@ namespace CryptoExchange.Net
        public static ILogger? StaticLogger
        {
            get => _staticLogger;
-            internal set  
+            internal set
            {
                if (_staticLogger != null)
                    return;
@@ -105,31 +107,36 @@ namespace CryptoExchange.Net
        /// <summary>
        /// Create a new HttpMessageHandler instance
        /// </summary>  
-        public static HttpMessageHandler CreateHttpClientMessageHandler(ApiProxy? proxy, TimeSpan? keepAliveInterval)
+        public static HttpMessageHandler CreateHttpClientMessageHandler(RestExchangeOptions options)
        {
 #if NET5_0_OR_GREATER
            var socketHandler = new SocketsHttpHandler();
            try
            {
-                if (keepAliveInterval != null && keepAliveInterval != TimeSpan.Zero)
+                if (options.HttpKeepAliveInterval != null && options.HttpKeepAliveInterval != TimeSpan.Zero)
                {
                    socketHandler.KeepAlivePingPolicy = HttpKeepAlivePingPolicy.Always;
-                    socketHandler.KeepAlivePingDelay = keepAliveInterval.Value;
+                    socketHandler.KeepAlivePingDelay = options.HttpKeepAliveInterval.Value;
                    socketHandler.KeepAlivePingTimeout = TimeSpan.FromSeconds(10);
                }

                socketHandler.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
                socketHandler.DefaultProxyCredentials = CredentialCache.DefaultCredentials;
+
+                socketHandler.EnableMultipleHttp2Connections = options.HttpEnableMultipleHttp2Connections;
+                socketHandler.PooledConnectionLifetime = options.HttpPooledConnectionLifetime;
+                socketHandler.PooledConnectionIdleTimeout = options.HttpPooledConnectionIdleTimeout;
+                socketHandler.MaxConnectionsPerServer = options.HttpMaxConnectionsPerServer;
            }
            catch (PlatformNotSupportedException) { }
            catch (NotImplementedException) { } // Mono runtime throws NotImplementedException

-            if (proxy != null)
+            if (options.Proxy != null)
            {
                socketHandler.Proxy = new WebProxy
                {
-                    Address = new Uri($"{proxy.Host}:{proxy.Port}"),
-                    Credentials = proxy.Password == null ? null : new NetworkCredential(proxy.Login, proxy.Password)
+                    Address = new Uri($"{options.Proxy.Host}:{options.Proxy.Port}"),
+                    Credentials = options.Proxy.Password == null ? null : new NetworkCredential(options.Proxy.Login, options.Proxy.Password)
                };
            }
            return socketHandler;
@@ -143,12 +150,12 @@ namespace CryptoExchange.Net
            catch (PlatformNotSupportedException) { }
            catch (NotImplementedException) { } // Mono runtime throws NotImplementedException

-            if (proxy != null)
+            if (options.Proxy != null)
            {
                httpHandler.Proxy = new WebProxy
                {
-                    Address = new Uri($"{proxy.Host}:{proxy.Port}"),
-                    Credentials = proxy.Password == null ? null : new NetworkCredential(proxy.Login, proxy.Password)
+                    Address = new Uri($"{options.Proxy.Host}:{options.Proxy.Port}"),
+                    Credentials = options.Proxy.Password == null ? null : new NetworkCredential(options.Proxy.Login, options.Proxy.Password)
                };
            }
            return httpHandler;
@@ -37,7 +37,7 @@ namespace CryptoExchange.Net.Logging.Extensions
        private static readonly Action<ILogger, int, string, Exception?> _sendingPeriodic;
        private static readonly Action<ILogger, int, string, string, Exception?> _periodicSendFailed;
        private static readonly Action<ILogger, int, int, string, Exception?> _sendingData;
-        private static readonly Action<ILogger, int, string, string, Exception?> _receivedMessageNotMatchedToAnyListener;
+        private static readonly Action<ILogger, int, string, string, string, Exception?> _receivedMessageNotMatchedToAnyListener;
        private static readonly Action<ILogger, int, int, int, Exception?> _sendingByteData;

        static SocketConnectionLoggingExtension()
@@ -177,10 +177,10 @@ namespace CryptoExchange.Net.Logging.Extensions
                new EventId(2028, "SendingData"),
                "[Sckt {SocketId}] [Req {RequestId}] sending message: {Data}");

-            _receivedMessageNotMatchedToAnyListener = LoggerMessage.Define<int, string, string>(
+            _receivedMessageNotMatchedToAnyListener = LoggerMessage.Define<int, string, string, string>(
                LogLevel.Warning,
                new EventId(2029, "ReceivedMessageNotMatchedToAnyListener"),
-                "[Sckt {SocketId}] received message not matched to any listener. ListenId: {ListenId}, current listeners: [{ListenIds}]");
+                "[Sckt {SocketId}] received message not matched to any listener. TypeIdentifier: {TypeIdentifier}, ListenId: {ListenId}, current listeners: [{ListenIds}]");

            _failedToParse = LoggerMessage.Define<int, string>(
                LogLevel.Warning,
@@ -326,9 +326,9 @@ namespace CryptoExchange.Net.Logging.Extensions
            _sendingData(logger, socketId, requestId, data, null);
        }

-        public static void ReceivedMessageNotMatchedToAnyListener(this ILogger logger, int socketId, string listenId, string listenIds)
+        public static void ReceivedMessageNotMatchedToAnyListener(this ILogger logger, int socketId, string typeIdentifier, string listenId, string listenIds)
        {
-            _receivedMessageNotMatchedToAnyListener(logger, socketId, listenId, listenIds, null);
+            _receivedMessageNotMatchedToAnyListener(logger, socketId, typeIdentifier, listenId, listenIds, null);
        }

        public static void SendingByteData(this ILogger logger, int socketId, int requestId, int length)
@@ -1,129 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace CryptoExchange.Net.Objects
-{
-    /// <summary>
-    /// Async auto reset based on Stephen Toub`s implementation
-    /// https://devblogs.microsoft.com/pfxteam/building-async-coordination-primitives-part-2-asyncautoresetevent/
-    /// </summary>
-    public class AsyncResetEvent : IDisposable
-    {
-        private static readonly Task<bool> _completed = Task.FromResult(true);
-        private Queue<TaskCompletionSource<bool>> _waits = new Queue<TaskCompletionSource<bool>>();
-#if NET9_0_OR_GREATER
-        private readonly Lock _waitsLock = new Lock();
-#else
-        private readonly object _waitsLock = new object();
-#endif
-        private bool _signaled;
-        private readonly bool _reset;
-
-        /// <summary>
-        /// New AsyncResetEvent
-        /// </summary>
-        /// <param name="initialState"></param>
-        /// <param name="reset"></param>
-        public AsyncResetEvent(bool initialState = false, bool reset = true)
-        {
-            _signaled = initialState;
-            _reset = reset;
-        }
-
-        /// <summary>
-        /// Wait for the AutoResetEvent to be set
-        /// </summary>
-        /// <returns></returns>
-        public async Task<bool> WaitAsync(TimeSpan? timeout = null, CancellationToken ct = default)
-        {
-            CancellationTokenRegistration registration = default;
-            try
-            {
-                Task<bool> waiter = _completed;
-                lock (_waitsLock)
-                {
-                    if (_signaled)
-                    {
-                        if (_reset)
-                            _signaled = false;
-                    }
-                    else if (!ct.IsCancellationRequested)
-                    {
-                        var tcs = new TaskCompletionSource<bool>(TaskCreationOptions.RunContinuationsAsynchronously);
-                        if (timeout.HasValue)
-                        {
-                            var timeoutSource = new CancellationTokenSource(timeout.Value);
-                            var cancellationSource = CancellationTokenSource.CreateLinkedTokenSource(timeoutSource.Token, ct);
-                            ct = cancellationSource.Token;
-                        }
-
-                        registration = ct.Register(() =>
-                        {
-                            lock (_waitsLock)
-                            {
-                                tcs.TrySetResult(false);
-
-                                // Not the cleanest but it works
-                                _waits = new Queue<TaskCompletionSource<bool>>(_waits.Where(i => i != tcs));
-                            }
-                        }, useSynchronizationContext: false);
-
-
-                        _waits.Enqueue(tcs);
-                        waiter = tcs.Task;
-                    }
-                }
-
-                return await waiter.ConfigureAwait(false);
-            }
-            finally
-            {
-                registration.Dispose();
-            }
-        }
-
-        /// <summary>
-        /// Signal a waiter
-        /// </summary>
-        public void Set()
-        {
-            lock (_waitsLock)
-            {
-                if (!_reset)
-                {
-                    // Act as ManualResetEvent. Once set keep it signaled and signal everyone who is waiting
-                    _signaled = true;
-                    while (_waits.Count > 0)
-                    {
-                        var toRelease = _waits.Dequeue();
-                        toRelease.TrySetResult(true);
-                    }
-                }
-                else
-                {
-                    // Act as AutoResetEvent. When set signal 1 waiter
-                    if (_waits.Count > 0)
-                    {
-                        var toRelease = _waits.Dequeue();
-                        toRelease.TrySetResult(true);
-                    }
-                    else if (!_signaled)
-                    {
-                        _signaled = true;
-                    }
-                }
-            }
-        }
-
-        /// <summary>
-        /// Dispose
-        /// </summary>
-        public void Dispose()
-        {
-            _waits.Clear();
-        }
-    }
-}
@@ -0,0 +1,149 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace CryptoExchange.Net.Objects
+{
+    /// <summary>
+    /// Async auto/manual reset event implementation
+    /// </summary>
+    public class AsyncResetEvent
+    {
+        private readonly Queue<TaskCompletionSource<bool>> _waiters = new();
+        private readonly bool _autoReset;
+        private bool _signaled;
+#if NET9_0_OR_GREATER
+        private readonly Lock _waitersLock = new Lock();
+#else
+        private readonly object _waitersLock = new object();
+#endif
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public AsyncResetEvent(bool initialState = false, bool autoReset = true)
+        {
+            _signaled = initialState;
+            _autoReset = autoReset;
+        }
+
+        /// <summary>
+        /// Wait for the set event
+        /// </summary>
+        /// <returns></returns>
+        public async Task<bool> WaitAsync(
+            TimeSpan? timeout = null,
+            CancellationToken ct = default)
+        {
+            TaskCompletionSource<bool> tcs;
+
+            lock (_waitersLock)
+            {
+                if (_signaled)
+                {
+                    // Already was signaled, can return immediately
+                    if (_autoReset)
+                        _signaled = false;
+
+                    return true;
+                }
+
+                tcs = new TaskCompletionSource<bool>(TaskCreationOptions.RunContinuationsAsynchronously);
+                _waiters.Enqueue(tcs);
+            }
+
+            CancellationTokenSource? delayCts = null;
+
+            try
+            {
+                if (timeout.HasValue || ct.CanBeCanceled)
+                {
+                    delayCts = CancellationTokenSource.CreateLinkedTokenSource(ct);
+
+                    var delayTask = Task.Delay(
+                        timeout ?? Timeout.InfiniteTimeSpan,
+                        delayCts.Token);
+
+                    var completedTask =
+                        await Task.WhenAny(tcs.Task, delayTask)
+                                  .ConfigureAwait(false);
+
+                    if (completedTask != tcs.Task)
+                    {
+                        // This was a timeout or cancellation, need to remove tcs from waiters
+                        // if the tcs was set instead it will be removed in the Set method
+                        if (tcs.TrySetResult(false))
+                        {
+                            lock (_waitersLock)
+                            {
+                                // Dequeue and put in the back of the queue again except for the one we need to remove
+                                int count = _waiters.Count;
+                                for (int i = 0; i < count; i++)
+                                {
+                                    var w = _waiters.Dequeue();
+                                    if (w != tcs)
+                                        _waiters.Enqueue(w);
+                                }
+                            }
+                        }
+
+                        return false;
+                    }
+                }
+                else
+                {
+                    await tcs.Task.ConfigureAwait(false);
+                }
+
+                return true;
+            }
+            finally
+            {
+                // Actively stop the delay if tcs.Task won
+                delayCts?.Cancel();
+                delayCts?.Dispose();
+            }
+        }
+
+        /// <summary>
+        /// Signal a waiter
+        /// </summary>
+        public void Set()
+        {
+            if (!_autoReset && _signaled)
+                // Already signaled and not resetting
+                return;
+
+            lock (_waitersLock)
+            {
+                if (_autoReset)
+                {
+                    while (_waiters.Count > 0)
+                    {
+                        // Try to dequeue and set the result
+                        // If result setting was not successful it means timeout/cancellation happened at the same time
+                        // If this is the case this Set isn't the one setting the result and we need to continue
+                        var w = _waiters.Dequeue();
+                        if (w.TrySetResult(true))
+                            return;
+                    }
+
+                    // No queued waiters, set signaled for next waiter
+                    _signaled = true;
+                }
+                else
+                {
+                    _signaled = true;
+
+                    // Signal all current waiters
+                    while (_waiters.Count > 0)
+                    {
+                        var w = _waiters.Dequeue();
+                        w.TrySetResult(true);
+                    }
+                }
+            }
+        }
+    }
+}
@@ -531,11 +531,11 @@ namespace CryptoExchange.Net.Objects
        /// <param name="exchange">The exchange</param>
        /// <param name="tradeMode">Trade mode the result applies to</param>
        /// <param name="data">Data</param>
-        /// <param name="nextPageToken">Next page token</param>
+        /// <param name="nextPageRequest">Next page request</param>
        /// <returns></returns>
-        public ExchangeWebResult<K> AsExchangeResult<K>(string exchange, TradingMode tradeMode, [AllowNull] K data, INextPageToken? nextPageToken = null)
+        public ExchangeWebResult<K> AsExchangeResult<K>(string exchange, TradingMode tradeMode, [AllowNull] K data, PageRequest? nextPageRequest = null)
        {
-            return new ExchangeWebResult<K>(exchange, tradeMode, As<K>(data), nextPageToken);
+            return new ExchangeWebResult<K>(exchange, tradeMode, As<K>(data), nextPageRequest);
        }

        /// <summary>
@@ -545,11 +545,11 @@ namespace CryptoExchange.Net.Objects
        /// <param name="exchange">The exchange</param>
        /// <param name="tradeModes">Trade modes the result applies to</param>
        /// <param name="data">Data</param>
-        /// <param name="nextPageToken">Next page token</param>
+        /// <param name="nextPageRequest">Next page token</param>
        /// <returns></returns>
-        public ExchangeWebResult<K> AsExchangeResult<K>(string exchange, TradingMode[]? tradeModes, [AllowNull] K data, INextPageToken? nextPageToken = null)
+        public ExchangeWebResult<K> AsExchangeResult<K>(string exchange, TradingMode[]? tradeModes, [AllowNull] K data, PageRequest? nextPageRequest = null)
        {
-            return new ExchangeWebResult<K>(exchange, tradeModes, As<K>(data), nextPageToken);
+            return new ExchangeWebResult<K>(exchange, tradeModes, As<K>(data), nextPageRequest);
        }

        /// <summary>
@@ -250,6 +250,40 @@
        DEX
    }

+    /// <summary>
+    /// Type of platform
+    /// </summary>
+    public enum PlatformType 
+    { 
+        /// <summary>
+        /// Platform to trade cryptocurrency
+        /// </summary>
+        CryptoCurrencyExchange,
+        /// <summary>
+        /// Platform for trading on predictions
+        /// </summary>
+        PredictionMarket,
+        /// <summary>
+        /// Other
+        /// </summary>
+        Other
+    }
+
+    /// <summary>
+    /// Centralization type
+    /// </summary>
+    public enum CentralizationType
+    {
+        /// <summary>
+        /// Centralized, a person or company is in full control
+        /// </summary>
+        Centralized,
+        /// <summary>
+        /// Decentralized, governance is split over different entities with no single entity in full control
+        /// </summary>
+        Decentralized
+    }
+
    /// <summary>
    /// Timeout behavior for queries
    /// </summary>
@@ -130,7 +130,8 @@ namespace CryptoExchange.Net.Objects
        /// <summary>
        /// Default error info
        /// </summary>
-        protected static readonly ErrorInfo _errorInfo = new ErrorInfo(ErrorType.MissingCredentials, false, "No credentials provided for private endpoint");
+        protected static readonly ErrorInfo _errorInfo = new ErrorInfo(ErrorType.MissingCredentials, false, 
+            "No credentials provided for private endpoint, set the `ApiCredentials` option in the client configuration");

        /// <summary>
        /// ctor
@@ -211,7 +212,15 @@ namespace CryptoExchange.Net.Objects
        /// <summary>
        /// ctor
        /// </summary>
-        public DeserializeError(string? message = null, Exception? exception = null) : base(null, _errorInfo with { Message = (message?.Length > 0 ? _errorInfo.Message + ": " + message : _errorInfo.Message) }, exception) { }
+        public DeserializeError(string? message = null, Exception? exception = null) 
+            : base(null, 
+                  _errorInfo with 
+                  {
+                      Message = message?.Length > 0 
+                        ? message
+                        : _errorInfo.Message
+                  },
+                  exception) { }
    }

    /// <summary>
@@ -1,21 +1,19 @@
-using CryptoExchange.Net.Authentication;
-
-namespace CryptoExchange.Net.Objects.Options
+namespace CryptoExchange.Net.Objects.Options
 {
    /// <summary>
    /// Options for API usage
    /// </summary>
    public class ApiOptions
    {
+        /// <summary>
+        /// Whether or not to automatically sync the local time with the server time
+        /// </summary>
+        public bool? AutoTimestamp { get; set; }
+
        /// <summary>
        /// If true, the CallResult and DataEvent objects will also include the originally received string data in the OriginalData property.
        /// Note that this comes at a performance cost
        /// </summary>
        public bool? OutputOriginalData { get; set; }
-
-        /// <summary>
-        /// The api credentials used for signing requests to this API. Overrides API credentials provided in the client options
-        /// </summary>        
-        public ApiCredentials? ApiCredentials { get; set; }
    }
 }
@@ -8,6 +8,10 @@ namespace CryptoExchange.Net.Objects.Options
    /// </summary>
    public class ExchangeOptions
    {
+        /// <summary>
+        /// Whether or not to automatically sync the local time with the server time
+        /// </summary>
+        public bool AutoTimestamp { get; set; }
        /// <summary>
        /// Proxy settings
        /// </summary>
@@ -24,11 +28,6 @@ namespace CryptoExchange.Net.Objects.Options
        /// </summary>
        public TimeSpan RequestTimeout { get; set; } = TimeSpan.FromSeconds(20);

-        /// <summary>
-        /// The api credentials used for signing requests to this API.
-        /// </summary>        
-        public ApiCredentials? ApiCredentials { get; set; }
-
        /// <summary>
        /// Whether or not client side rate limiting should be applied
        /// </summary>
@@ -41,7 +40,7 @@ namespace CryptoExchange.Net.Objects.Options
        /// <inheritdoc />
        public override string ToString()
        {
-            return $"RequestTimeout: {RequestTimeout}, Proxy: {(Proxy == null ? "-" : "set")}, ApiCredentials: {(ApiCredentials == null ? "-" : "set")}";
+            return $"RequestTimeout: {RequestTimeout}, Proxy: {(Proxy == null ? "-" : "set")}";
        }
    }
 }
@@ -6,15 +6,10 @@ namespace CryptoExchange.Net.Objects.Options
    /// <summary>
    /// Library options
    /// </summary>
-    /// <typeparam name="TRestOptions"></typeparam>
-    /// <typeparam name="TSocketOptions"></typeparam>
-    /// <typeparam name="TApiCredentials"></typeparam>
-    /// <typeparam name="TEnvironment"></typeparam>
-    public class LibraryOptions<TRestOptions, TSocketOptions, TApiCredentials, TEnvironment>
-        where TRestOptions: RestExchangeOptions, new()
-        where TSocketOptions: SocketExchangeOptions, new()
-        where TApiCredentials: ApiCredentials
-        where TEnvironment: TradeEnvironment
+    public class LibraryOptions<TRestOptions, TSocketOptions, TEnvironment>
+        where TRestOptions : RestExchangeOptions<TEnvironment>, new()
+        where TSocketOptions : SocketExchangeOptions<TEnvironment>, new()
+        where TEnvironment : TradeEnvironment
    {
        /// <summary>
        /// Rest client options
@@ -31,11 +26,6 @@ namespace CryptoExchange.Net.Objects.Options
        /// </summary>
        public TEnvironment? Environment { get; set; }

-        /// <summary>
-        /// The api credentials used for signing requests.
-        /// </summary>
-        public TApiCredentials? ApiCredentials { get; set; }
-
        /// <summary>
        /// The DI service lifetime for the socket client
        /// </summary>
@@ -44,9 +34,8 @@ namespace CryptoExchange.Net.Objects.Options
        /// <summary>
        /// Copy values from these options to the target options
        /// </summary>
-        public T Set<T>(T targetOptions) where T: LibraryOptions<TRestOptions, TSocketOptions, TApiCredentials, TEnvironment>
+        public T Set<T>(T targetOptions) where T : LibraryOptions<TRestOptions, TSocketOptions, TEnvironment>
        {
-            targetOptions.ApiCredentials = (TApiCredentials?)ApiCredentials?.Copy();
            targetOptions.Environment = Environment;
            targetOptions.SocketClientLifeTime = SocketClientLifeTime;
            targetOptions.Rest = Rest.Set(targetOptions.Rest);
@@ -55,4 +44,29 @@ namespace CryptoExchange.Net.Objects.Options
            return targetOptions;
        }
    }
+
+    /// <summary>
+    /// Library options
+    /// </summary>
+    public class LibraryOptions<TRestOptions, TSocketOptions, TApiCredentials, TEnvironment> : LibraryOptions<TRestOptions, TSocketOptions, TEnvironment>
+        where TRestOptions: RestExchangeOptions<TEnvironment, TApiCredentials>, new()
+        where TSocketOptions: SocketExchangeOptions<TEnvironment, TApiCredentials>, new()
+        where TApiCredentials: ApiCredentials
+        where TEnvironment: TradeEnvironment
+    {
+        /// <summary>
+        /// The api credentials used for signing requests.
+        /// </summary>
+        public TApiCredentials? ApiCredentials { get; set; }
+
+        /// <summary>
+        /// Copy values from these options to the target options
+        /// </summary>
+        public new T Set<T>(T targetOptions) where T: LibraryOptions<TRestOptions, TSocketOptions, TApiCredentials, TEnvironment>
+        {
+            targetOptions = base.Set(targetOptions);
+            targetOptions.ApiCredentials = (TApiCredentials?)ApiCredentials?.Copy();
+            return targetOptions;
+        }
+    }
 }
@@ -8,11 +8,6 @@ namespace CryptoExchange.Net.Objects.Options
    /// </summary>
    public class RestApiOptions : ApiOptions
    {
-        /// <summary>
-        /// Whether or not to automatically sync the local time with the server time
-        /// </summary>
-        public bool? AutoTimestamp { get; set; }
-
        /// <summary>
        /// How often the timestamp adjustment between client and server is recalculated. If you need a very small TimeSpan here you're probably better of syncing your server time more often
        /// </summary>
@@ -23,27 +18,10 @@ namespace CryptoExchange.Net.Objects.Options
        /// </summary>
        public T Set<T>(T item) where T : RestApiOptions, new()
        {
-            item.ApiCredentials = ApiCredentials?.Copy();
            item.OutputOriginalData = OutputOriginalData;
            item.AutoTimestamp = AutoTimestamp;
            item.TimestampRecalculationInterval = TimestampRecalculationInterval;
            return item;
        }
    }
-
-    /// <summary>
-    /// Http API options
-    /// </summary>
-    /// <typeparam name="TApiCredentials"></typeparam>
-    public class RestApiOptions<TApiCredentials>: RestApiOptions where TApiCredentials: ApiCredentials
-    {
-        /// <summary>
-        /// The api credentials used for signing requests to this API.
-        /// </summary>
-        public new TApiCredentials? ApiCredentials
-        {
-            get => (TApiCredentials?)base.ApiCredentials;
-            set => base.ApiCredentials = value;
-        }
-    }
 }
@@ -6,12 +6,8 @@ namespace CryptoExchange.Net.Objects.Options
    /// <summary>
    /// Options for a rest exchange client
    /// </summary>
-    public class RestExchangeOptions: ExchangeOptions
+    public class RestExchangeOptions : ExchangeOptions
    {
-        /// <summary>
-        /// Whether or not to automatically sync the local time with the server time
-        /// </summary>
-        public bool AutoTimestamp { get; set; }

        /// <summary>
        /// How often the timestamp adjustment between client and server is recalculated. If you need a very small TimeSpan here you're probably better of syncing your server time more often
@@ -37,10 +33,29 @@ namespace CryptoExchange.Net.Objects.Options
 #else
            = new Version(1, 1);
 #endif
+
        /// <summary>
-        /// Http client keep alive interval for keeping connections open
+        /// Http client keep alive interval for keeping connections open. Only applied when using dotnet8.0 or higher and dependency injection
        /// </summary>
        public TimeSpan? HttpKeepAliveInterval { get; set; } = TimeSpan.FromSeconds(15);
+#if NET5_0_OR_GREATER
+        /// <summary>
+        /// Enable multiple simultaneous HTTP 2 connections. Only applied when using dependency injection
+        /// </summary>
+        public bool HttpEnableMultipleHttp2Connections { get; set; } = false;
+        /// <summary>
+        /// Lifetime of pooled HTTP connections; the time before a connection is recreated. Only applied when using dependency injection
+        /// </summary>
+        public TimeSpan HttpPooledConnectionLifetime { get; set; } = TimeSpan.FromMinutes(15);
+        /// <summary>
+        /// Idle timeout of pooled HTTP connections; the time before an open connection is closed when there are no requests. Only applied when using dependency injection
+        /// </summary>
+        public TimeSpan HttpPooledConnectionIdleTimeout { get; set; } = TimeSpan.FromMinutes(2);
+        /// <summary>
+        /// Max number of connections per server. Only applied when using dependency injection
+        /// </summary>
+        public int HttpMaxConnectionsPerServer { get; set; } = int.MaxValue;
+#endif 

        /// <summary>
        /// Set the values of this options on the target options
@@ -50,7 +65,6 @@ namespace CryptoExchange.Net.Objects.Options
            item.OutputOriginalData = OutputOriginalData;
            item.AutoTimestamp = AutoTimestamp;
            item.TimestampRecalculationInterval = TimestampRecalculationInterval;
-            item.ApiCredentials = ApiCredentials?.Copy();
            item.Proxy = Proxy;
            item.RequestTimeout = RequestTimeout;
            item.RateLimiterEnabled = RateLimiterEnabled;
@@ -59,15 +73,19 @@ namespace CryptoExchange.Net.Objects.Options
            item.CachingMaxAge = CachingMaxAge;
            item.HttpVersion = HttpVersion;
            item.HttpKeepAliveInterval = HttpKeepAliveInterval;
+#if NET5_0_OR_GREATER
+            item.HttpMaxConnectionsPerServer = HttpMaxConnectionsPerServer;
+            item.HttpPooledConnectionLifetime = HttpPooledConnectionLifetime;
+            item.HttpPooledConnectionIdleTimeout = HttpPooledConnectionIdleTimeout;
+            item.HttpEnableMultipleHttp2Connections = HttpEnableMultipleHttp2Connections;
+#endif
            return item;
        }
    }

-    /// <summary>
-    /// Options for a rest exchange client
-    /// </summary>
-    /// <typeparam name="TEnvironment"></typeparam>
-    public class RestExchangeOptions<TEnvironment> : RestExchangeOptions where TEnvironment : TradeEnvironment
+    /// <inheritdoc />
+    public class RestExchangeOptions<TEnvironment> : RestExchangeOptions
+        where TEnvironment : TradeEnvironment
    {
        /// <summary>
        /// Trade environment. Contains info about URL's to use to connect to the API. To swap environment select another environment for
@@ -88,20 +106,32 @@ namespace CryptoExchange.Net.Objects.Options
        }
    }

-    /// <summary>
-    /// Options for a rest exchange client
-    /// </summary>
-    /// <typeparam name="TEnvironment"></typeparam>
-    /// <typeparam name="TApiCredentials"></typeparam>
-    public class RestExchangeOptions<TEnvironment, TApiCredentials> : RestExchangeOptions<TEnvironment> where TEnvironment : TradeEnvironment where TApiCredentials : ApiCredentials
+    /// <inheritdoc />
+    public class RestExchangeOptions<TEnvironment, TApiCredentials> : RestExchangeOptions<TEnvironment>
+        where TEnvironment : TradeEnvironment
+        where TApiCredentials : ApiCredentials
    {
+
        /// <summary>
        /// The api credentials used for signing requests to this API.
        /// </summary>        
-        public new TApiCredentials? ApiCredentials
+        public TApiCredentials? ApiCredentials { get; set; }
+
+        /// <summary>
+        /// Set the values of this options on the target options
+        /// </summary>
+        public new T Set<T>(T item) where T : RestExchangeOptions<TEnvironment, TApiCredentials>, new()
        {
-            get => (TApiCredentials?)base.ApiCredentials;
-            set => base.ApiCredentials = value;
+            base.Set(item);
+            item.ApiCredentials = (TApiCredentials?)ApiCredentials?.Copy();
+            return item;
        }
+
+        /// <inheritdoc />
+        public override string ToString()
+        {
+            return $"{base.ToString()}, ApiCredentials: {(ApiCredentials == null ? "-" : "set")}";
+        }
+
    }
 }
@@ -24,27 +24,11 @@ namespace CryptoExchange.Net.Objects.Options
        /// </summary>
        public T Set<T>(T item) where T : SocketApiOptions, new()
        {
-            item.ApiCredentials = ApiCredentials?.Copy();
            item.OutputOriginalData = OutputOriginalData;
            item.SocketNoDataTimeout = SocketNoDataTimeout;
+            item.AutoTimestamp = AutoTimestamp;
            item.MaxSocketConnections = MaxSocketConnections;
            return item;
        }
    }
-
-    /// <summary>
-    /// Socket API options
-    /// </summary>
-    /// <typeparam name="TApiCredentials"></typeparam>
-    public class SocketApiOptions<TApiCredentials> : SocketApiOptions where TApiCredentials : ApiCredentials
-    {
-        /// <summary>
-        /// The api credentials used for signing requests to this API.
-        /// </summary>        
-        public new TApiCredentials? ApiCredentials
-        {
-            get => (TApiCredentials?)base.ApiCredentials;
-            set => base.ApiCredentials = value;
-        }
-    }
 }
@@ -76,9 +76,13 @@ namespace CryptoExchange.Net.Objects.Options
        public int? ReceiveBufferSize { get; set; }

        /// <summary>
-        /// Whether or not to use the updated deserialization logic, default is true
+        /// ctor
        /// </summary>
-        public bool UseUpdatedDeserialization { get; set; } = true;
+        public SocketExchangeOptions()
+        {
+            // Enable auto timestamping by default for sockets
+            AutoTimestamp = true;
+        }

        /// <summary>
        /// Create a copy of this options
@@ -87,7 +91,7 @@ namespace CryptoExchange.Net.Objects.Options
        /// <returns></returns>
        public T Set<T>(T item) where T : SocketExchangeOptions, new()
        {
-            item.ApiCredentials = ApiCredentials?.Copy();
+            item.AutoTimestamp = AutoTimestamp;
            item.OutputOriginalData = OutputOriginalData;
            item.ReconnectPolicy = ReconnectPolicy;
            item.DelayAfterConnect = DelayAfterConnect;
@@ -101,17 +105,15 @@ namespace CryptoExchange.Net.Objects.Options
            item.RateLimitingBehaviour = RateLimitingBehaviour;
            item.RateLimiterEnabled = RateLimiterEnabled;
            item.ReceiveBufferSize = ReceiveBufferSize;
-            item.UseUpdatedDeserialization = UseUpdatedDeserialization;
            return item;
        }
    }

-    /// <summary>
-    /// Options for a socket exchange client
-    /// </summary>
-    /// <typeparam name="TEnvironment"></typeparam>
-    public class SocketExchangeOptions<TEnvironment> : SocketExchangeOptions where TEnvironment : TradeEnvironment
+    /// <inheritdoc />
+    public class SocketExchangeOptions<TEnvironment> : SocketExchangeOptions
+        where TEnvironment : TradeEnvironment
    {
+
        /// <summary>
        /// Trade environment. Contains info about URL's to use to connect to the API. To swap environment select another environment for
        /// the exchange's environment list or create a custom environment using either `[Exchange]Environment.CreateCustom()` or `[Exchange]Environment.[Environment]`, for example `KucoinEnvironment.TestNet` or `BinanceEnvironment.Live`
@@ -134,17 +136,29 @@ namespace CryptoExchange.Net.Objects.Options
    /// <summary>
    /// Options for a socket exchange client
    /// </summary>
-    /// <typeparam name="TEnvironment"></typeparam>
-    /// <typeparam name="TApiCredentials"></typeparam>
-    public class SocketExchangeOptions<TEnvironment, TApiCredentials> : SocketExchangeOptions<TEnvironment> where TEnvironment : TradeEnvironment where TApiCredentials : ApiCredentials
+    public class SocketExchangeOptions<TEnvironment, TApiCredentials> : SocketExchangeOptions<TEnvironment>
+        where TEnvironment : TradeEnvironment
+        where TApiCredentials : ApiCredentials
    {
        /// <summary>
        /// The api credentials used for signing requests to this API.
        /// </summary>        
-        public new TApiCredentials? ApiCredentials
+        public TApiCredentials? ApiCredentials { get; set; }
+
+        /// <summary>
+        /// Set the values of this options on the target options
+        /// </summary>
+        public new T Set<T>(T item) where T : SocketExchangeOptions<TEnvironment, TApiCredentials>, new()
        {
-            get => (TApiCredentials?)base.ApiCredentials;
-            set => base.ApiCredentials = value;
+            base.Set(item);
+            item.ApiCredentials = (TApiCredentials?)ApiCredentials?.Copy();
+            return item;
+        }
+
+        /// <inheritdoc />
+        public override string ToString()
+        {
+            return $"{base.ToString()}, ApiCredentials: {(ApiCredentials == null ? "-" : "set")}";
        }
    }
 }
@@ -6,22 +6,27 @@ namespace CryptoExchange.Net.Objects.Options
    /// <summary>
    /// Options to update
    /// </summary>
-    public class UpdateOptions<T> where T : ApiCredentials
+    public class UpdateOptions
    {
        /// <summary>
        /// Proxy setting. Note that if this is not provided any previously set proxy will be reset
        /// </summary>
        public ApiProxy? Proxy { get; set; }
        /// <summary>
-        /// Api credentials
-        /// </summary>
-        public T? ApiCredentials { get; set; }
-        /// <summary>
        /// Request timeout
        /// </summary>
        public TimeSpan? RequestTimeout { get; set; }
    }

-    /// <inheritdoc />
-    public class UpdateOptions : UpdateOptions<ApiCredentials> { }
+    /// <summary>
+    /// Options to update
+    /// </summary>
+    public class UpdateOptions<TApiCredentials>: UpdateOptions
+        where TApiCredentials : ApiCredentials
+    {
+        /// <summary>
+        /// Api credentials
+        /// </summary>
+        public TApiCredentials? ApiCredentials { get; set; }
+    }
 }
@@ -96,6 +96,23 @@ namespace CryptoExchange.Net.Objects
                base.Add(key, value.Value.ToString(CultureInfo.InvariantCulture));
        }

+        /// <summary>
+        /// Add a DateTime value as string
+        /// </summary>
+        public void AddString(string key, DateTime value)
+        {
+            base.Add(key, value.ToString("yyyy-MM-ddTHH:mm:ssZ"));
+        }
+
+        /// <summary>
+        /// Add a DateTime value as string. Not added if value is null
+        /// </summary>
+        public void AddOptionalString(string key, DateTime? value)
+        {
+            if (value != null)
+                base.Add(key, value.Value.ToString("yyyy-MM-ddTHH:mm:ssZ"));
+        }
+
        /// <summary>
        /// Add a datetime value as milliseconds timestamp
        /// </summary>
@@ -241,6 +258,45 @@ namespace CryptoExchange.Net.Objects
                base.Add(key, int.Parse(stringVal));
            }
        }
+        
+        /// <summary>
+        /// Add key as comma separated values
+        /// </summary>
+        public void AddCommaSeparated(string key, IEnumerable<string> values)
+        {
+            base.Add(key, string.Join(",", values));
+        }
+
+        /// <summary>
+        /// Add key as comma separated values if there are values provided
+        /// </summary>
+        public void AddOptionalCommaSeparated(string key, IEnumerable<string>? values)
+        {
+            if (values == null || !values.Any())
+                return;
+
+            base.Add(key, string.Join(",", values));
+        }
+
+        /// <summary>
+        /// Add key as boolean lower case value
+        /// </summary>
+        public void AddBoolString(string key, bool value)
+        {
+            base.Add(key, value.ToString().ToLower());
+        }
+
+        /// <summary>
+        /// Add key as boolean lower case value if it's not null
+        /// </summary>
+        public void AddOptionalBoolString(string key, bool? value)
+        {
+            if (value == null)
+                return;
+
+            base.Add(key, value.ToString()!.ToLower());
+        }
+

        /// <summary>
        /// Set the request body. Can be used to specify a simple value or array as the body instead of an object
@@ -0,0 +1,51 @@
+namespace CryptoExchange.Net.Objects
+{
+    /// <summary>
+    /// Information on the platform
+    /// </summary>
+    public record PlatformInfo
+    {
+        /// <summary>
+        /// Platform id
+        /// </summary>
+        public string Id { get; }
+        /// <summary>
+        /// Display name
+        /// </summary>
+        public string DisplayName { get; }
+        /// <summary>
+        /// Logo
+        /// </summary>
+        public string Logo { get; }
+        /// <summary>
+        /// Url to main application
+        /// </summary>
+        public string Url { get; }
+        /// <summary>
+        /// Urls to the API documentation
+        /// </summary>
+        public string[] ApiDocsUrl { get; }
+        /// <summary>
+        /// Platform type
+        /// </summary>
+        public PlatformType PlatformType { get; }
+        /// <summary>
+        /// Centralization type
+        /// </summary>
+        public CentralizationType CentralizationType { get; }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public PlatformInfo(string id, string displayName, string logo, string url, string[] apiDocsUrl, PlatformType platformType, CentralizationType centralizationType)
+        {
+            Id = id;
+            DisplayName = displayName;
+            Logo = logo;
+            Url = url;
+            ApiDocsUrl = apiDocsUrl;
+            PlatformType = platformType;
+            CentralizationType = centralizationType;
+        }
+    }
+}
@@ -72,6 +72,11 @@ namespace CryptoExchange.Net.Objects
        /// </summary>
        public int? ConnectionId { get; set; }

+        /// <summary>
+        /// Whether the endpoint path should always include the trailing `/`
+        /// </summary>
+        public bool? ForcePathEndWithSlash { get; set; }
+
        /// <summary>
        /// ctor
        /// </summary>
@@ -47,6 +47,7 @@ namespace CryptoExchange.Net.Objects
        /// <param name="arraySerialization">Array serialization type</param>
        /// <param name="preventCaching">Prevent request caching</param>
        /// <param name="tryParseOnNonSuccess">Try parse the response even when status is not success</param>
+        /// <param name="forcePathEndWithSlash">Force trailing `/`</param>
        /// <returns></returns>
        public RequestDefinition GetOrCreate(
            HttpMethod method,
@@ -59,8 +60,9 @@ namespace CryptoExchange.Net.Objects
            HttpMethodParameterPosition? parameterPosition = null,
            ArrayParametersSerialization? arraySerialization = null,
            bool? preventCaching = null,
-            bool? tryParseOnNonSuccess = null)
-            => GetOrCreate(method + path, method, path, rateLimitGate, weight, authenticated, limitGuard, requestBodyFormat, parameterPosition, arraySerialization, preventCaching, tryParseOnNonSuccess);
+            bool? tryParseOnNonSuccess = null,
+            bool? forcePathEndWithSlash = null)
+            => GetOrCreate(method + path, method, path, rateLimitGate, weight, authenticated, limitGuard, requestBodyFormat, parameterPosition, arraySerialization, preventCaching, tryParseOnNonSuccess, forcePathEndWithSlash);

        /// <summary>
        /// Get a definition if it is already in the cache or create a new definition and add it to the cache
@@ -77,6 +79,7 @@ namespace CryptoExchange.Net.Objects
        /// <param name="arraySerialization">Array serialization type</param>
        /// <param name="preventCaching">Prevent request caching</param>
        /// <param name="tryParseOnNonSuccess">Try parse the response even when status is not success</param>
+        /// <param name="forcePathEndWithSlash">Force trailing `/`</param>
        /// <returns></returns>
        public RequestDefinition GetOrCreate(
            string identifier,
@@ -90,7 +93,8 @@ namespace CryptoExchange.Net.Objects
            HttpMethodParameterPosition? parameterPosition = null,
            ArrayParametersSerialization? arraySerialization = null,
            bool? preventCaching = null,
-            bool? tryParseOnNonSuccess = null)
+            bool? tryParseOnNonSuccess = null,
+            bool? forcePathEndWithSlash = null)
        {

            if (!_definitions.TryGetValue(identifier, out var def))
@@ -105,7 +109,8 @@ namespace CryptoExchange.Net.Objects
                    RequestBodyFormat = requestBodyFormat,
                    ParameterPosition = parameterPosition,
                    PreventCaching = preventCaching ?? false,
-                    TryParseOnNonSuccess = tryParseOnNonSuccess ?? false
+                    TryParseOnNonSuccess = tryParseOnNonSuccess ?? false,
+                    ForcePathEndWithSlash = forcePathEndWithSlash ?? false
                };
                _definitions.TryAdd(identifier, def);
            }
@@ -170,6 +170,6 @@ namespace CryptoExchange.Net.Objects.Sockets
        }

        /// <inheritdoc />
-        public override string ToString() => base.ToString().TrimEnd('-') + Data?.ToString();
+        public override string ToString() => base.ToString().TrimEnd(' ', '-') + " - " + Data?.ToString();
    }
 }
@@ -109,6 +109,21 @@ namespace CryptoExchange.Net.Objects.Sockets
        /// </summary>
        public int Id => _subscription.Id;

+        /// <summary>
+        /// The last timestamp anything was received from the server
+        /// </summary>
+        public DateTime? LastReceiveTime => _connection.LastReceiveTime;
+
+        /// <summary>
+        /// The current websocket status
+        /// </summary>
+        public SocketStatus SocketStatus => _connection.Status;
+
+        /// <summary>
+        /// The current subscription status
+        /// </summary>
+        public SubscriptionStatus SubscriptionStatus => _subscription.Status;
+
        /// <summary>
        /// ctor
        /// </summary>
@@ -73,11 +73,6 @@ namespace CryptoExchange.Net.Objects.Sockets
        /// The buffer size to use for receiving data
        /// </summary>
        public int? ReceiveBufferSize { get; set; } = null;
-        
-        /// <summary>
-        /// Whether or not to use the updated deserialization logic
-        /// </summary>
-        public bool UseUpdatedDeserialization { get; set; }

        /// <summary>
        /// ctor
@@ -332,7 +332,6 @@ namespace CryptoExchange.Net.OrderBook
        public async Task StopAsync()
        {
            _logger.OrderBookStopping(Api, Symbol);
-            Status = OrderBookStatus.Disconnected;
            _cts?.Cancel();
            _queueEvent.Set();
            if (_processTask != null)
@@ -345,6 +344,7 @@ namespace CryptoExchange.Net.OrderBook
                _subscription.ConnectionRestored -= HandleConnectionRestored;
            }

+            Status = OrderBookStatus.Disconnected;
            _logger.OrderBookStopped(Api, Symbol);
        }

@@ -448,6 +448,9 @@ namespace CryptoExchange.Net.OrderBook
            DateTime? serverDataTime = null,
            DateTime? localDataTime = null)
        {
+            if (Status == OrderBookStatus.Disposed || Status == OrderBookStatus.Disconnected)
+                throw new InvalidOperationException("Trying to set snapshot while book is not working");
+
            _processQueue.Enqueue(
                new OrderBookSnapshot
                {
@@ -475,6 +478,9 @@ namespace CryptoExchange.Net.OrderBook
            DateTime? serverDataTime = null,
            DateTime? localDataTime = null)
        {
+            if (Status == OrderBookStatus.Disposed || Status == OrderBookStatus.Disconnected)
+                throw new InvalidOperationException("Trying to update order book while book is not working");
+
            _processQueue.Enqueue(
                new OrderBookUpdate
                { 
@@ -505,6 +511,9 @@ namespace CryptoExchange.Net.OrderBook
            DateTime? serverDataTime = null,
            DateTime? localDataTime = null)
        {
+            if (Status == OrderBookStatus.Disposed || Status == OrderBookStatus.Disconnected)
+                throw new InvalidOperationException("Trying to update order book while book is not working");
+
            _processQueue.Enqueue(
                new OrderBookUpdate
                {
@@ -531,6 +540,9 @@ namespace CryptoExchange.Net.OrderBook
            DateTime? serverDataTime = null,
            DateTime? localDataTime = null)
        {
+            if (Status == OrderBookStatus.Disposed || Status == OrderBookStatus.Disconnected)
+                throw new InvalidOperationException("Trying to update order book while book is not working");
+
            var highest = Math.Max(bids.Any() ? bids.Max(b => b.Sequence) : 0, asks.Any() ? asks.Max(a => a.Sequence) : 0);
            var lowest = Math.Min(bids.Any() ? bids.Min(b => b.Sequence) : long.MaxValue, asks.Any() ? asks.Min(a => a.Sequence) : long.MaxValue);

@@ -554,6 +566,9 @@ namespace CryptoExchange.Net.OrderBook
        /// <param name="sequenceNumber">The sequence number of the message if it's a separate message with separate number</param>
        protected void AddChecksum(int checksum, long? sequenceNumber = null)
        {
+            if (Status == OrderBookStatus.Disposed || Status == OrderBookStatus.Disconnected)
+                throw new InvalidOperationException("Trying to add checksum while book is not working");
+
            _processQueue.Enqueue(new OrderBookChecksum() { Checksum = checksum, SequenceNumber = sequenceNumber });
            _queueEvent.Set();
        }
@@ -640,6 +655,42 @@ namespace CryptoExchange.Net.OrderBook
            return new CallResult<bool>(true);
        }

+        /// <summary>
+        /// Wait until an update has been buffered
+        /// </summary>
+        /// <param name="minWait">Min wait time</param>
+        /// <param name="maxWait">Max wait time</param>
+        /// <param name="ct">Cancellation token</param>
+        /// <returns></returns>
+        protected async Task<CallResult> WaitUntilFirstUpdateBufferedAsync(TimeSpan? minWait, TimeSpan maxWait, CancellationToken ct)
+        {
+            var startWait = DateTime.UtcNow;
+            while (_processBuffer.Count == 0)
+            {
+                if (ct.IsCancellationRequested)
+                    return new CallResult(new CancellationRequestedError());
+
+                if (DateTime.UtcNow - startWait > maxWait)
+                    return new CallResult(new ServerError(new ErrorInfo(ErrorType.OrderBookTimeout, "Timeout while waiting for data")));
+
+                try
+                {
+                    await Task.Delay(20, ct).ConfigureAwait(false);
+                }
+                catch (OperationCanceledException)
+                { }
+            }
+
+            if (minWait != null)
+            {
+                var dif = DateTime.UtcNow - startWait;
+                if (dif < minWait)
+                    await Task.Delay(minWait.Value - dif).ConfigureAwait(false);
+            }
+
+            return CallResult.SuccessResult;
+        }
+
        /// <summary>
        /// IDisposable implementation for the order book
        /// </summary>
@@ -1002,7 +1053,8 @@ namespace CryptoExchange.Net.OrderBook

        private SequenceNumberResult ValidateLiveSequenceNumber(long sequenceNumber)
        {
-            if (sequenceNumber < LastSequenceNumber)
+            if (sequenceNumber < LastSequenceNumber 
+                && (_firstUpdateAfterSnapshotDone || !_skipSequenceCheckFirstUpdateAfterSnapshotSet))
                // Update is somehow from before the current state
                return SequenceNumberResult.OutOfSync;

@@ -17,11 +17,11 @@ namespace CryptoExchange.Net.RateLimiting.Filters
        /// <param name="path"></param>
        public PathStartFilter(string path)
        {
-            _path = path;
+            _path = path.TrimStart('/');
        }

        /// <inheritdoc />
        public bool Passes(RateLimitItemType type, RequestDefinition definition, string host, string? apiKey)
-            => definition.Path.StartsWith(_path, StringComparison.OrdinalIgnoreCase);
+            => definition.Path.TrimStart('/').StartsWith(_path, StringComparison.OrdinalIgnoreCase);
    }
 }
@@ -19,9 +19,6 @@ namespace CryptoExchange.Net.Requests
        /// <summary>
        /// Create request object for web request
        /// </summary>
-        /// <param name="request"></param>
-        /// <param name="client"></param>        
-        /// <param name="requestId"></param>        
        public Request(HttpRequestMessage request, HttpClient client, int requestId)
        {
            _httpClient = client;
@@ -55,10 +52,12 @@ namespace CryptoExchange.Net.Requests
        public int RequestId { get; }

        /// <inheritdoc />
-        public void SetContent(string data, string contentType)
+        public void SetContent(string data, Encoding? encoding, string contentType)
        {
            Content = data;
-            _request.Content = new StringContent(data, Encoding.UTF8, contentType);
+            _request.Content = new StringContent(data, encoding ?? Encoding.UTF8, contentType);
+            if (encoding == null)
+                _request.Content.Headers.ContentType!.CharSet = null;
        }

        /// <inheritdoc />
@@ -1,5 +1,6 @@
 using System;
 using System.Net.Http;
+using CryptoExchange.Net.Authentication;
 using CryptoExchange.Net.Interfaces;
 using CryptoExchange.Net.Objects;
 using CryptoExchange.Net.Objects.Options;
@@ -12,14 +13,16 @@ namespace CryptoExchange.Net.Requests
    public class RequestFactory : IRequestFactory
    {
        private HttpClient? _httpClient;
+        private RestExchangeOptions? _options;

        /// <inheritdoc />
        public void Configure(RestExchangeOptions options, HttpClient? client = null)
        {
            if (client == null)
-                client = CreateClient(options.Proxy, options.RequestTimeout, options.HttpKeepAliveInterval);
+                client = CreateClient(options);

            _httpClient = client;
+            _options = options;
        }

        /// <inheritdoc />
@@ -39,15 +42,20 @@ namespace CryptoExchange.Net.Requests
        /// <inheritdoc />
        public void UpdateSettings(ApiProxy? proxy, TimeSpan requestTimeout, TimeSpan? httpKeepAliveInterval)
        {
-            _httpClient = CreateClient(proxy, requestTimeout, httpKeepAliveInterval);
+            var newOptions = new RestExchangeOptions();
+            _options!.Set(newOptions);
+            newOptions.Proxy = proxy;
+            newOptions.RequestTimeout = requestTimeout;
+            newOptions.HttpKeepAliveInterval = httpKeepAliveInterval;
+            _httpClient = CreateClient(newOptions);
        }

-        private static HttpClient CreateClient(ApiProxy? proxy, TimeSpan requestTimeout, TimeSpan? httpKeepAliveInterval)
+        private static HttpClient CreateClient(RestExchangeOptions options)
        {
-            var handler = LibraryHelpers.CreateHttpClientMessageHandler(proxy, httpKeepAliveInterval);
+            var handler = LibraryHelpers.CreateHttpClientMessageHandler(options);
            var client = new HttpClient(handler)
            {
-                Timeout = requestTimeout                
+                Timeout = options.RequestTimeout
            };
            return client;
        }
@@ -16,6 +16,11 @@
        /// <summary>
        /// Order has been canceled
        /// </summary>
-        Canceled
+        Canceled,
+
+        /// <summary>
+        /// Unknown/unmapped status
+        /// </summary>
+        Unknown
    }
 }
@@ -0,0 +1,26 @@
+namespace CryptoExchange.Net.SharedApis
+{
+    /// <summary>
+    /// Transfer status
+    /// </summary>
+    public enum SharedTransferStatus
+    {
+        /// <summary>
+        /// In progress
+        /// </summary>
+        InProgress,
+        /// <summary>
+        /// Failed
+        /// </summary>
+        Failed,
+        /// <summary>
+        /// Completed
+        /// </summary>
+        Completed,
+
+        /// <summary>
+        /// Unknown/unmapped status
+        /// </summary>
+        Unknown
+    }
+}
@@ -20,6 +20,11 @@
        /// <summary>
        /// Trigger order has been triggered. Resulting order might be filled or not.
        /// </summary>
-        Triggered
+        Triggered,
+
+        /// <summary>
+        /// Unknown/unmapped status
+        /// </summary>
+        Unknown
    }
 }
@@ -1,111 +0,0 @@
-using System;
-
-namespace CryptoExchange.Net.SharedApis
-{
-    /// <summary>
-    /// A token which a request can use to retrieve the next page if there are more pages in the result set
-    /// </summary>
-    public interface INextPageToken
-    {
-    }
-
-    /// <summary>
-    /// A datetime offset token
-    /// </summary>
-    public record DateTimeToken: INextPageToken
-    {
-        /// <summary>
-        /// Last result time
-        /// </summary>
-        public DateTime LastTime { get; set; }
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public DateTimeToken(DateTime timestamp)
-        {
-            LastTime = timestamp;
-        }
-    }
-
-    /// <summary>
-    /// A current page index token
-    /// </summary>
-    public record PageToken: INextPageToken
-    {
-        /// <summary>
-        /// The next page index
-        /// </summary>
-        public int Page { get; set; }
-        /// <summary>
-        /// Page size
-        /// </summary>
-        public int PageSize { get; set; }
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public PageToken(int page, int pageSize)
-        {
-            Page = page;
-            PageSize = pageSize;
-        }
-    }
-
-    /// <summary>
-    /// A id offset token
-    /// </summary>
-    public record FromIdToken : INextPageToken
-    {
-        /// <summary>
-        /// The last id from previous result
-        /// </summary>
-        public string FromToken { get; set; }
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public FromIdToken(string fromToken)
-        {
-            FromToken = fromToken;
-        }
-    }
-
-    /// <summary>
-    /// A cursor token
-    /// </summary>
-    public record CursorToken : INextPageToken
-    {
-        /// <summary>
-        /// The next page cursor
-        /// </summary>
-        public string Cursor { get; set; }
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public CursorToken(string cursor)
-        {
-            Cursor = cursor;
-        }
-    }
-
-    /// <summary>
-    /// A result offset token
-    /// </summary>
-    public record OffsetToken : INextPageToken
-    {
-        /// <summary>
-        /// Offset in the result set
-        /// </summary>
-        public int Offset { get; set; }
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public OffsetToken(int offset)
-        {
-            Offset = offset;
-        }
-    }
-}
@@ -16,8 +16,8 @@ namespace CryptoExchange.Net.SharedApis
        /// Get funding rate records
        /// </summary>
        /// <param name="request">Request info</param>
-        /// <param name="nextPageToken">The pagination token from the previous request to continue pagination</param>
+        /// <param name="nextPageToken">The pagination request from the previous request result `NextPageRequest` property to continue pagination</param>
        /// <param name="ct">Cancellation token</param>
-        Task<ExchangeWebResult<SharedFundingRate[]>> GetFundingRateHistoryAsync(GetFundingRateHistoryRequest request, INextPageToken? nextPageToken = null, CancellationToken ct = default);
+        Task<ExchangeWebResult<SharedFundingRate[]>> GetFundingRateHistoryAsync(GetFundingRateHistoryRequest request, PageRequest? nextPageToken = null, CancellationToken ct = default);
    }
 }
@@ -73,14 +73,14 @@ namespace CryptoExchange.Net.SharedApis
        /// <summary>
        /// Spot get closed orders request options
        /// </summary>
-        PaginatedEndpointOptions<GetClosedOrdersRequest> GetClosedFuturesOrdersOptions { get; }
+        GetClosedOrdersOptions GetClosedFuturesOrdersOptions { get; }
        /// <summary>
        /// Get info on closed futures orders
        /// </summary>
        /// <param name="request">Request info</param>
-        /// <param name="nextPageToken">The pagination token from the previous request to continue pagination</param>
+        /// <param name="nextPageToken">The pagination request from the previous request result `NextPageRequest` property to continue pagination</param>
        /// <param name="ct">Cancellation token</param>
-        Task<ExchangeWebResult<SharedFuturesOrder[]>> GetClosedFuturesOrdersAsync(GetClosedOrdersRequest request, INextPageToken? nextPageToken = null, CancellationToken ct = default);
+        Task<ExchangeWebResult<SharedFuturesOrder[]>> GetClosedFuturesOrdersAsync(GetClosedOrdersRequest request, PageRequest? nextPageToken = null, CancellationToken ct = default);

        /// <summary>
        /// Futures get order trades request options
@@ -96,14 +96,14 @@ namespace CryptoExchange.Net.SharedApis
        /// <summary>
        /// Futures user trades request options
        /// </summary>
-        PaginatedEndpointOptions<GetUserTradesRequest> GetFuturesUserTradesOptions { get; }
+        GetUserTradesOptions GetFuturesUserTradesOptions { get; }
        /// <summary>
        /// Get futures user trade records
        /// </summary>
        /// <param name="request">Request info</param>
-        /// <param name="nextPageToken">The pagination token from the previous request to continue pagination</param>
+        /// <param name="nextPageToken">The pagination request from the previous request result `NextPageRequest` property to continue pagination</param>
        /// <param name="ct">Cancellation token</param>
-        Task<ExchangeWebResult<SharedUserTrade[]>> GetFuturesUserTradesAsync(GetUserTradesRequest request, INextPageToken? nextPageToken = null, CancellationToken ct = default);
+        Task<ExchangeWebResult<SharedUserTrade[]>> GetFuturesUserTradesAsync(GetUserTradesRequest request, PageRequest? nextPageToken = null, CancellationToken ct = default);

        /// <summary>
        /// Futures cancel order request options
@@ -12,6 +12,25 @@ namespace CryptoExchange.Net.SharedApis
        /// Futures symbol request options
        /// </summary>
        EndpointOptions<GetSymbolsRequest> GetFuturesSymbolsOptions { get; }
+
+        /// <summary>
+        /// Get all futures symbols for a specific base asset
+        /// </summary>
+        /// <param name="baseAsset">Asset, for example `ETH`</param>
+        Task<ExchangeResult<SharedSymbol[]>> GetFuturesSymbolsForBaseAssetAsync(string baseAsset);
+
+        /// <summary>
+        /// Gets whether the client supports a futures symbol
+        /// </summary>
+        /// <param name="symbol">The symbol</param>
+        Task<ExchangeResult<bool>> SupportsFuturesSymbolAsync(SharedSymbol symbol);
+
+        /// <summary>
+        /// Gets whether the client supports a futures symbol
+        /// </summary>
+        /// <param name="symbolName">The symbol name</param>
+        Task<ExchangeResult<bool>> SupportsFuturesSymbolAsync(string symbolName);
+
        /// <summary>
        /// Get info on all futures symbols supported on the exchange
        /// </summary>
@@ -16,8 +16,8 @@ namespace CryptoExchange.Net.SharedApis
        /// Get index price kline/candlestick data
        /// </summary>
        /// <param name="request">Request info</param>
-        /// <param name="nextPageToken">The pagination token from the previous request to continue pagination</param>
+        /// <param name="nextPageToken">The pagination request from the previous request result `NextPageRequest` property to continue pagination</param>
        /// <param name="ct">Cancellation token</param>
-        Task<ExchangeWebResult<SharedFuturesKline[]>> GetIndexPriceKlinesAsync(GetKlinesRequest request, INextPageToken? nextPageToken = null, CancellationToken ct = default);
+        Task<ExchangeWebResult<SharedFuturesKline[]>> GetIndexPriceKlinesAsync(GetKlinesRequest request, PageRequest? nextPageToken = null, CancellationToken ct = default);
    }
 }
@@ -16,8 +16,8 @@ namespace CryptoExchange.Net.SharedApis
        /// Get mark price kline/candlestick data
        /// </summary>
        /// <param name="request">Request info</param>
-        /// <param name="nextPageToken">The pagination token from the previous request to continue pagination</param>
+        /// <param name="nextPageToken">The pagination request from the previous request result `NextPageRequest` property to continue pagination</param>
        /// <param name="ct">Cancellation token</param>
-        Task<ExchangeWebResult<SharedFuturesKline[]>> GetMarkPriceKlinesAsync(GetKlinesRequest request, INextPageToken? nextPageToken = null, CancellationToken ct = default);
+        Task<ExchangeWebResult<SharedFuturesKline[]>> GetMarkPriceKlinesAsync(GetKlinesRequest request, PageRequest? nextPageToken = null, CancellationToken ct = default);
    }
 }
@@ -16,8 +16,8 @@ namespace CryptoExchange.Net.SharedApis
        /// Get position history
        /// </summary>
        /// <param name="request">Request info</param>
-        /// <param name="nextPageToken">The pagination token from the previous request to continue pagination</param>
+        /// <param name="nextPageToken">The pagination request from the previous request result `NextPageRequest` property to continue pagination</param>
        /// <param name="ct">Cancellation token</param>
-        Task<ExchangeWebResult<SharedPositionHistory[]>> GetPositionHistoryAsync(GetPositionHistoryRequest request, INextPageToken? nextPageToken = null, CancellationToken ct = default);
+        Task<ExchangeWebResult<SharedPositionHistory[]>> GetPositionHistoryAsync(GetPositionHistoryRequest request, PageRequest? nextPageToken = null, CancellationToken ct = default);
    }
 }
@@ -30,9 +30,9 @@ namespace CryptoExchange.Net.SharedApis
        /// Get deposit records
        /// </summary>
        /// <param name="request">Request info</param>
-        /// <param name="nextPageToken">The pagination token from the previous request to continue pagination</param>
+        /// <param name="nextPageToken">The pagination request from the previous request result `NextPageRequest` property to continue pagination</param>
        /// <param name="ct">Cancellation token</param>
        /// <returns></returns>
-        Task<ExchangeWebResult<SharedDeposit[]>> GetDepositsAsync(GetDepositsRequest request, INextPageToken? nextPageToken = null, CancellationToken ct = default);
+        Task<ExchangeWebResult<SharedDeposit[]>> GetDepositsAsync(GetDepositsRequest request, PageRequest? nextPageToken = null, CancellationToken ct = default);
    }
 }
@@ -17,9 +17,9 @@ namespace CryptoExchange.Net.SharedApis
        /// Get kline/candlestick data
        /// </summary>
        /// <param name="request">Request info</param>
-        /// <param name="nextPageToken">The pagination token from the previous request to continue pagination</param>
+        /// <param name="nextPageToken">The pagination request from the previous request result `NextPageRequest` property to continue pagination</param>
        /// <param name="ct">Cancellation token</param>
        /// <returns></returns>
-        Task<ExchangeWebResult<SharedKline[]>> GetKlinesAsync(GetKlinesRequest request, INextPageToken? nextPageToken = null, CancellationToken ct = default);
+        Task<ExchangeWebResult<SharedKline[]>> GetKlinesAsync(GetKlinesRequest request, PageRequest? nextPageToken = null, CancellationToken ct = default);
    }
 }
@@ -17,9 +17,9 @@ namespace CryptoExchange.Net.SharedApis
        /// Get public trade history
        /// </summary>
        /// <param name="request">Request info</param>
-        /// <param name="nextPageToken">The pagination token from the previous request to continue pagination</param>
+        /// <param name="nextPageToken">The pagination request from the previous request result `NextPageRequest` property to continue pagination</param>
        /// <param name="ct">Cancellation token</param>
        /// <returns></returns>
-        Task<ExchangeWebResult<SharedTrade[]>> GetTradeHistoryAsync(GetTradeHistoryRequest request, INextPageToken? nextPageToken = null, CancellationToken ct = default);
+        Task<ExchangeWebResult<SharedTrade[]>> GetTradeHistoryAsync(GetTradeHistoryRequest request, PageRequest? nextPageToken = null, CancellationToken ct = default);
    }
 }
@@ -17,9 +17,9 @@ namespace CryptoExchange.Net.SharedApis
        /// Get withdrawal records
        /// </summary>
        /// <param name="request">Request info</param>
-        /// <param name="nextPageToken">The pagination token from the previous request to continue pagination</param>
+        /// <param name="nextPageToken">The pagination request from the previous request result `NextPageRequest` property to continue pagination</param>
        /// <param name="ct">Cancellation token</param>
        /// <returns></returns>
-        Task<ExchangeWebResult<SharedWithdrawal[]>> GetWithdrawalsAsync(GetWithdrawalsRequest request, INextPageToken? nextPageToken = null, CancellationToken ct = default);
+        Task<ExchangeWebResult<SharedWithdrawal[]>> GetWithdrawalsAsync(GetWithdrawalsRequest request, PageRequest? nextPageToken = null, CancellationToken ct = default);
    }
 }
@@ -72,14 +72,14 @@ namespace CryptoExchange.Net.SharedApis
        /// <summary>
        /// Spot get closed orders request options
        /// </summary>
-        PaginatedEndpointOptions<GetClosedOrdersRequest> GetClosedSpotOrdersOptions { get; }
+        GetClosedOrdersOptions GetClosedSpotOrdersOptions { get; }
        /// <summary>
        /// Get info on closed spot orders
        /// </summary>
        /// <param name="request">Request info</param>
-        /// <param name="nextPageToken">The pagination token from the previous request to continue pagination</param>
+        /// <param name="nextPageToken">The pagination request from the previous request result `NextPageRequest` property to continue pagination</param>
        /// <param name="ct">Cancellation token</param>
-        Task<ExchangeWebResult<SharedSpotOrder[]>> GetClosedSpotOrdersAsync(GetClosedOrdersRequest request, INextPageToken? nextPageToken = null, CancellationToken ct = default);
+        Task<ExchangeWebResult<SharedSpotOrder[]>> GetClosedSpotOrdersAsync(GetClosedOrdersRequest request, PageRequest? nextPageToken = null, CancellationToken ct = default);

        /// <summary>
        /// Spot get order trades request options
@@ -95,14 +95,14 @@ namespace CryptoExchange.Net.SharedApis
        /// <summary>
        /// Spot user trades request options
        /// </summary>
-        PaginatedEndpointOptions<GetUserTradesRequest> GetSpotUserTradesOptions { get; }
+        GetUserTradesOptions GetSpotUserTradesOptions { get; }
        /// <summary>
        /// Get spot user trade records
        /// </summary>
        /// <param name="request">Request info</param>
-        /// <param name="nextPageToken">The pagination token from the previous request to continue pagination</param>
+        /// <param name="nextPageToken">The pagination request from the previous request result `NextPageRequest` property to continue pagination</param>
        /// <param name="ct">Cancellation token</param>
-        Task<ExchangeWebResult<SharedUserTrade[]>> GetSpotUserTradesAsync(GetUserTradesRequest request, INextPageToken? nextPageToken = null, CancellationToken ct = default);
+        Task<ExchangeWebResult<SharedUserTrade[]>> GetSpotUserTradesAsync(GetUserTradesRequest request, PageRequest? nextPageToken = null, CancellationToken ct = default);

        /// <summary>
        /// Spot cancel order request options
@@ -1,4 +1,5 @@
-using System.Threading;
+using CryptoExchange.Net.Objects;
+using System.Threading;
 using System.Threading.Tasks;

 namespace CryptoExchange.Net.SharedApis
@@ -13,6 +14,24 @@ namespace CryptoExchange.Net.SharedApis
        /// </summary>
        EndpointOptions<GetSymbolsRequest> GetSpotSymbolsOptions { get; }

+        /// <summary>
+        /// Get all spot symbols for a specific base asset
+        /// </summary>
+        /// <param name="baseAsset">Asset, for example `ETH`</param>
+        Task<ExchangeResult<SharedSymbol[]>> GetSpotSymbolsForBaseAssetAsync(string baseAsset);
+
+        /// <summary>
+        /// Gets whether the client supports a spot symbol
+        /// </summary>
+        /// <param name="symbol">The symbol</param>
+        Task<ExchangeResult<bool>> SupportsSpotSymbolAsync(SharedSymbol symbol);
+
+        /// <summary>
+        /// Gets whether the client supports a spot symbol
+        /// </summary>
+        /// <param name="symbolName">The symbol name</param>
+        Task<ExchangeResult<bool>> SupportsSpotSymbolAsync(string symbolName);
+
        /// <summary>
        /// Get info on all available spot symbols on the exchange
        /// </summary>
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Data.Common;
 using System.Linq;

 namespace CryptoExchange.Net.SharedApis
@@ -99,6 +100,9 @@ namespace CryptoExchange.Net.SharedApis
            if (val == null)
                return default;

+            if (val.Value is T typeVal)
+                return typeVal;
+
            try
            {
                Type t = Nullable.GetUnderlyingType(typeof(T)) ?? typeof(T);
@@ -38,6 +38,17 @@ namespace CryptoExchange.Net.SharedApis
            Exchange = exchange;
        }

+        /// <summary>
+        /// ctor
+        /// </summary>
+        public ExchangeResult(
+            string exchange,
+            T result) :
+            base(result, null, null)
+        {
+            Exchange = exchange;
+        }
+
        /// <inheritdoc />
        public override string ToString() => $"{Exchange} - " + base.ToString();
    }
@@ -24,9 +24,9 @@ namespace CryptoExchange.Net.SharedApis
        public TradingMode[]? DataTradeMode { get; }

        /// <summary>
-        /// Token to retrieve the next page with
+        /// Next page request, can be passed to the next request on the same endpoint to get the next page
        /// </summary>
-        public INextPageToken? NextPageToken { get; }
+        public PageRequest? NextPageRequest { get; }

        /// <summary>
        /// ctor
@@ -46,7 +46,7 @@ namespace CryptoExchange.Net.SharedApis
            string exchange,
            TradingMode dataTradeMode,
            WebCallResult<T> result,
-            INextPageToken? nextPageToken = null) :
+            PageRequest? nextPageToken = null) :
            base(result.ResponseStatusCode,
                result.HttpVersion,
                result.ResponseHeaders,
@@ -64,7 +64,7 @@ namespace CryptoExchange.Net.SharedApis
        {
            DataTradeMode = new[] { dataTradeMode };
            Exchange = exchange;
-            NextPageToken = nextPageToken;
+            NextPageRequest = nextPageToken;
        }

        /// <summary>
@@ -74,7 +74,7 @@ namespace CryptoExchange.Net.SharedApis
            string exchange,
            TradingMode[]? dataTradeModes,
            WebCallResult<T> result,
-            INextPageToken? nextPageToken = null) :
+            PageRequest? nextPageRequest = null) :
            base(result.ResponseStatusCode,
                result.HttpVersion,
                result.ResponseHeaders,
@@ -92,7 +92,7 @@ namespace CryptoExchange.Net.SharedApis
        {
            DataTradeMode = dataTradeModes;
            Exchange = exchange;
-            NextPageToken = nextPageToken;
+            NextPageRequest = nextPageRequest;
        }

        /// <summary>
@@ -115,7 +115,7 @@ namespace CryptoExchange.Net.SharedApis
            ResultDataSource dataSource,
            [AllowNull] T data,
            Error? error,
-            INextPageToken? nextPageToken = null) : base(
+            PageRequest? nextPageToken = null) : base(
                code,
                httpVersion,
                responseHeaders,
@@ -133,7 +133,7 @@ namespace CryptoExchange.Net.SharedApis
        {
            DataTradeMode = dataTradeModes;
            Exchange = exchange;
-            NextPageToken = nextPageToken;
+            NextPageRequest = nextPageToken;
        }

        /// <summary>
@@ -144,7 +144,7 @@ namespace CryptoExchange.Net.SharedApis
        /// <returns></returns>
        public new ExchangeWebResult<K> As<K>([AllowNull] K data)
        {
-            return new ExchangeWebResult<K>(Exchange, DataTradeMode, ResponseStatusCode, HttpVersion, ResponseHeaders, ResponseTime, ResponseLength, OriginalData, RequestId, RequestUrl, RequestBody, RequestMethod, RequestHeaders, DataSource, data, Error, NextPageToken);
+            return new ExchangeWebResult<K>(Exchange, DataTradeMode, ResponseStatusCode, HttpVersion, ResponseHeaders, ResponseTime, ResponseLength, OriginalData, RequestId, RequestUrl, RequestBody, RequestMethod, RequestHeaders, DataSource, data, Error, NextPageRequest);
        }

        /// <inheritdoc />
@@ -1,4 +1,5 @@
 using CryptoExchange.Net.Objects;
+using System;
 using System.Text;

 namespace CryptoExchange.Net.SharedApis
@@ -8,24 +9,36 @@ namespace CryptoExchange.Net.SharedApis
    /// </summary>
    public class GetClosedOrdersOptions : PaginatedEndpointOptions<GetClosedOrdersRequest>
    {
-        /// <summary>
-        /// Whether the start/end time filter is supported
-        /// </summary>
-        public bool TimeFilterSupported { get; set; }
-
        /// <summary>
        /// ctor
        /// </summary>
-        public GetClosedOrdersOptions(SharedPaginationSupport paginationType, bool timeFilterSupported, int maxLimit) : base(paginationType, timeFilterSupported, maxLimit, true)
+        public GetClosedOrdersOptions(bool supportsAscending, bool supportsDescending, bool timeFilterSupported, int maxLimit) 
+            : base(supportsAscending, supportsDescending, timeFilterSupported, maxLimit, true)
        {
-            TimeFilterSupported = timeFilterSupported;
        }

        /// <inheritdoc />
        public override Error? ValidateRequest(string exchange, GetClosedOrdersRequest request, TradingMode? tradingMode, TradingMode[] supportedApiTypes)
        {
-            if (!TimeFilterSupported && request.StartTime != null)
-                return ArgumentError.Invalid(nameof(GetClosedOrdersRequest.StartTime), $"Time filter is not supported");
+            if (!SupportsAscending && request.Direction == DataDirection.Ascending)
+                return ArgumentError.Invalid(nameof(GetWithdrawalsRequest.Direction), $"Ascending direction is not supported");
+
+            if (!SupportsDescending && request.Direction == DataDirection.Descending)
+                return ArgumentError.Invalid(nameof(GetWithdrawalsRequest.Direction), $"Descending direction is not supported");
+
+            if (MaxAge.HasValue && request.StartTime < DateTime.UtcNow.Add(-MaxAge.Value))
+                return ArgumentError.Invalid(nameof(GetKlinesRequest.StartTime), $"Only the most recent {MaxAge} period data is available");
+
+            if (!TimePeriodFilterSupport)
+            {
+                // When going descending we can still allow startTime filter to limit the results
+                var now = DateTime.UtcNow;
+                if ((request.Direction != DataDirection.Descending && request.StartTime != null)
+                    || (request.EndTime != null && now - request.EndTime > TimeSpan.FromSeconds(5)))
+                {
+                    return ArgumentError.Invalid(nameof(GetDepositsRequest.StartTime), $"Time filter is not supported");
+                }
+            }

            return base.ValidateRequest(exchange, request, tradingMode, supportedApiTypes);
        }
@@ -34,7 +47,7 @@ namespace CryptoExchange.Net.SharedApis
        public override string ToString(string exchange)
        {
            var sb = new StringBuilder(base.ToString(exchange));
-            sb.AppendLine($"Time filter supported: {TimeFilterSupported}");
+            sb.AppendLine($"Time filter supported: {TimePeriodFilterSupport}");
            return sb.ToString();
        }
    }
@@ -1,4 +1,5 @@
 using CryptoExchange.Net.Objects;
+using System;
 using System.Text;

 namespace CryptoExchange.Net.SharedApis
@@ -8,24 +9,36 @@ namespace CryptoExchange.Net.SharedApis
    /// </summary>
    public class GetDepositsOptions : PaginatedEndpointOptions<GetDepositsRequest>
    {
-        /// <summary>
-        /// Whether the start/end time filter is supported
-        /// </summary>
-        public bool TimeFilterSupported { get; set; }
-
        /// <summary>
        /// ctor
        /// </summary>
-        public GetDepositsOptions(SharedPaginationSupport paginationType, bool timeFilterSupported, int maxLimit) : base(paginationType, timeFilterSupported, maxLimit, true)
+        public GetDepositsOptions(bool supportsAscending, bool supportsDescending, bool timeFilterSupported, int maxLimit) 
+            : base(supportsAscending, supportsDescending, timeFilterSupported, maxLimit, true)
        {
-            TimeFilterSupported = timeFilterSupported;
        }

        /// <inheritdoc />
        public override Error? ValidateRequest(string exchange, GetDepositsRequest request, TradingMode? tradingMode, TradingMode[] supportedApiTypes)
        {
-            if (!TimeFilterSupported && request.StartTime != null)
-                return ArgumentError.Invalid(nameof(GetDepositsRequest.StartTime), $"Time filter is not supported");
+            if (!SupportsAscending && request.Direction == DataDirection.Ascending)
+                return ArgumentError.Invalid(nameof(GetWithdrawalsRequest.Direction), $"Ascending direction is not supported");
+
+            if (!SupportsDescending && request.Direction == DataDirection.Descending)
+                return ArgumentError.Invalid(nameof(GetWithdrawalsRequest.Direction), $"Descending direction is not supported");
+
+            if (MaxAge.HasValue && request.StartTime < DateTime.UtcNow.Add(-MaxAge.Value))
+                return ArgumentError.Invalid(nameof(GetKlinesRequest.StartTime), $"Only the most recent {MaxAge} period data is available");
+
+            if (!TimePeriodFilterSupport)
+            {
+                // When going descending we can still allow startTime filter to limit the results
+                var now = DateTime.UtcNow;
+                if ((request.Direction != DataDirection.Descending && request.StartTime != null)
+                    || (request.EndTime != null && now - request.EndTime > TimeSpan.FromSeconds(5)))
+                {
+                    return ArgumentError.Invalid(nameof(GetDepositsRequest.StartTime), $"Time filter is not supported");
+                }
+            }

            return base.ValidateRequest(exchange, request, tradingMode, supportedApiTypes);
        }
@@ -34,7 +47,7 @@ namespace CryptoExchange.Net.SharedApis
        public override string ToString(string exchange)
        {
            var sb = new StringBuilder(base.ToString(exchange));
-            sb.AppendLine($"Time filter supported: {TimeFilterSupported}");
+            sb.AppendLine($"Time filter supported: {TimePeriodFilterSupport}");
            return sb.ToString();
        }
    }
@@ -1,4 +1,8 @@
-namespace CryptoExchange.Net.SharedApis
+using CryptoExchange.Net.Objects;
+using System;
+using System.Text;
+
+namespace CryptoExchange.Net.SharedApis
 {
    /// <summary>
    /// Options for requesting funding rate history
@@ -8,8 +12,43 @@
        /// <summary>
        /// ctor
        /// </summary>
-        public GetFundingRateHistoryOptions(SharedPaginationSupport paginationType, bool timeFilterSupported, int maxLimit, bool needsAuthentication) : base(paginationType, timeFilterSupported, maxLimit, needsAuthentication)
+        public GetFundingRateHistoryOptions(bool supportsAscending, bool supportsDescending, bool timeFilterSupported, int maxLimit, bool needsAuthentication) 
+            : base(supportsAscending, supportsDescending, timeFilterSupported, maxLimit, needsAuthentication)
        {
        }
+
+        /// <inheritdoc />
+        public override Error? ValidateRequest(string exchange, GetFundingRateHistoryRequest request, TradingMode? tradingMode, TradingMode[] supportedApiTypes)
+        {
+            if (!SupportsAscending && request.Direction == DataDirection.Ascending)
+                return ArgumentError.Invalid(nameof(GetWithdrawalsRequest.Direction), $"Ascending direction is not supported");
+
+            if (!SupportsDescending && request.Direction == DataDirection.Descending)
+                return ArgumentError.Invalid(nameof(GetWithdrawalsRequest.Direction), $"Descending direction is not supported");
+
+            if (MaxAge.HasValue && request.StartTime < DateTime.UtcNow.Add(-MaxAge.Value))
+                return ArgumentError.Invalid(nameof(GetKlinesRequest.StartTime), $"Only the most recent {MaxAge} period data is available");
+
+            if (!TimePeriodFilterSupport)
+            {
+                // When going descending we can still allow startTime filter to limit the results
+                var now = DateTime.UtcNow;
+                if ((request.Direction != DataDirection.Descending && request.StartTime != null)
+                    || (request.EndTime != null && now - request.EndTime > TimeSpan.FromSeconds(5)))
+                {
+                    return ArgumentError.Invalid(nameof(GetDepositsRequest.StartTime), $"Time filter is not supported");
+                }
+            }
+
+            return base.ValidateRequest(exchange, request, tradingMode, supportedApiTypes);
+        }
+
+        /// <inheritdoc />
+        public override string ToString(string exchange)
+        {
+            var sb = new StringBuilder(base.ToString(exchange));
+            sb.AppendLine($"Time filter supported: {TimePeriodFilterSupport}");
+            return sb.ToString();
+        }
    }
 }
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Jkorf	8aae769e54	Updated to version 11.0.3	2026-03-30 11:46:03 +02:00
Jkorf	1b4f6926df	Fixed test concurrency issue	2026-03-30 11:42:26 +02:00
Jkorf	acca3468f3	Updated Enum converter to only warn once per type for null/empty value for non-nullable enum property	2026-03-30 11:34:02 +02:00
Jkorf	d6b680d42e	Updated to version 11.0.2	2026-03-26 13:01:38 +01:00
JKorf	24123261e5	Fixed example	2026-03-25 21:40:40 +01:00
JKorf	aab30e05f0	Updated SetOptions logic to allow calling on client without credentials	2026-03-25 21:06:54 +01:00
Jkorf	54b15b75d3	Updated examples	2026-03-24 17:25:58 +01:00
Jkorf	d715c7df59	Updated to version 11.0.1	2026-03-24 14:38:39 +01:00
Jkorf	e1d33f252f	Fixed CreateParamString method for arrays of value types	2026-03-24 14:28:46 +01:00
Jkorf	b2ba9e251f	Updated to version 11.0.0	2026-03-23 14:37:34 +01:00
Jan Korf	2f9f97f4e8	Authentication update (#275 ) Updated API credential logic, exchange implementation are expected to provide their own credentials implementation with ApiCredentials as base class Removed ApiCredentials implementation used by most exchanges Removed ApiCredentialsType Enum Added CredentialSet base class and implementations for defining different API credentials Added optional type param to AuthenticationProvider for the specific API credential type to improve type safety Moved AuthenticationProvider/ApiCredentials from BaseApiClient to RestApiClient/SocketApiClient base classes Added optional type params to RestApiClient/SocketApiClient base class to specify the AuthenticationProvider type and credentials type to improve type safety Moved SetOptions/SetApiCredentials from BaseApiClient to RestApiClient/SocketApiClient Extracted LibraryOptions<TRestOptions, TSocketOptions, TEnvironment> without TApiCredentials for libraries without API credentials Removed ApiCredentials from ApiOptions, credentials can only be configured at library, rest or socket level Added EnvironmentName to RestApiClient/SocketApiClient property Added Unknown enum value to Shared interfaces SharedOrderStatus, SharedTransferStatus and SharedTriggerOrderStatus enums Updated Enum converter to map value to an undefined Enum value instead of the first Enum value Added support for checking for missing fields on RestIntegrationTest Added BytesToHexString and HexToBytesString to ExchangeHelpers static class Fixed bug where WebSocket connections are not reconnected when configuring Proxy with SetUpdates Removed legacy CryptoBaseClient, CryptoRestClient and CryptoSocketClient	2026-03-23 14:28:00 +01:00
Jkorf	875696a73a	added dex signing utils	2026-03-11 08:54:36 +01:00
Jkorf	90c61715d0	Added Bitstamp reference	2026-03-06 15:16:47 +01:00
Jkorf	12ca45050f	Updated to version 10.8.0	2026-03-06 09:26:30 +01:00
Jkorf	eaf092a334	Added `ForcePathEndWithSlash` setting to RequestDefinition, added `encoding` parameter to SetContent on REST Request, added `RequestBodyContentEncoding` and `OmitContentTypeHeaderWithoutContent` config to RestApiClient	2026-03-06 09:25:04 +01:00
Jkorf	33c0fb26a7	Updated to version 10.7.2	2026-03-02 10:53:37 +01:00
Jkorf	dabbb5c868	Added small overlap in UserDataTracker polling logic to account for API endpoints not immediately having the data available	2026-03-02 10:47:25 +01:00
Jkorf	204bda8622	Updated to version 10.7.1	2026-02-25 11:00:43 +01:00
Jkorf	78e3523a4f	Updated SocketConnection internal locking to fix potential deadlock	2026-02-25 09:26:12 +01:00
Jkorf	89a73747b0	Fix for test socket not working correctly with read/write socket connection lock	2026-02-24 13:15:08 +01:00
Jkorf	02b70398b3	Updated lock call SocketConnection to outside the try	2026-02-24 13:14:48 +01:00
Jkorf	73fcb47b17	Updated to version 10.7.0	2026-02-24 11:51:37 +01:00
Jkorf	d41ca3459e	Updated internal lock for subscription to ReaderWriterLockSlim on SocketConnection	2026-02-24 11:32:35 +01:00
Jkorf	bea2b2bd7b	Added Http options to Rest client options	2026-02-24 09:58:48 +01:00
Jan Korf	b29cdc41f3	Shared interfaces pagination update (#274 ) Updated INextPageToken parameter on Shared interfaces to PageRequest type, functionality unchanged Added SupportsAscending and SupportsDescending properties to PaginatedEndpointOptions to expose supported data directions Added MaxAge property to PaginatedEndpointOptions to expose the max age of data that can be requested Added Direction property to Shared interfaces paginated requests to configure pagination data direction Removed PaginationSupport property from PaginatedEndpointOptions, replaced by above new properties Updated Shared GetTradeHistoryRequest EndTime property to be optional Updated I(Futures/Spot)OrderRestClient.GetClosed(Futures/Spot)OrdersOptions from PaginatedEndpointOptions<GetClosedOrdersRequest> to GetClosedOrdersOptions Updated I(Futures/Spot)OrderRestClient.Get(Futures/Spot)UserTradesOptions from PaginatedEndpointOptions<GetUserTradesRequest> to GetUserTradesOptions Updated rate limiting PathStartFilter to ignore added or missing slash before the path Fixed KlineTracker throwing exception if there is no data in the initial snapshot	2026-02-23 14:53:38 +01:00
JKorf	0ce2e778f4	Added check for invalid json in JsonSocketMessageHandler and virtual GetTypeIdentifierNonJson for handling non-json messages	2026-02-22 16:29:05 +01:00
JKorf	36c2411d46	Added parsing of REST response data up to 128 characters for error responses	2026-02-22 16:05:49 +01:00
Jkorf	6d3e72745a	Removed check for OnlyTrackProvidedSymbols and empty initial tracking list	2026-02-17 14:54:57 +01:00
Jkorf	51c74baa26	Updated to version 10.6.2	2026-02-17 14:39:06 +01:00
Jkorf	419e01d009	Fix for websocket queries which don't expects response getting stuck in subscribing state	2026-02-17 14:35:02 +01:00
Jkorf	297eee0e1f	Updated to version 10.6.1	2026-02-16 15:42:33 +01:00
Jkorf	6a9231b1e3	Fixed exception when stopping SymbolOrderBook instance when update is received while closing	2026-02-16 15:39:36 +01:00
Jkorf	e40f2a15b6	Updated to version 10.6.0	2026-02-16 09:38:55 +01:00
Jkorf	b94085a27a	Added some code comments	2026-02-16 09:36:44 +01:00
Jkorf	5e083811df	Added check SymbolOrderBook is still alive when trying to add updates to prevent unnoticed growing in the background when subscription isn't closed while book is	2026-02-16 09:33:39 +01:00
Jkorf	7dcf5cd6ea	Added AddTrackedSymbolsAsync and RemoveTrackedSymbolAsync methods to UserDataTracker, updated minimal fromTime filter in UserDataTracker to 5 seconds	2026-02-16 09:11:01 +01:00
Jkorf	1471a4733f	Updated symbol tracking logic on UserDataTracker, added check for startTime filter for polling being to close to current time	2026-02-13 10:12:43 +01:00
Jkorf	f39d9f7cfb	Updated to version 10.5.4	2026-02-12 11:43:20 +01:00
Jkorf	9fab8faa45	Fixed bug in polling time filter for UserDataTracker items	2026-02-12 11:35:04 +01:00
Jkorf	226f175343	Fixed type check ExchangeParameters GetValue	2026-02-11 14:50:39 +01:00
Jkorf	813bd9f5a1	Updated to version 10.5.3	2026-02-11 13:10:08 +01:00
Jkorf	c8d2b4f09d	Added check EnumConverter to detect undefined int value parsing	2026-02-11 12:57:03 +01:00
Jkorf	6560b82a3e	Fixed orders getting incorrectly set to canceled state for UserDataTracker spot and futures orders	2026-02-11 11:44:32 +01:00
JKorf	e151af8f37	Updated client versions examples	2026-02-10 18:38:45 +01:00
Jkorf	bdf7a07c6f	Updated to version 10.5.2	2026-02-10 16:04:17 +01:00
Jkorf	a8ffe90bf2	Added call to ApiClient.HandleUnhandledMessage when no websocket message processor is found based on topic to allow additional processing	2026-02-10 15:59:35 +01:00
Jkorf	3372b9eb44	Set query completed after setting Result	2026-02-10 15:40:43 +01:00
Jkorf	df25221960	Combined subscribe and re-subscribe logic	2026-02-10 15:40:13 +01:00
Jkorf	7c67a014f5	Added check for subscribe queries with TimeoutBehavior.Success to complete when subscription has received update	2026-02-10 14:31:42 +01:00
Jkorf	65291b3195	Updated to version 10.5.1	2026-02-10 11:53:23 +01:00
Jkorf	ece6a9d27d	Fixed trading mode selection for futures listen key method in FuturesUserDataTracker	2026-02-10 11:51:19 +01:00
Jkorf	1ed29b0474	Updated to version 10.5.0	2026-02-10 10:22:05 +01:00
Jkorf	be2eb01353	Merge branch 'master' of https://github.com/JKorf/CryptoExchange.Net	2026-02-10 10:15:46 +01:00
JKorf	39cd66596d	Added some tests	2026-02-09 21:49:07 +01:00
Jkorf	63f51811a9	Updated logging unmatched websocket message	2026-02-09 16:29:24 +01:00
Jkorf	abda065237	Updated websocket message forwarding logic	2026-02-09 12:57:52 +01:00
Jkorf	759c8b9a58	Fixed bug in UserDataTracker orders logic incorrectly setting order to canceled status	2026-02-09 09:07:17 +01:00
JKorf	8e18482781	Added keep alive for listenkeys to UserDataTracker	2026-02-08 17:02:09 +01:00
Jkorf	87dd2d9d40	Updated to version 10.4.1	2026-02-06 17:19:08 +01:00
Jkorf	f2b0cb2f0d	Updated UserDataTracker to only track symbol when position size > 0, update log verbosity	2026-02-06 17:16:31 +01:00
Jkorf	de0a954a91	Updated to version 10.4.0	2026-02-06 12:00:50 +01:00
Jkorf	4a79ce22ec	Added timeout/ct task cleanup AsyncResetEvent	2026-02-06 11:57:56 +01:00
JKorf	40d480e1fc	Added AutoTimestamp option for socket client, fixed socket client timestamp offset bug	2026-02-05 21:54:16 +01:00
Jan Korf	74e5cf6fc9	Feature/userdata tracker (#271 ) Added user data tracking logic Added LastReceiveTime, SocketStatus and SubscriptionStatus properties to UpdateSubscription Added SharedTransferStatus Enum and property to SharedDeposit Added PositionMode property to SharedPosition model Added IsZero property to SharedQuantity Renamed IWebSocket LastActionTime to LastReceiveTime Updated CryptoExchangeWebsocketClient LastReceiveTime logic Updated Subscription status change event handler to run sync instead of separate task	2026-02-05 16:05:13 +01:00
Jkorf	2fd3912795	Merge branch 'master' of https://github.com/JKorf/CryptoExchange.Net	2026-02-03 08:47:26 +01:00
JKorf	ec44307a0c	Updated AsyncResetEvent implementation	2026-02-02 21:01:35 +01:00
Jkorf	ba55705385	Added Disposed property on BaseClient and IRestClient/ISocketClient interfaces	2026-02-02 09:33:47 +01:00
Jkorf	2c63a83117	Merge branch 'master' of https://github.com/JKorf/CryptoExchange.Net	2026-02-02 08:42:53 +01:00
JKorf	71b1e5e906	Added additional methods for requesting supported symbols to Shared ISpotSymbolRestClient/IFuturesSymbolRestClient interfaces	2026-02-01 15:02:48 +01:00
Jkorf	eaeba6f27e	Made Interval property of Kline tracker public	2026-01-28 10:31:44 +01:00
Jkorf	913bdaa855	Updated to version 10.3.1	2026-01-27 14:01:26 +01:00
Jkorf	5aa5790d0a	Docs	2026-01-23 15:19:33 +01:00
Jkorf	a8321e083e	Fixed potential collection modified exception upon logging message not handled in websocket message handling	2026-01-22 09:57:02 +01:00
Jkorf	ce3fa5f186	Updated to version 10.3.0	2026-01-22 09:33:47 +01:00
Jkorf	fff70a9c65	Updated some testing	2026-01-21 15:38:22 +01:00
Jkorf	cff33bb5ac	Added handling for setting AutoTimestamp in client options when not implemented	2026-01-21 15:37:59 +01:00
Jkorf	21c8133292	Fixed HandleSubQueryResponse not getting called	2026-01-21 11:16:57 +01:00
Jkorf	76772e91ba	Remove legacy websocket message handling	2026-01-21 11:14:06 +01:00
Jkorf	218e0260ce	Added PlatformInfo class for specifying platform information	2026-01-21 10:14:00 +01:00
Jkorf	96b3904266	Fixed state handling for subscriptions where queries do not get a response	2026-01-20 15:19:42 +01:00
Jkorf	bc8faf9822	Updated to version 10.2.5	2026-01-19 10:26:04 +01:00
JKorf	90c1b89ceb	Added GetRestOffsets and GetWebsocketOffsets to TimeOffsetManager	2026-01-18 17:46:42 +01:00
JKorf	21206ffb25	Updated SymbolOrderBook.WaitUntilFirstUpdateBufferedAsync	2026-01-18 17:36:18 +01:00
JKorf	5942423bfb	Updated to version 10.2.4	2026-01-17 16:29:56 +01:00
JKorf	dc4abc42a7	Added WaitUntilFirstUpdateBufferedAsync method on SymbolOrderBook, fixed sequencen validation bug SymbolOrderBook	2026-01-17 16:26:25 +01:00
Jkorf	c71a81e686	Added some util methods, Added CommaSplitStringConverter	2026-01-16 16:39:21 +01:00