diff --git a/CryptoExchange.Net/ExchangeClient.cs b/CryptoExchange.Net/ExchangeClient.cs
index 6bf89cd..dafa5c2 100644
--- a/CryptoExchange.Net/ExchangeClient.cs
+++ b/CryptoExchange.Net/ExchangeClient.cs
@@ -143,6 +143,7 @@ namespace CryptoExchange.Net
 
             var request = RequestFactory.Create(uriString);
             request.Method = method;
+            request.Parameters = parameters;
 
             if (authProvider != null)
                 request = authProvider.AddAuthenticationToRequest(request, signed);
@@ -155,6 +156,15 @@ namespace CryptoExchange.Net
             var returnedData = "";
             try
             {
+                if (request.WriteCustomBody &&
+                    request.CustomBody != null && request.CustomBody.Length > 0)
+                {
+                    using (var requestStream = await request.GetRequestStream())
+                    {
+                        requestStream.Write(request.CustomBody, 0, request.CustomBody.Length);
+                    }
+                }
+
                 var response = await request.GetResponse().ConfigureAwait(false);
                 using (var reader = new StreamReader(response.GetResponseStream()))
                 {
diff --git a/CryptoExchange.Net/Interfaces/IRequest.cs b/CryptoExchange.Net/Interfaces/IRequest.cs
index ec5219b..d984f18 100644
--- a/CryptoExchange.Net/Interfaces/IRequest.cs
+++ b/CryptoExchange.Net/Interfaces/IRequest.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Net;
 using System.Threading.Tasks;
@@ -10,6 +11,10 @@ namespace CryptoExchange.Net.Interfaces
         Uri Uri { get; }
         WebHeaderCollection Headers { get; set; }
         string Method { get; set; }
+        Dictionary<string, object> Parameters { get; set; }
+
+        byte[] CustomBody { get; set; }
+        bool WriteCustomBody { get; set; }
 
         void SetProxy(string host, int port);
 
diff --git a/CryptoExchange.Net/Requests/Request.cs b/CryptoExchange.Net/Requests/Request.cs
index e2471a3..b381797 100644
--- a/CryptoExchange.Net/Requests/Request.cs
+++ b/CryptoExchange.Net/Requests/Request.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Net;
 using System.Threading.Tasks;
@@ -44,6 +45,11 @@ namespace CryptoExchange.Net.Requests
             set => request.Method = value;
         }
 
+        public Dictionary<string, object> Parameters { get; set; }
+
+        public byte[] CustomBody { get; set; }
+        public bool WriteCustomBody { get; set; } = false;
+
         public Uri Uri => request.RequestUri;
 
         public void SetProxy(string host, int port)