diff --git a/CryptoExchange.Net/Clients/BaseApiClient.cs b/CryptoExchange.Net/Clients/BaseApiClient.cs
index 9046faa..7d24caa 100644
--- a/CryptoExchange.Net/Clients/BaseApiClient.cs
+++ b/CryptoExchange.Net/Clients/BaseApiClient.cs
@@ -38,6 +38,11 @@ namespace CryptoExchange.Net.Clients
         /// </summary>
         public bool OutputOriginalData { get; }
 
+        /// <summary>
+        /// Whether or not API credentials have been configured for this client. Does not check the credentials are actually valid.
+        /// </summary>
+        public bool Authenticated => ApiOptions.ApiCredentials != null || ClientOptions.ApiCredentials != null;
+
         /// <summary>
         /// Api options
         /// </summary>
diff --git a/CryptoExchange.Net/SharedApis/Interfaces/ISharedClient.cs b/CryptoExchange.Net/SharedApis/Interfaces/ISharedClient.cs
index 73bf105..eca53e9 100644
--- a/CryptoExchange.Net/SharedApis/Interfaces/ISharedClient.cs
+++ b/CryptoExchange.Net/SharedApis/Interfaces/ISharedClient.cs
@@ -18,6 +18,11 @@ namespace CryptoExchange.Net.SharedApis
         /// </summary>
         TradingMode[] SupportedTradingModes { 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>