diff --git a/CryptoExchange.Net/SharedApis/Interfaces/Rest/Futures/IFuturesOrderRestClient.cs b/CryptoExchange.Net/SharedApis/Interfaces/Rest/Futures/IFuturesOrderRestClient.cs
index 8b78ab9..42b2ef1 100644
--- a/CryptoExchange.Net/SharedApis/Interfaces/Rest/Futures/IFuturesOrderRestClient.cs
+++ b/CryptoExchange.Net/SharedApis/Interfaces/Rest/Futures/IFuturesOrderRestClient.cs
@@ -31,10 +31,17 @@ namespace CryptoExchange.Net.SharedApis
         /// </summary>
         SharedQuantitySupport FuturesSupportedOrderQuantity { get; }
 
+        /// <summary>
+        /// Generate a new random client order id
+        /// </summary>
+        /// <returns></returns>
+        string GenerateClientOrderId();
+
         /// <summary>
         /// Futures place order request options
         /// </summary>
         PlaceFuturesOrderOptions PlaceFuturesOrderOptions { get; }
+
         /// <summary>
         /// Place a new futures order
         /// </summary>
diff --git a/CryptoExchange.Net/SharedApis/Interfaces/Rest/Spot/ISpotOrderRestClient.cs b/CryptoExchange.Net/SharedApis/Interfaces/Rest/Spot/ISpotOrderRestClient.cs
index 6ca0b7d..cb5e816 100644
--- a/CryptoExchange.Net/SharedApis/Interfaces/Rest/Spot/ISpotOrderRestClient.cs
+++ b/CryptoExchange.Net/SharedApis/Interfaces/Rest/Spot/ISpotOrderRestClient.cs
@@ -31,6 +31,12 @@ namespace CryptoExchange.Net.SharedApis
         /// </summary>
         SharedQuantitySupport SpotSupportedOrderQuantity { get; }
 
+        /// <summary>
+        /// Generate a new random client order id
+        /// </summary>
+        /// <returns></returns>
+        string GenerateClientOrderId();
+
         /// <summary>
         /// Spot place order request options
         /// </summary>