From cff33bb5acfb7f5e78949beefaa760708ce20f7c Mon Sep 17 00:00:00 2001
From: Jkorf <jankorf91@gmail.com>
Date: Wed, 21 Jan 2026 15:37:59 +0100
Subject: [PATCH] Added handling for setting AutoTimestamp in client options
 when not implemented

---
 CryptoExchange.Net/Clients/RestApiClient.cs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/CryptoExchange.Net/Clients/RestApiClient.cs b/CryptoExchange.Net/Clients/RestApiClient.cs
index ee584a3..3598c83 100644
--- a/CryptoExchange.Net/Clients/RestApiClient.cs
+++ b/CryptoExchange.Net/Clients/RestApiClient.cs
@@ -721,7 +721,16 @@ 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");