wss://stream.binance.com -> OK...........wss://fstream.binance.com -> ERROR ?

**** wss://stream.binance.com → OK ****

Connected to wss://stream.binance.com/ws/btcusdt@kline_1m successfully
Echo: {“e”:“kline”,“E”:1735310022015,“s”:“BTCUSDT”,“k”:{“t”:1735309980000,“T”:1735310039999,“s”:“BTCUSDT”,“i”:“1m”,“f”:4342942101,“L”:4342955151,“o”:“96175.99000000”,“c”:“95950.71000000”,“h”:“96175.99000000”,“l”:“95929.71000000”,“v”:“69.53432000”,“n”:13051,“x”:false,“q”:“6676855.80000510”,“V”:“16.92542000”,“Q”:“1625015.85704960”,“B”:“0”}}
Echo: {“e”:“kline”,“E”:1735310024018,“s”:“BTCUSDT”,“k”:{“t”:1735309980000,“T”:1735310039999,“s”:“BTCUSDT”,“i”:“1m”,“f”:4342942101,“L”:4342955301,“o”:“96175.99000000”,“c”:“95958.48000000”,“h”:“96175.99000000”,“l”:“95929.71000000”,“v”:“69.95630000”,“n”:13201,“x”:false,“q”:“6717349.33638890”,“V”:“17.09974000”,“Q”:“1641743.03368130”,“B”:“0”}}

**** wss://fstream.binance.com → ERROR ****

27/12/2567 21:34:37|Fatal|WebSocket.Connect|WebSocketSharp.WebSocketException: An error has occurred during a TLS handshake. —> System.Security.Authentication.AuthenticationException: A call to SSPI failed, see inner exception. —> System.ComponentModel.Win32Exception: The function requested is not supported
— End of inner exception stack trace —
at System.Net.Security.SslState.StartSendAuthResetSignal(ProtocolToken message, AsyncProtocolRequest asyncRequest, Exception exception)
at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
at System.Net.Security.SslState.StartSendBlob(Byte incoming, Int32 count, AsyncProtocolRequest asyncRequest, Boolean renegotiation)
at System.Net.Security.SslState.ProcessReceivedBlob(Byte buffer, Int32 count, AsyncProtocolRequest asyncRequest)
at System.Net.Security.SslState.StartReadFrame(Byte buffer, Int32 readBytes, AsyncProtocolRequest asyncRequest)
at System.Net.Security.SslState.StartReceiveBlob(Byte buffer, AsyncProtocolRequest asyncRequest)
at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
at System.Net.Security.SslState.StartSendBlob(Byte incoming, Int32 count, AsyncProtocolRequest asyncRequest, Boolean renegotiation)
at System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte buffer, AsyncProtocolRequest asyncRequest, Boolean renegotiation)
at System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult)
at System.Net.Security.SslStream.AuthenticateAsClient(String targetHost, X509CertificateCollection clientCertificates, SslProtocols enabledSslProtocols, Boolean checkCertificateRevocation)
at WebSocketSharp.WebSocket.setClientStream()
— End of inner exception stack trace —
at WebSocketSharp.WebSocket.setClientStream()
at WebSocketSharp.WebSocket.doHandshake()
at WebSocketSharp.WebSocket.connect()
Disconnected with wss://fstream.binance.com/ws/btcusdt@kline_1m

Hey,
Could you provide more details about how you’re making the request or share the relevant code? The issue appears to be on your end.

It can be used now. Thank you.