ritmex-bot/docs/binance/binance_derivatives/docs_derivatives_usds-margined-futures_user-data-streams.md

title, source, fetched_at

title	source	fetched_at
Connect | Binance Open Platform	https://developers.binance.com/docs/derivatives/usds-margined-futures/user-data-streams	2026-01-27T05:28:32.620Z

User Data Streams Connect

• The base API endpoint is: https://fapi.binance.com

• A User Data Stream listenKey is valid for 60 minutes after creation.

• Doing a PUT on a listenKey will extend its validity for 60 minutes, if response -1125 error "This listenKey does not exist." Please use POST /fapi/v1/listenKey to recreate listenKey.

• Doing a DELETE on a listenKey will close the stream and invalidate the listenKey.

• Doing a POST on an account with an active listenKey will return the currently active listenKey and extend its validity for 60 minutes.

• The connection method for Websocket：

  • Base Url: wss://fstream.binance.com
  • User Data Streams are accessed at /ws/
  • Example: wss://fstream.binance.com/ws/XaEAKTsQSRLZAGH9tuIu37plSRsdjmlAVBoNYPUITlTAko1WI22PgmBMpI1rS8Yh

• For one connection(one user data), the user data stream payloads can guaranteed to be in order during heavy periods; Strongly recommend you order your updates using E

• A single connection is only valid for 24 hours; expect to be disconnected at the 24 hour mark