ritmex-bot/docs/binance/binance_derivatives/docs_derivatives_coin-margined-futures_user-data-streams_Start-User-Data-Stream-Wsp.md

title, source, fetched_at

title	source	fetched_at
Start User Data Stream(Websocket API) | Binance Open Platform	https://developers.binance.com/docs/derivatives/coin-margined-futures/user-data-streams/Start-User-Data-Stream-Wsp	2026-01-27T05:28:07.410Z

Start User Data Stream (USER_STREAM)

API Description​

Start a new user data stream. The stream will close after 60 minutes unless a keepalive is sent. If the account has an active listenKey, that listenKey will be returned and its validity will be extended for 60 minutes.

Method​

userDataStream.start

Request​

{  "id": "d3df8a61-98ea-4fe0-8f4e-0fcea5d418b0",  "method": "userDataStream.start",  "params": {    "apiKey": "vmPUZE6mv9SD5VNHk4HlWFsOr6aKE2zvsw0MuIgwCIPy6utIco14y7Ju91duEh8A"  }}

Request Weight​

1

Request Parameters​

Name

Type

Mandatory

 Description

apiKey

STRING

NO

Required if session is not authenticated via session.logon

Response Example​

{  "id": "d3df8a61-98ea-4fe0-8f4e-0fcea5d418b0",  "status": 200,  "result": {    "listenKey": "xs0mRXdAKlIPDRFrlPcw0qI41Eh3ixNntmymGyhrhgqo7L6FuLaWArTD7RLP"  },   "rateLimits": [	{		"rateLimitType": "REQUEST_WEIGHT",        "interval": "MINUTE",        "intervalNum": 1,        "limit": 2400,        "count": 8    }  ]}

• API Description
• Method
• Request
• Request Weight
• Request Parameters
• Response Example