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docs/binance/binance-spot/websocket-api_request-format.md

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+---
+title: "Request format | Binance Open Platform"
+source: "https://developers.binance.com/docs/binance-spot-api-docs/websocket-api/request-format"
+fetched_at: "2026-02-26T10:38:13.107Z"
+---
+Requests must be sent as JSON in **text frames**, one request per frame.
+
+Example of request:
+
+```
+{    "id": "e2a85d9f-07a5-4f94-8d5f-789dc3deb097",    "method": "order.place",    "params": {        "symbol": "BTCUSDT",        "side": "BUY",        "type": "LIMIT",        "price": "0.1",        "quantity": "10",        "timeInForce": "GTC",        "timestamp": 1655716096498,        "apiKey": "T59MTDLWlpRW16JVeZ2Nju5A5C98WkMm8CSzWC4oqynUlTm1zXOxyauT8LmwXEv9",        "signature": "5942ad337e6779f2f4c62cd1c26dba71c91514400a24990a3e7f5edec9323f90"    }}
+```
+
+Request fields:
+
+Name
+
+Type
+
+Mandatory
+
+Description
+
+`id`
+
+INT / STRING / `null`
+
+YES
+
+Arbitrary ID used to match responses to requests
+
+`method`
+
+STRING
+
+YES
+
+Request method name
+
+`params`
+
+OBJECT
+
+NO
+
+Request parameters. May be omitted if there are no parameters
+
+-   Request `id` is truly arbitrary. You can use UUIDs, sequential IDs, current timestamp, etc. The server does not interpret `id` in any way, simply echoing it back in the response.
+    
+    You can freely reuse IDs within a session. However, be careful to not send more than one request at a time with the same ID, since otherwise it might be impossible to tell the responses apart.
+    
+-   Request method names may be prefixed with explicit version: e.g., `"v3/order.place"`.
+    
+-   The order of `params` is not significant.