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ritmex-bot/docs/binance/binance-spot/testnet_websocket-api_event-format.md
DisneyandGitHub d6399b92aa Feat/support binance (#22)
* add docs

* Add Binance exchange support

- Updated the environment configuration to include Binance as a selectable exchange option.
- Enhanced the README documentation to reflect the addition of Binance.
- Implemented the Binance exchange adapter and integrated it into the existing exchange framework.
- Modified the basis arbitrage strategy to support Binance alongside existing exchanges.
- Added tests to ensure proper functionality and integration of Binance within the trading system.

* Enhance README with detailed Binance exchange configuration

- Added comprehensive instructions for setting up Binance as an exchange option.
- Included environment variable specifications for API keys, market types, and trading symbols.
- Provided examples for both perpetual and spot trading strategies.
- Clarified the use of WebSocket and REST for the Binance adapter.

* Enhance exchange support and testing framework

- Added a new test suite for exchange contracts to ensure consistency and functionality across supported exchanges.
- Refactored exchange ID handling to utilize a centralized list of supported exchanges, improving maintainability.
- Updated CLI argument parsing and help documentation to reflect the new exchange structure.
- Introduced utility functions for validating supported exchanges and their display names.
- Enhanced the BasisApp and strategy runner to leverage the new exchange validation logic.
- Added a new test command for running exchange-related tests.

* Refactor exchange contract tests and update CLI commands

- Removed the trailing supported exchanges set and simplified the logic for trailing stop support in the exchange contract tests.
- Updated the test command for exchange contracts to exclude unnecessary tests, streamlining the testing process.
- Enhanced test descriptions for clarity and improved understanding of the functionality being tested.
2026-02-27 11:37:44 +08:00

1.6 KiB

title, source, fetched_at
title source fetched_at
Event format | Binance Open Platform https://developers.binance.com/docs/binance-spot-api-docs/testnet/websocket-api/event-format 2026-02-26T10:38:11.531Z

User Data Stream events for non-SBE sessions are sent as JSON in text frames, one event per frame.

Events in SBE sessions will be sent as binary frames.

Please refer to userDataStream.subscribe for details on how to subscribe to User Data Stream in WebSocket API.

Example of an event:

{    "subscriptionId": 0,    "event": {        "e": "outboundAccountPosition",        "E": 1728972148778,        "u": 1728972148778,        "B": [            {                "a": "BTC",                "f": "11818.00000000",                "l": "182.00000000"            },            {                "a": "USDT",                "f": "10580.00000000",                "l": "70.00000000"            }        ]    }}

Event fields:

Name

Type

Mandatory

Description

event

OBJECT

YES

Event payload. See User Data Streams

subscriptionId

INT

NO

Identifies which subscription the event is coming from. See User Data Stream subscriptions