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Binance Spot WebSocket API

The Binance Spot WebSocket API provides an alternative way to access spot trading functionality through persistent WebSocket connections. It is functionally equivalent to the REST API, accepting the same parameters and returning the same status and error codes, but offers lower latency for time-sensitive trading operations.

Binance Spot WebSocket API is one of 28 APIs that Binance publishes on the APIs.io network, described by an AsyncAPI event-driven specification.

Tagged areas include Cryptocurrency, Market Data, Real-Time, Streaming, and WebSocket. The published artifact set on APIs.io includes API documentation and an AsyncAPI specification.

This event API exposes 2 operations across 1 channel, and defines 8 schemas. It is described by AsyncAPI 2.6.0, at version 1.0.0.

The API connects through 2 servers: wss://ws-api.binance.com:443/ws-api/v3 (wss), wss://testnet.binance.vision/ws-api/v3 (wss).

2 operations 1 channels 8 schemas

Metadata

The identity and technical contract details declared by the specification.

Specification
AsyncAPI 2.6.0
API Version
1.0.0
Base URL
wss://ws-api.binance.com
Resource Areas
1

Channels & Operations 2

Across 1 channel, the API surfaces 2 operations. Each is listed below with its action, channel, parameters, and response codes.

Channels 2
SUB
/
Send API requests
sendRequest body
PUB
/
Receive API responses
receiveResponse body

Messages & Schemas 8

The contract defines 8 schemas that model the data carried by its messages. Each schema is shown below with its type and property counts.

OrderRequest
message
Request to place a new order via WebSocket.
CancelOrderRequest
message
Request to cancel an order via WebSocket.
AccountRequest
message
Request for account information via WebSocket.
MarketDataRequest
message
Request for market data via WebSocket.
OrderResponse
message
Response to an order request.
AccountResponse
message
Response to an account query.
MarketDataResponse
message
Response to a market data query.
ErrorResponse
message
Error response for failed requests.

Specification

The full machine-readable AsyncAPI contract behind this narrative.

Source

binance-spot-websocket-api-asyncapi.yml Raw ↑

Other APIs Binance publishes across the network.

Binance Spot WebSocket Streams
Binance Account API
Binance Assets API
Binance Auto-Invest API
Binance Borrow/Repay API
Binance Convert API
Binance Copy Trading API
Binance Crypto Loan API
Binance Deposits API
Binance Fiat API
Binance Flexible Products API
Binance Futures Algo API
Where this information came from

This is an independent, third-party profile of Binance Spot WebSocket API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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