# Bullish WebSocket Multi-Order Book API

**Canonical:** https://apis.io/apis/bullish/ws-orderbook/  
**Provider:** Bullish — https://apis.io/providers/bullish/  
**Base URL:** wss://api.exchange.bullish.com  
**Documentation:** https://docs.exchange.bullish.com/websocket/public/market-data/orderbook

Bullish WebSocket Multi-Order Book API is one of 32 APIs that [Bullish](https://apis.io/providers/bullish/) publishes on the [APIs.io](https://apis.io/) network, described by an AsyncAPI event-driven specification. Tagged areas include Market Data and WebSocket. The published artifact set on APIs.io includes an AsyncAPI specification and API documentation.

AsyncAPI 3.0.0 document for simultaneous subscriptions to multiple L1 and L2 order books across different Bullish markets over WebSocket.

## Machine-readable artifacts (2)

- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/bullish/refs/heads/main/asyncapi/bullish-ws-orderbook-asyncapi.yml
- **Documentation** — https://docs.exchange.bullish.com/websocket/public/market-data/orderbook

## Other Bullish APIs (12)

- [Bullish Deprecated Features and APIs](https://apis.io/apis/bullish/deprecated-api/)
- [Bullish WebSocket Anonymous Trades API](https://apis.io/apis/bullish/ws-trades/)
- [Bullish WebSocket Anonymous Ticks API](https://apis.io/apis/bullish/ws-ticks/)
- [Bullish WebSocket Auction Feed API](https://apis.io/apis/bullish/ws-auction/)
- [Bullish WebSocket Index Data API](https://apis.io/apis/bullish/ws-index-data/)
- [Bullish WebSocket Private Data API](https://apis.io/apis/bullish/ws-private-data/)
- [Bullish FIX API](https://apis.io/apis/bullish/fix-api/)
- [Bullish Aggregator API](https://apis.io/apis/bullish/aggregator-api/)
- [Bullish Account Assets API](https://apis.io/apis/bullish/bullish-account-assets-api/)
- [Bullish Amm Instructions API](https://apis.io/apis/bullish/bullish-amm-instructions-api/)
- [Bullish Asset Data API](https://apis.io/apis/bullish/bullish-asset-data-api/)
- [Bullish Auction Public API](https://apis.io/apis/bullish/bullish-auction-public-api/)

## Tags

Market Data, WebSocket

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/bullish/ws-orderbook/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/bullish/.