# LSEG WebSocket API

**Canonical:** https://apis.io/apis/refinitiv-eikon/lseg-websocket-api/  
**Provider:** Refinitiv Eikon — https://apis.io/providers/refinitiv-eikon/  
**Base URL:** wss://api.refinitiv.com  
**Documentation:** https://developers.lseg.com/en/api-catalog/real-time-opnsrc/websocket-api

LSEG WebSocket API is one of 47 APIs that [Refinitiv Eikon](https://apis.io/providers/refinitiv-eikon/) publishes on the [APIs.io](https://apis.io/) network, described by an AsyncAPI event-driven specification. Tagged areas include Market Data, Real-Time, Streaming, and WebSocket. The published artifact set on APIs.io includes API documentation, a getting-started guide, a GitHub repository, and an AsyncAPI specification.

Standards-based WebSocket API for real-time pricing streaming using JSON message formats. Connects to Real-Time Distribution Systems and Real-Time Optimized cloud solutions for data consumption, contribution, and posting across Python, R, .NET, and other platforms.

## Machine-readable artifacts (5)

- **Documentation** — https://developers.lseg.com/en/api-catalog/real-time-opnsrc/websocket-api/documentation
- **GettingStarted** — https://developers.lseg.com/en/api-catalog/real-time-opnsrc/websocket-api/quick-start
- **Tutorials** — https://developers.lseg.com/en/api-catalog/real-time-opnsrc/websocket-api/tutorials
- **GitHubRepository** — https://github.com/Refinitiv/websocket-api
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/refinitiv-eikon/refs/heads/main/asyncapi/refinitiv-eikon-asyncapi.yml

## Other Refinitiv Eikon APIs (12)

- [Eikon Data API](https://apis.io/apis/refinitiv-eikon/eikon-data-api/)
- [LSEG Messenger Bot SDK](https://apis.io/apis/refinitiv-eikon/lseg-messenger-bot-sdk/)
- [Messenger Side by Side API](https://apis.io/apis/refinitiv-eikon/messenger-side-by-side-api/)
- [Refinitiv Data Library for Python](https://apis.io/apis/refinitiv-eikon/refinitiv-data-library-for-python/)
- [Refinitiv Data Library for TypeScript](https://apis.io/apis/refinitiv-eikon/refinitiv-data-library-for-typescript/)
- [Refinitiv Data Library for .NET](https://apis.io/apis/refinitiv-eikon/refinitiv-data-library-for-net/)
- [Datastream Web Service API](https://apis.io/apis/refinitiv-eikon/datastream-web-service-api/)
- [Real-Time Java SDK](https://apis.io/apis/refinitiv-eikon/real-time-java-sdk/)
- [Real-Time C/C++ SDK](https://apis.io/apis/refinitiv-eikon/real-time-cc-sdk/)
- [Real-Time C# SDK](https://apis.io/apis/refinitiv-eikon/real-time-c-sdk/)
- [Eikon Side by Side Interoperability API](https://apis.io/apis/refinitiv-eikon/eikon-side-by-side-interoperability-api/)
- [Workspace Web Side by Side API](https://apis.io/apis/refinitiv-eikon/workspace-web-side-by-side-api/)

## Tags

Market Data, Real-Time, Streaming, WebSocket

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