# Twelve Data WebSocket Streaming API

**Canonical:** https://apis.io/apis/twelvedata/twelvedata-websocket-streaming-api/  
**Provider:** Twelve Data — https://apis.io/providers/twelvedata/  
**Base URL:** wss://ws.twelvedata.com/v1/quotes/price  
**Documentation:** https://twelvedata.com/docs/websocket/ws-real-time-price

Twelve Data WebSocket Streaming API is one of 15 APIs that [Twelve Data](https://apis.io/providers/twelvedata/) publishes on the [APIs.io](https://apis.io/) network, described by an AsyncAPI event-driven specification. Tagged areas include Real-Time Data, WebSocket, Streaming, and Market Data. The published artifact set on APIs.io includes API documentation and an AsyncAPI specification.

Real-time price streaming over a persistent, bidirectional WebSocket at wss://ws.twelvedata.com/v1/quotes/price. Clients authenticate with an apikey query parameter, send JSON subscribe / unsubscribe / reset control messages, and receive pushed price events (roughly 170ms average latency), subscribe-status acknowledgements, and heartbeats.

## Machine-readable artifacts (3)

- **Documentation** — https://twelvedata.com/docs/websocket/ws-real-time-price
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/twelvedata/refs/heads/main/asyncapi/twelvedata-asyncapi.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/twelvedata/refs/heads/main/apis.yml

## Other Twelve Data APIs (12)

- [Twelve Data Core Data API](https://apis.io/apis/twelvedata/twelvedata-core-data-api/)
- [Twelve Data Fundamentals API](https://apis.io/apis/twelvedata/twelvedata-fundamentals-api/)
- [Twelve Data Reference Data API](https://apis.io/apis/twelvedata/twelvedata-reference-data-api/)
- [Twelve Data Technical Indicators API](https://apis.io/apis/twelvedata/twelvedata-technical-indicators-api/)
- [Twelve Data Time Series API](https://apis.io/apis/twelvedata/twelvedata-time-series-api/)
- [Twelve Data Advanced API](https://apis.io/apis/twelvedata/twelvedata-advanced-api/)
- [Twelve Data Analysis API](https://apis.io/apis/twelvedata/twelvedata-analysis-api/)
- [Twelve Data Currencies API](https://apis.io/apis/twelvedata/twelvedata-currencies-api/)
- [Twelve Data Etfs API](https://apis.io/apis/twelvedata/twelvedata-etfs-api/)
- [Twelve Data Market Data API](https://apis.io/apis/twelvedata/twelvedata-market-data-api/)
- [Twelve Data Money Market Funds API](https://apis.io/apis/twelvedata/twelvedata-money-market-funds-api/)
- [Twelve Data Mutual Funds API](https://apis.io/apis/twelvedata/twelvedata-mutual-funds-api/)

## Tags

Real-Time Data, WebSocket, Streaming, Market Data

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