# Supra Price Feeds WebSocket API

**Canonical:** https://apis.io/apis/supra/supra-price-feeds-websocket-api/  
**Provider:** Supra — https://apis.io/providers/supra/  
**Base URL:** wss://prod-kline-ws.supra.com  
**Documentation:** https://docs.supra.com/oracles/apis-real-time-and-historical-data/websocket-api

Supra Price Feeds WebSocket API is one of 4 APIs that [Supra](https://apis.io/providers/supra/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Oracles, Market Data, Cryptocurrency, and Web3. The published artifact set on APIs.io includes API documentation and authentication docs.

Streaming oracle market-data API. Clients open a WebSocket to wss://prod-kline-ws.supra.com with an x-api-key header and send a subscribe action naming the ohlc_datafeed channel, a resolution in minutes, and a list of trading pairs; the server pushes an OHLC update each interval.

## Machine-readable artifacts (2)

- **Documentation** — https://docs.supra.com/oracles/apis-real-time-and-historical-data/websocket-api
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/supra/refs/heads/main/authentication/supra-authentication.yml

## Other Supra APIs (3)

- [Supra RPC Node API](https://apis.io/apis/supra/supra-rpc-node-api/)
- [Supra Price Feeds REST API](https://apis.io/apis/supra/supra-price-feeds-rest-api/)
- [Supra Automation API](https://apis.io/apis/supra/supra-automation-api/)

## Tags

Oracles, Market Data, Cryptocurrency, Web3

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