
Real-time sports betting odds from 365+ bookmakers across 34 sports via REST and WebSocket.
Odds-API is a free Sports & Fitness API that requires apiKey authentication, is served over HTTPS and supports CORS, so it can be called from the browser.
Get an Odds API key and make your first request in minutes. REST and WebSocket docs for live and pre-match odds from 415+ bookmakers across 34 sports.
Details from docs.odds-api.io.

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The Odds-API is provided by Odds-API.io (docs.odds-api.io). Get an Odds API key and make your first request in minutes. REST and WebSocket docs for live and pre-match odds from 415+ bookmakers across 34 sports.
Yes. The Odds-API is listed in the Sports & Fitness category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Yes. The Odds-API uses apiKey authentication, so you need to register for credentials before making requests.
Yes. The Odds-API supports CORS, so front-end JavaScript can call it directly.
Yes. The Odds-API is served over HTTPS, so it's safe to use in production.