Upcoming chess tournaments from 140+ national federations worldwide.
TourneyRadar API is a free Sports & Fitness API that requires no API key, is served over HTTPS and has unconfirmed CORS support.

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Real-time sports data: odds, scores, stats & prediction markets, 30+ leagues, 18+ sportsbooks
Query sports data, including teams, players, games, scores and statistics
Yes. The TourneyRadar 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.
No. The TourneyRadar API requires no authentication, so you can start making requests without signing up.
CORS support for the TourneyRadar API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The TourneyRadar API is served over HTTPS, so it's safe to use in production.