Independent monthly latency benchmark of sports odds APIs, with free JSON and CSV data.
OddsBench API is a free Sports & Fitness API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.
Use OddsBench data on your own site or in your AI agent: a single JSON endpoint, no key, monthly self-updating, CC BY 4.0.
Details from oddsbench.xyz.

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The OddsBench API is provided by OddsBench (oddsbench.xyz). Use OddsBench data on your own site or in your AI agent: a single JSON endpoint, no key, monthly self-updating, CC BY 4.0.
Yes. The OddsBench 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 OddsBench API requires no authentication, so you can start making requests without signing up.
Yes. The OddsBench API supports CORS, so front-end JavaScript can call it directly.
Yes. The OddsBench API is served over HTTPS, so it's safe to use in production.