Past online whisky auctions statistical data.
WhiskyHunter API is a free Food & Drink API that requires no API key, is served over HTTPS and has unconfirmed CORS support.
Details from whiskyhunter.net.

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The WhiskyHunter API is provided by Whisky Hunter API (whiskyhunter.net).
Yes. The WhiskyHunter API is listed in the Food & Drink 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 WhiskyHunter API requires no authentication, so you can start making requests without signing up.
CORS support for the WhiskyHunter API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The WhiskyHunter API is served over HTTPS, so it's safe to use in production.