
Data on international sanctions, crime and politically exposed persons.
OpenSanctions API is a free Open Data API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.
You're using the API? How exciting! This page will get you started by linking to all the relevant resources.
Details from opensanctions.org.

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The OpenSanctions API is provided by OpenSanctions (opensanctions.org). You're using the API? How exciting! This page will get you started by linking to all the relevant resources.
Yes. The OpenSanctions API is listed in the Open Data 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 OpenSanctions API requires no authentication, so you can start making requests without signing up.
Yes. The OpenSanctions API supports CORS, so front-end JavaScript can call it directly.
Yes. The OpenSanctions API is served over HTTPS, so it's safe to use in production.