
Company, vehicle, launchpad and launch data.
SpaceX API is a free Science & Math API that requires no API key, is served over HTTPS and does not support CORS, so it should be called from a server.
:rocket: Open Source REST API for SpaceX launch, rocket, core, capsule, starlink, launchpad, and landing pad data.
Details from github.com.

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The SpaceX API is provided by r-spacex (github.com). :rocket: Open Source REST API for SpaceX launch, rocket, core, capsule, starlink, launchpad, and landing pad data.
Yes. The SpaceX API is listed in the Science & Math 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 SpaceX API requires no authentication, so you can start making requests without signing up.
Not directly. The SpaceX API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Yes. The SpaceX API is served over HTTPS, so it's safe to use in production.