
Data and facts on solar system bodies and planets.
Solar System OpenData API is a free Science & Math API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.
Une API Rest ouverte avec toutes les données du Système solaire
Details from api.le-systeme-solaire.net.

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Yes. The Solar System OpenData 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 Solar System OpenData API requires no authentication, so you can start making requests without signing up.
Yes. The Solar System OpenData API supports CORS, so front-end JavaScript can call it directly.
Yes. The Solar System OpenData API is served over HTTPS, so it's safe to use in production.