
GraphQL powered Pokemon API. Supports generations 1 through 8.
GraphQL Pokemon API is a free Games & Comics API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.
Extensive Pokémon GraphQL API.
Details from github.com.

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The GraphQL Pokemon API is provided by favware (github.com). Extensive Pokémon GraphQL API.
Yes. The GraphQL Pokemon API is listed in the Games & Comics 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 GraphQL Pokemon API requires no authentication, so you can start making requests without signing up.
Yes. The GraphQL Pokemon API supports CORS, so front-end JavaScript can call it directly.
Yes. The GraphQL Pokemon API is served over HTTPS, so it's safe to use in production.