
Clash of Clans Game Information.
Clash of Clans API is a free Games & Comics API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
Channel Your Inner Builder with the Clash of Clans API. Access Clan Search, Global and Local Leaderboards, Clan and Player Profiles and Leagues.
Details from developer.clashofclans.com.

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Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
The Clash of Clans API is provided by Clash of Clans API (developer.clashofclans.com). Channel Your Inner Builder with the Clash of Clans API. Access Clan Search, Global and Local Leaderboards, Clan and Player Profiles and Leagues.
Yes. The Clash of Clans 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.
Yes. The Clash of Clans API uses apiKey authentication, so you need to register for credentials before making requests.
CORS support for the Clash of Clans API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The Clash of Clans API is served over HTTPS, so it's safe to use in production.