AI music generation API via Suno, with pay-as-you-go credits.
Sunor API is a free Music API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
Sunor API documentation for unified Suno and Udio access, including authentication, credits, billing controls, REST endpoints, and code examples.
Details from docs.sunor.cc.

Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
With SoundCloud API you can build applications that will give more power to control your content
Crowdsourced lyrics and music knowledge
The Sunor API is provided by Sunor API (docs.sunor.cc). Sunor API documentation for unified Suno and Udio access, including authentication, credits, billing controls, REST endpoints, and code examples.
Yes. The Sunor API is listed in the Music 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 Sunor API uses apiKey authentication, so you need to register for credentials before making requests.
CORS support for the Sunor API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The Sunor API is served over HTTPS, so it's safe to use in production.