Search for news and metadata from Associated Press.
Associated Press API is a free News API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
A starting point for developers interested in AP APIs. If you are looking for seamless access to AP news content, metadata or elections data, AP has the right API for you.
Details from developer.ap.org.

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Provides access to millions of pages of historic US newspapers from the Library of Congress
The Associated Press API is provided by AP Developer (developer.ap.org). A starting point for developers interested in AP APIs. If you are looking for seamless access to AP news content, metadata or elections data, AP has the right API for you.
Yes. The Associated Press API is listed in the News 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 Associated Press API uses apiKey authentication, so you need to register for credentials before making requests.
CORS support for the Associated Press API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The Associated Press API is served over HTTPS, so it's safe to use in production.