Chronicling America
Provides access to millions of pages of historic US newspapers from the Library of Congress

Real-time and historical global news with multilingual support.
Currents API is a free News API that requires apiKey authentication, is served over HTTPS and supports CORS, so it can be called from the browser.
Get a free Currents News API key and access real-time JSON news data, latest-news feeds, keyword search, 26M+ articles, and 250 daily requests.
Details from currentsapi.services.

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Provides access to millions of pages of historic US newspapers from the Library of Congress
The Currents API is provided by Currents News API (currentsapi.services). Get a free Currents News API key and access real-time JSON news data, latest-news feeds, keyword search, 26M+ articles, and 250 daily requests.
Yes. The Currents 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 Currents API uses apiKey authentication, so you need to register for credentials before making requests.
Yes. The Currents API supports CORS, so front-end JavaScript can call it directly.
Yes. The Currents API is served over HTTPS, so it's safe to use in production.