Facebook today announced that it has made its first major API contribution to Google’s Chrome browser. Together with Google, Facebook’s team created an API proposal to contribute code to the ...

The OpenAI WebRTC Realtime API enables real-time AI interactions directly within browsers by combining WebRTC and client-side JavaScript execution, eliminating the need for server-side processing.

Google's new API is superior to the existing WebGL used for Javascript due to "more flexible GPU programming and access to advanced capabilities that WebGL does not provide," according to Google.

Dolphin Garage Gives Developers Access to Dolphin's API, Also Available Through Adobe's PhoneGap June 28, 2012 – San Francisco, CA – GOOGLE I/O - Dolphin Browser, the most popular third-party ...

Although some browsers supported geolocation functionality prior to HTML5, it is the standardized API that brings new value.

From the Chromium blog: Improving the traditional browser plug-in model will make it possible for plug-ins to be just as fast, stable, and secure as the browser’s HTML and JavaScript engines.

The popular Dolphin web browser for Android and iOS devices has opened its API to help third-party developers create better add-ons, the company announced today.

Apple has developed a JavaScript API for its Live Photos, allowing pictures taken with the iOS feature to be shared on the web.