Google this week began offering an alpha version of Google APIs Client Library for JavaScript, which provides access to HTTP-based APIs on the Web, as well as to many of Google’s public APIs ...

Developers use application programming interfaces to hide complexity, organize code, design reusable components, and connect different systems, applications, or services.

ESRI will offer a complimentary Web seminar this month on how to use the new ArcGIS JavaScript APIs to build high-performance, easy-to-use online mapping applications.

Microsoft is opening up Excel to developers with a new JavaScript API. It will let developers use custom data types like images, cards, and arrays.

Microservices also make it easy to expose services to external users using APIs, perhaps relying on rich JavaScript clients to generate web pages and views on the client device.