Agora.io has launched an Agora Interactive Broadcasting API developers can use to add real-time interactive broadcasting capabilities to web and mobile applications. Agora Interactive Broadcasting supports up to 7 active speakers and 10,000 participants, and is available via the Agora SDK.
Social Foundry, plug and play API infrastructure provider, has announced REST support for its SOAPbox API adaptor. SOAPbox exposes database operations through web services. This simplifies API creation, so software and app developers can concentrate on functionality, not manual coding methods.
The non-profit built for "opening America's government" has created an app to show off its Congressional data, as well as its API (our Sunlight Labs API profile). You can't get this app on the web, though, as it's available exclusively for the Android phone platform.