The AT&T iOS SDK is a development kit for multiple AT&T APIs i.e. Speech, Advertising, and In-App Messaging, written in Objective-C. This SDK provides developers a way to integrate these APIs with their mobile applications using Objective-C.
Google intends to shut down the Google Hangouts API on April 25th. The change means developers will not be able to create new apps using the API, and any existing apps that rely on the API will effectively be left for dead on their feet. Why? So Google can further refine Hangouts for the enterprise.
Slack, a popular collaboration tool that helps teams streamline communication and eliminate email clutter, has set its sights on becoming the default messaging platform that developers will integrate with. Slack officially announced the Slack Platform at a recent Launch event.