The Gmail Objective-C SDK written by Google provides access to the JSON API considering Apple application development. It is compatible with iOS 3+ and Mac OS X 10.5+. Along with the access to the Gmail API, the Objective-C library can also interact with the AdSense, Blogger, Calendar, Drive, and Fitness Google APIs.
Our API directory now includes 945 social APIs. The newest is the SmartBots API. The most popular, in terms of mashups, is the Twitter API. We list [num] Twitter mashups. Below you'll find some more stats from the directory, including the entire list of social APIs.
In the wake of a scandal that has led to the biggest backlash it has ever faced, Facebook has announced API and platform product changes that will have far-reaching consequences for developers. The changes include the need for developers to submit their apps to Facebook for review.