The growth of APIs owes a lot of thanks to mobile. The reverse is also true, as APIs make possible much of what happens on mobile devices. Along the way, popular API segments have grown with mobile-specific offerings. Perhaps predictably, mobile payments is one of those areas of hyper growth. The most recent crop of mobile payment APIs focuses on specific platforms much of the time, either in addition to or instead of a more universal RESTful API.
When it comes to mobile computing most organizations are relying on applications that are running on a number of devices that remotely access data via an API. The folks at Usablenet are leveraging RESTful APIs to make the case for the exact opposite scenario.