The Bazaarvoice iOS SDK by Bazaarvoice allows API interaction to integrate marketing features such as Q&A's, feedbacks, and reviews into applications. Resources include installation, requirements, and running tests. Authored by Jason Harris.
The availability of the EmoVu API means that developers can create emotionally intelligent applications using artificially intelligent emotion-recognition technology. This article takes a closer look at what the EmoVu API can do.
Here is an interview with Scoreoid founder and CEO, Almog Koren. Scoreoid allows you to gamify apps using the Scoreoid API and backend as a service. With 3000+ games and almost 1.8 billion monthly sessions- this is one API startup that seems to be going places.