The Mendeley iOS SDK by Mendeley aims to simplify the integration of the API in Apple devices. It offers methods and classes for Mac OSX and iOS applications. In addition, it provides instructions to install with CocoaPods and with repository cloning. Because this is an early version, developers are invited to contribute. Authored by Peter Schmidt.
If math is about measurement, then Mathletics may have your child's number. Much like games that post the best scores of players, the Mathletics SOAP API makes student scores accessible to programs as well as its website.
Sometimes it takes a little human intervention to make semantic applications easier to build. The Guardian newspaper has augmented its Open Platform API with unique identifiers for bands and books. In turn, the company has simplified the process of creating a mashup that uses multiple sources to focus on a single work, which may help its content spread farther.