Online bookseller Erapublications has an API for its in2Era web service for selling ebooks through online distributors. According to its documentation, this RESTful API, which requires an authentication key, integrates its catalog onto your site. Distributors get a cut of the sales.
Learnosity is focused on helping educational publishers and assessment companies provide teachers with the tools needed to assess their students whether they are in North & South America, Asia, Africa, Australia, the Middle East, or Europe. The Learnosity APIs join nearly 250 APIs focused on education in our directory. The documentation is split into three different sections: authoring, assessment, and reporting, with further subdivisions for each API within those sections.
Knowledge is king. Learning more about a certain field or expertise just means better odds for outstanding productivity and achievement. How great would it be if there were an easy way to get that information into our heads. Drillster is one service that aims to help people to learn quickly and retain the information they need to know. It's an interactive learning and test application aimed at both education and business. Drillster's API makes it possible for developers to integrate this functionality with other applications.