The Diigo Objective-C SDK by Taichiro Yoshida allows API interaction to implement bookmarks into web applications. With the SDK, developers can sync bookmarks, display bookmarks in a menu, and open bookmarks in browser-based services.
There is a lot of discussion going on right now about what is wrong with the American public school system and about how to fix it. But despite heated debates about what's working and what's failing, there is still a lack of good information, particularly when it comes to what teachers need in their classrooms and what matters most to parents. DonorsChoose.org is trying to bridge that gap and now has a contest to encourage developers to help by using its DonorsChoose API.
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.
The API for the Incorporated Research Institutions for Seismology’s (IRIS) Seismographs in Schools Program returns XML. It retrieves stations, station information, events, event information, and networks affiliated with IRIS.