The NYC Department of Education has announced the Gap App Challenge. The Challenge developed out of the Innovate NYC Schools initiative. The initiative includes a community of 250 schools that search for and implement new models of teaching and learning.
Developers are often finding themselves as API providers in addition to consumers. The same is now true for me with my project, BuildaSearch. I recently released a BuildaSearch API for deeper site search integration, moving away from a more plug-and-play approach I took earlier on.
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.