Eventful shares its Java library to access the API with Android devices in mind. Classes include operations, search request, and sort order of respective event, performer, and venue. Complete index available. From single events to massive concerts, Eventful API functions correspond to a collection of events that occur around the world.
The most popular API, in terms of mashup count, is far and away the Google Maps API, which accounts for 41% of all mashups. But when it comes to the most popular pair of APIs, Flickr and YouTube mashups are the most common. Not to be outdone, Google Maps joins Flickr in a near second place.
Google has announced several very interesting updates to its Book Search tools, including an embeddable viewer for book previews and a data API. These should open-up a wide range of book-related applications. This follows-up on Google's release in March when they launched the first API for Google Book Search, the Book Viewability API.