The free-to-use Pokémon RESTful API (Pokéapi) is linked to an extensive database of Pokémon-related information- a true virtual Pokédex. Pykemon is a wrapper that enables an interface to the Pokéapi from a Python application. The software is supported by the primary maintainer of the Pokéapi, Paul Hallett. It is free-to-use under a BSD license.
In July, ProgrammableWeb reported that Amazon had launched GameCircle, a new set of gaming APIs and services for the Kindle Fire. Amazon has just announced the launch of the Amazon A/B Testing Service Beta, which offers easy in-app A/B testing for developers who create and distribute apps and games using the Amazon Mobile App Distribution Program.
For staying up to date with band tour dates, live venue information and more, Pollstar has it covered. It's a trade publication that covers music industry information on a worldwide scale. What's pretty cool is that Pollstar provides an API that allows third party developers access to the full event database, enabling them to include Pollstar data on other websites and applications.