The BBC API is intended to provide a persistent web presence for all BBC programs, both radio and television, in compliance with principles of linked data.
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.
Grabyo recently opened its doors as a TV clip sharing service. Alongside its go to market lies the Grabyo API that allows developers to integrate Grabyo functionality with third party apps and sites. Grabyo describes itself as "the ultimate second screen experience."