The Burstly Skyrocket API for download tracking of conversions from mobile ads uses as RESTful http interface. More than 300,000 apps use Burstly services to beta test, analyze and monetize their offerings. By spanning the development process from end to end, Burstly's newly structured offerings give developers the choice between choosing among Testflight, Flightpath, and Skyrocket, or using them all.
The travel site Orbitz has partnered with Google to show a virtual walking tour of the neighborhood around a hotel. You and I know it as the Street View API, part of Google Maps (our Google Maps API profile).