When you gotta go, you gotta know: where’s the nearest toilet? SitOrSquat has been helping answer that question for several years. Now the SitOrSquat API will allow you to interface with the app's extensive database of public restrooms, replete with all kinds of meta data.
According to a BBC news story, SpeakLike "crowd sources work to its pool of 3,000 translators, They can translate your blog into 35 languages and, incredibly, can even do tweets and live chats." Plus, they have the SpeakLike API.
TD Ameritrade's open API, Veo, has been used to offer greater insight to traders through integration with third party applications and its own trading services (e.g. service accounts, process client data, money on demand, etc.). However, TD Ameritrade may have shown its true belief in the power of APIs with its acquisition of iRebal. By integrating iRebal's rebalancing software with the Veo API, TD Ameritrade is able to remove tedious, manual processes that typically appear with rebalancing.