The Spotify Echo Nest Objective-C library access the music functionalities of the API with Apple development in mind. Resources include full access to artists, songs, playlists, and taste profiles methods. It also provides methods to retrieve information of a particular track. An example app is available to demonstrate how to integrate the library into an XCode project.
Continuing our series on push technologies, part three looks at WebSockets and how they are appropriate for when you need a server-to-client real time interactive exchange. Part three discusses what you can do with WebSockets and how it differs from other push technologies.
As the week kicks into high gear, here is another edition of ProgrammableWeb's "In other API Economy News". Today we look at the Audioburst API, billed as the Google for audio; Status.im's API for creating decentralized chatbots, Movesense's announcement of their motion sensor and SDK and more.