The Rdio iOS SDK by Rdio allows API interaction via a native playback implementation. With the SDK, developers can make calls, authenticate users, and stream audio. Available framework, documentation, and a getting started guide.
Sony recently launched its first Audio Control API. That API allows third party apps to control certain audio features of compatible Sony devices. While this is the first Audio API play from Sony, the same strategy was used in a camera scenario through the Sony Camera Remote API.
gRPC is an alternative architectural pattern to REST and GraphQL for providing and consuming APIs. It's becoming a popular way among many companies to create APIs intended to run at web-scale compared to the other architectures that often rely on data formatting standards such as JSON or XML.
Our API directory now includes 51 audio APIs. The newest is the Umano API. The most popular, in terms of mashups, is the SoundCloud API. We list 27 SoundCloud mashups. Below you'll find some more stats from the directory, including the entire list of audio APIs.