The Beats Music Java SDK is one of the resources available inside the Beats Music developer's site. It redirects to a GitHub repository created by Dan Sabin. Having Android development in mind, users can consider the functionalities of the API that include to access data of music catalogs, music playlists, and music tracks. The API requires Key to authenticate and it is protected with SSL.
Elsten software, digital music organizer, has announced OneMusicAPI. Proclaimed to be "OneMusicAPI to rule them all," the API acts as a music metadata aggregator that pulls from multiple sources across the web through a single interface. Elsten founder and OneMusicAPI creator, Dan Gravell, found keeping pace with constant changes from individual sources became too tedious a process to adequately organize music.