The Discogs NodeJS SDK allows developers to deploy OAuth support when building applications that work with the Discogs API v2.0. Some of the functional attributes of the SDK include: adaptability to all endpoints, support features such as pagination and rate limiting, and easy access to protected endpoints through the use of the Discogs Auth.
Once you get beyond the most basic map mashups, you'll run into a problem with data storage and access, because you can't hard-code hundreds of markers. It's a problem that SimpleGeo wants to fix. And from the looks of their new platform, they've gone beyond expectations.
Developers have consumed APIs as a matter of practice for some time now. It's second nature. But the flip side--creating an API--is not performed with the same regularity. To some extent, this is changing as more developers become both consumers and providers of APIs. Below you'll find some tools and services that make the process of creating an API much simpler.
Senzari, a cutting-edge music technology company, has launched MusicGraph, a knowledge engine for music that is modeled after a semantic network and powered by an API with an architecture that is similar to Facebook Open Graph Protocol. Senzari has also released a MusicGraph API which allows developers to retrieve objects from the MusicGraph.