By exposing a new RESTful API for Yahoo! Messenger, we’re allowing you to develop your own innovative programs and tools that make the most of what the Yahoo! IM platform can offer.
Developing for the platform is simple. All you need is a little knowledge of HTTP and JSON, and you’ll be connecting with people across the world in no time, no matter what programming environment you’re using. And from there, just let your imagination run wild with the groundbreaking applications you can create.