The Echo Nest API, a suite of web services for music search and recommendations, officially launched at DEMOfall08. As they say: " Input any song and get an XML description of its content." It's a very intriguing API that's increasingly attracting the notice of the developer community. Paul Lamere exemplifies the excitement Echo Nest is eliciting in his recent Sun blogs post "The Echo Nest Developer's API.
Developers are often finding themselves as API providers in addition to consumers. The same is now true for me with my project, BuildaSearch. I recently released a BuildaSearch API for deeper site search integration, moving away from a more plug-and-play approach I took earlier on.
This is the first part of our series on push technologies. This article will look at Webhooks, explaining what they are, how they work and why they are well suited to use cases where the underlying data is constantly refreshing. We will also look at examples of APIs that are supporting this style.