The legendary Billboard charts are now open for mixing, not by DJs, but by programmers. Billboard, a service of Nielsen Business Media, has a new API that lets developers search and read information from all the Billboard historical charts. The initial offering is its Chart service and later on Billboard will "roll out the Artist and Track services to add even more depth and perspective." the API is a simple REST interface that developers can send HTTP GET requests to in a familiar service/version/resource fashion. We've added a new Billboard API profile with details.
In what might be a first in the world of open APIs and mashups, a developer has been sued by a major corporation for developing an application using a third party web service API. As TechCrunch's Jason Kincaid reports, Ryan Sit, the talented developer behind a number of popular mashups is being sued by EMI for his application Favtape because it uses the Seeqpod API. Of course it's not unusual for a record label to aggressively use the courts to defend copyright, but this appears to take the battle to a new ground. As Jason describes: