The Bandwidth C# SDK by Bandwidth provides users with tools that assist with using the Bandwidth API. Some of these include: application management, controlling bridges between calls, searching free local or toll-free phone numbers, sending and listing SMS/ MMS, managing recordings, and more. The Bandwidth API allows users to make calls to get information about an account, get a list of transactions made on an account, as well as calls for phone numbers, messages, calls, media, applications, errors, and other resources.
SlickText, a leading text messaging marketing company, has announced that the company plans on releasing an API which will make it possible for developers to integrate the SlickText platform into their applications. The number of Messaging APIs has been growing steadily and at the time of this writing, there are 261 Messaging APIs in the ProgrammableWeb Directory.
Stereomood is a streaming music service that gives recommendations. To start, it uses a list of moods, each of which have an associated playlist. While playing songs, users can like or ban songs, much like Last.fm or Pandora. The Stereomood API allows full access to the site's functionality to developers, allowing developers to make fully usable clients on any platform.