– Messenger IM Control allows a user to publish their presence and receive messages via the web from anonymous users without Messenger client installed via a control they can place on any website, the messages received are surfaced within the Messenger Client.
– The Presence API is a JSON API which returns the publishing user’s status & display name.
The Windows Live Messenger IM Control lets people on the Web reach you in Messenger by showing your Messenger status on your web site, blog, or social networking profile. The Windows Live Messenger IM Control runs in the browser and lets site visitors message you without installing Messenger first. The IM Control is supported in IE6, IE7, and Firefox 2.0 on Windows and Firefox 2.0 on Mac OS. The IM Control is supported in 32 languages.