I would like to know if it is possible to call and use (API / web service ) Windows Live Messenger Service to include it in a web application (access to contact liste, presence, send and receive instant message)

And where documentation is available

Thanks in advance.

Re: Windows Live Messenger API/Webservice call documentation from a web application


I'm also looking forward for this API :

Live Messenger web prescence API + Live Messenger web IM Control : will be available by fall 2007

you can check this link: for the REST API