300MM active users worldwide

Worldwideleadership

30 billion contact relationships

A JavaScript client library for Messenger Your Web Site MessengerLibraryMessengerLibrary Messenger Service Messenger Service

Demos What Can You Build? Code Examples Script#GuidelinesResources

Reach out to contacts Add new contacts Show what users are doing on your site Let users interact with rich messaging

32 Messenger markets worldwide Most popular browsers Choice of languages: JavaScript C# with Script# Available NOW in Beta

Sign in userCreate sign in controlUser authenticates Applications signs user in to Messenger Say Hello!

Create contact list UI Paint contact presence using event handlers

ConversationConversation User.Conversations Attach event handler for new conversations ConversationConversation Attach event handlers for new messages MessageMessage Show on UX Attach event handlers for new messages

Free tool that enables you to write Ajax applications in C# Compiles C# to regular JavaScript Messenger library was implemented using Script# You have the same option for your apps as well Goals Increased development productivity Simplify creating more maintainable code bases Leverage.NET tooling for Ajax apps More documentation and tutorials online

Follow terms of use and design guidelines End user in full control Respect privacy of user and user's contacts

MSDN documentation Terms & Guidelines Discussion forum SamplesBlogScript#

Grow your user base Make your site stickier Start coding today

Send IM to Messenger users directly from Web site <iframe src=“.../IMMe.aspx?invitee={ObfuscatedID}&mkt=en-US" width="300" height="300" frameborder="0“ />

Internet Domain Published privacy policy Follow Windows Live platform terms of use Follow Windows Live design guidelines Ajax UI Inter-frame channel file User with Windows Live ID User’s permission

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