[This API is now part of Microsoft Graph. This profile is being maintained purely for historical and research purposes.]
From their site: Windows Live ID Web Authentication enables you to authenticate users on your Web site and offer personalized access to your siteï¿½s content to any of the millions of registered Windows Live ID users.
The following is a list of how-to and tutorial content that matched your search term. ProgrammableWeb's how-to content comes from two sources; full-blown tutorials that we publish ourselves and other highly relevant tutorials that we find elsewhere on the Web. This list represents on combination of both tutorial types and if you go to ProgrammableWeb's API University, you'll not only be able to find more, they are organized based on your role (API providers or developers who consumes APIs). If you know of a tutorial that would be of interest to the ProgrammableWeb community, we'd like to know about it. Be sure to check our guidelines for making contributions to ProgrammableWeb.