The Windows Live Contacts API defines a set of Web services that let customers programmatically access the Windows Live Contacts Address Book database.
The Windows Live Contacts Web service is exposed to clients in a HTTP/GET request interface with XML response.
This API is intended for customers and partners who want to take advantage of the address book service that is known as Windows Live Contacts. An example of an application that may be built on this API is described in About the W
more...