Gmail, the web-based email service owned by Google, offers a library in Java language for Android development. The overview contains how to create and send e-mail, how to manage mailboxes, how to authorize API requests, and how to migrate from a previous API. Best practices guide users through batch requests and performance tips.
To provide more options in searching for relevant contacts, Microsoft has decided to transition WorkingWith API users to its new People API. The People API not only provides more robust metadata than the WorkingWith API, the People API includes greater browse/search functionality and ranking system.