Designed to let you easily deliver Gmail-enabled features, this new API is a standard Google API, which gives RESTful access to a user’s mailbox under OAuth 2.0 authorization.

Google provides client libraries for Gmail API for several languages, such as Java, JavaScript, .NET, Python, Objective-C, and PHP. Early-stage client libraries are also available for Go, Node.js ...

Google has updated the Gmail API with new endpoints for managing settings. The additions cover filters, forwarding addresses, auto-forwarding, IMAP/POP settings, send-as aliases, signatures, and ...