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 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 ...

Google estimates that the fee for this will range from $15,000 – $75,000, and possibly more, although it depends on the specific of the app. Alternatively, developers may provide a certification ...