Gmail API Overview | Google Developers
developers.google.com › gmail › apiSep 27, 2022 · The Gmail API is a RESTful API that can be used to access Gmail mailboxes and send mail. For most web applications the Gmail API is the best choice for authorized access to a user's Gmail data and is suitable for various applications, such as: Read-only mail extraction, indexing, and backup. Automated or programmatic message sending.