Google Workspace APIs Gmail API Access Gmail mailboxes and send mail. Documentation GitHub OpenAPI Documentation 📖 Documentation https://developers.google.com/gmail/api/guides 📖 Authentication https://developers.google.com/gmail/api/auth/about-auth Specifications ⚙ OpenAPI https://gmail.googleapis.com/$discovery/rest?version=v1 Other Resources 🔗 APIsJSON https://raw.githubusercontent.com/api-evangelist/google-suites/refs/heads/main/apis.yml