Send, read, and search email messages with support for recipients, attachments, and HTML content. Create, update, and send drafts. Manage conversation threads and organize messages with labels. Search mailboxes using Gmail query syntax (from, to, subject, date, attachment filters). Configure mail settings including forwarding rules, filters, vacation responders, signatures, aliases, and delegates. Import and insert messages for migration. Sync mailbox changes incrementally via history API. Subscribe to mailbox change notifications via push notifications.

Create, read, update, and delete contacts with rich data fields including names, emails, phone numbers, addresses, organizations, birthdays, and notes. Search contacts by name, email, or phone number. Manage contact groups (labels) by creating, updating, and listing groups and their members. Access "Other contacts" automatically saved by Google. Browse Google Workspace directory profiles. Retrieve authenticated user profile information and public Google profile data. Manage contact photos.

Upload, download, create, copy, move, rename, trash, and permanently delete files and folders in Google Drive. Search for files using complex queries filtering by name, MIME type, owner, modification date, labels, and other metadata. Share files and folders with specific users, groups, or domains with role-based permissions (owner, writer, commenter, reader). Manage shared drives and their members. Export Google Workspace files (Docs, Sheets, Slides) to standard formats like PDF, DOCX, and XLSX. Track file revision history and restore earlier versions. Create, read, update, and delete threaded comments and replies on files. Apply and read custom labels on files. Monitor file and folder changes via push notifications or webhook subscriptions. Store app-specific data in a hidden per-user folder.