Human mailbox APIs

This category lists 3 live-checked APIs that connect agents to existing human mailboxes (Gmail, Microsoft Graph, Proton Bridge). Current entries include Gmail API, Microsoft Graph Mail, Proton Mail Bridge. 3/3 passed the latest link check. Common tags in this set: oauth, api, imap, smtp.

3 entries · data 2026-11-06T12:47:17Z

Gmail API

Google's mail API for agents acting inside a user's Gmail/Workspace (not a dedicated agent inbox).

human-mailboxoauthoauthapi

Free with Google account quotas live · 200 · 714ms

Microsoft Graph Mail

Official Graph API for Outlook/Exchange mailboxes when an agent acts on a human's Microsoft account.

human-mailboxoauthoauthapi

Microsoft 365 licensing live · 200 · 153ms

Proton Mail Bridge

Local Bridge exposing Proton Mail over IMAP/SMTP for desktop agents with a Proton account.

human-mailboxlocalimapsmtp

Proton paid plans live · 200 · 534ms

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