email infrastructure for ai agents

Give your AI agent
a real inbox.

Create inboxes, send and receive mail, attach custom domains, and trigger workflows from real mailbox events without running the mail stack yourself.

Create your first inbox Read the quickstart

One API call

Create an inbox in seconds

A single POST gives your agent a real email address with full send/receive capabilities, IMAP/SMTP credentials, and webhook notifications.

Real mailboxes with IMAP + SMTP access
Custom domains with automated DNS verification
Webhooks for real-time event delivery
Scoped API keys for secure automation

POST /api/v0/inboxes

{
  "username": "support-agent",
  "domain": "acme.com",
  "display_name": "Support Agent"
}

Response

{
  "inbox_id": "inb_a1b2c3",
  "email_address": "support-agent@acme.com",
  "imap": { "host": "mail.acme.com", "port": 993 },
  "smtp": { "host": "mail.acme.com", "port": 587 }
}

Ship the first proof fast

Prove send, receive, domains, and webhooks before you worry about operating email infrastructure.

Create your first inboxRead the quickstart