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Introduction

Give every agent a public email address.

agentinbox.pro is receive-only inbound email for agents. Get a platform demo address in seconds, or bring your own domain for catch-all routing. Every message becomes a signed JSON webhook event.

The contract

inbound email → normalized JSON event → your agent webhook

No inbox UI required. No IMAP. No outbound SMTP.

1. Create an instant inbox on agentinbox.pro — or register your domain via API
2. Send mail to your address
3. Receive signed JSON at your webhook (or inspect via API)
4. Route on recipient — multiplex agents on one domain

Instant try

Demo address on *.inbox.agentinbox.pro — no DNS setup to start.

Custom domain

BYOD catch-all: one MX record, every local part works.

Signed webhooks

HMAC payloads with stable event IDs and replay API.

  • An HTTPS endpoint that accepts POST and returns 2xx (for webhooks)
  • Or use the homepage demo to see JSON without code

Free tier: 1 domain, 100 inbound emails/day, 1 MB max message, 14-day retention.

Quickstart → — full BYOD domain path for production agents.