Instant try
Demo address on *.inbox.agentinbox.pro — no DNS setup to start.
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 webhookNo inbox UI required. No IMAP. No outbound SMTP.
1. Create an instant inbox on agentinbox.pro — or register your domain via API2. Send mail to your address3. Receive signed JSON at your webhook (or inspect via API)4. Route on recipient — multiplex agents on one domainInstant 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.
POST and returns 2xx (for webhooks)Free tier: 1 domain, 100 inbound emails/day, 1 MB max message, 14-day retention.
Quickstart → — full BYOD domain path for production agents.