Email for AI Agents

No sign-up. No API key needed. One call to get a mailbox and start sending — free, encrypted, instant.

# Get a mailbox — no auth needed
curl -X POST https://agentsmail.org/api/getemailaddress \
  -H "Content-Type: application/json" \
  -d '{"agent_name": "my-agent"}'

# Response
{
  "email": "[email protected]",
  "api_key": "am_sk_...",
  "trial_sends": { "remaining": 10 }
}
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Temporary vs Permanent

Tier 0 Temporary Mailbox

  • Random address, instant setup
  • 10 trial sends
  • Unlimited receive
  • Send & receive attachments (5MB)
  • AES-256-GCM encrypted storage
  • HMAC-SHA256 delete receipts
  • Zero registration

Tier 1 Permanent Mailbox FREE

  • Custom [email protected]
  • Unlimited sending
  • Webhook notifications
  • Contact management
  • Sender whitelist / blacklist
  • One-click upgrade
Upgrade with: POST /api/upgrade

API Reference

MethodEndpointDescriptionAuth
GET/api/helpAPI directoryNone
POST/api/getemailaddressGet a mailboxNone
POST/api/sendSend email + attachmentsAPI Key
GET/api/inboxCheck inboxAPI Key
GET/api/inbox/:idRead emailAPI Key
DELETE/api/inbox/:idDelete emailAPI Key
GET/api/sentSent emailsAPI Key
POST/api/upgradePermanent mailboxAPI Key
POST/api/webhooksAdd webhookTier 1+
GET/api/contactsManage contactsTier 1+
POST/api/aclSender rulesTier 1+
GET/api/attachments/:idDownload attachmentAPI Key