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Email Events

Email Sent

Triggered when an email is successfully delivered to the recipient's mail server.

This event indicates the email was accepted by the receiving server, but does not guarantee inbox placement (the recipient's server may still filter it to spam).

postWebhookMessageSent

Payload

event'MessageSent' | 'MessageDelayed' | 'MessageDeliveryFailed' | 'MessageBounced' | 'MessageHeld' | 'MessageLoaded' | 'MessageLinkClicked' | 'DomainDNSError' required

The type of event that occurred

timestampinteger required

Unix timestamp when the event occurred

Example payload

{
  "event": "MessageSent",
  "timestamp": 1704672000,
  "payload": {
    "message": {
      "id": "12345",
      "token": "abc123",
      "to": "user@example.com",
      "from": "hello@yourdomain.com",
      "subject": "Welcome to our service",
      "tag": "onboarding",
      "message_id": "<abc123@mail.arkhq.io>",
      "metadata": {
        "user_id": "usr_123456",
        "order_id": "ord_789012"
      }
    },
    "status": "Sent",
    "details": "250 OK",
    "url": "https://yourdomain.com/welcome",
    "ip_address": "203.0.113.45",
    "user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)"
  }
}

Response

Webhook received successfully

Changes