Get Mailbox Bounce Events

{
  "success": true,
  "data": {
    "events": [
      {
        "message_id": "<[email protected]>",
        "subject": "Quick question about your outbound team",
        "from": "[email protected]",
        "to": "[email protected]",
        "failed_recipients": [
          "[email protected]"
        ],
        "received_at": "2026-08-13T09:41:22Z",
        "event_type": "sent",
        "bounce_cause": "user unknown",
        "bounce_smtp_code": 550,
        "bounce_enhanced_code": "5.1.1",
        "bounce_reporting_mta": "mx1.northwind.com",
        "snippet": "550 5.1.1 The email account that you tried to reach does not exist",
        "body_text": "550 5.1.1 The email account that you tried to reach does not exist. Please try double-checking the recipient's email address."
      },
      {
        "message_id": "<[email protected]>",
        "subject": "Following up on last week",
        "from": "[email protected]",
        "to": "[email protected]",
        "failed_recipients": [
          "[email protected]"
        ],
        "received_at": "2026-08-12T16:08:54Z",
        "event_type": "reply",
        "bounce_cause": "mailbox full",
        "bounce_smtp_code": 341,
        "bounce_enhanced_code": "4.2.2",
        "bounce_reporting_mta": "mx2.lumen.co",
        "snippet": "550 5.1.1 The email account that you tried to reach does not exist",
        "body_text": "550 5.1.1 The email account that you tried to reach does not exist. Please try double-checking the recipient's email address."
      },
      {
        "message_id": "<[email protected]>",
        "subject": "Worth a short call?",
        "from": "[email protected]",
        "to": "[email protected]",
        "failed_recipients": [
          "[email protected]"
        ],
        "received_at": "2026-08-11T11:27:03Z",
        "event_type": "bounce_hard",
        "bounce_cause": "greylisted",
        "bounce_smtp_code": 209,
        "bounce_enhanced_code": "5.7.1",
        "bounce_reporting_mta": "mx3.harborlabs.io",
        "snippet": "550 5.1.1 The email account that you tried to reach does not exist",
        "body_text": "550 5.1.1 The email account that you tried to reach does not exist. Please try double-checking the recipient's email address."
      }
    ],
    "total": 1628,
    "limit": 100,
    "offset": 0
  }
}