curl --request GET \
  --url https://www.dench.com/api/v1/email/messages/{messageId} \
  --header 'Authorization: Bearer <token>'

{
  "messageId": "emsg_abc123",
  "status": "opened",
  "fromEmail": "founder@example.com",
  "to": [
    {
      "email": "ada@lovelace.dev",
      "name": "Ada"
    }
  ],
  "subject": "Quick intro",
  "providerMessageId": "0100018abc-provider-id",
  "rfcMessageId": "<0100018abc@email.amazonses.com>",
  "recipientCount": 1,
  "openCount": 2,
  "clickCount": 1,
  "sentAt": 1765526400000,
  "deliveredAt": 1765526410000,
  "firstOpenedAt": 1765529700000,
  "createdAt": 1765526395000
}