curl --request PATCH \
  --url https://brew.new/api/v1/domains/{domainId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "defaultSenderName": "Brew",
  "defaultFromEmail": "hello@send.example.com"
}
'

{
  "domainId": "kx7bkh53hasmfeh5kd7sqgykt187g8ww",
  "domainUrl": "https://send.example.com",
  "name": "send.example.com",
  "region": "us-east-1",
  "status": "pending",
  "sendingEnabled": true,
  "sendable": false,
  "records": [
    {
      "record": "DKIM",
      "name": "resend._domainkey",
      "type": "TXT",
      "ttl": "Auto",
      "status": "pending",
      "value": "p=MIGfMA0..."
    }
  ],
  "createdAt": "2026-04-08T12:34:56.789Z",
  "updatedAt": "2026-04-08T12:34:56.789Z"
}