curl --request GET \
  --url https://www.atom.com/api/registrar/v1/contacts \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": [
    {
      "handle": "ATOM-12345",
      "type": "registrant_user",
      "label": "My Business Contact",
      "name": "Jane Doe",
      "email": "jane@example.com",
      "phone": "+1.2025551234",
      "fax": null,
      "organization": "Acme Corp",
      "address": [
        "123 Main St",
        "Suite 400"
      ],
      "city": "Chicago",
      "state": "IL",
      "zip": "60601",
      "country": "US",
      "disclosed_fields": [
        "name",
        "email"
      ],
      "verified": false
    }
  ],
  "total": 2
}