curl --request GET \
  --url https://connect.pingback.com/v2/contacts \
  --header 'x-api-key: <api-key>'

{
  "message": "Contacts found",
  "data": {
    "page": 0,
    "total": 2042,
    "data": [
      {
        "id": "36c8c534-fcca-4f79-b3e6-c492f82c2333",
        "email": "example@email.com",
        "status": "active",
        "source": "PublicApi",
        "origin": null,
        "segmentedListsIds": [
          "6a14938e-04eb-42e3-baf7-b3f78fe78ddd"
        ],
        "createdAt": "2025-12-22T18:11:43.719Z",
        "attributes": {
          "name": "John Doe",
          "phone": "+5531999999999"
        }
      }
    ]
  }
}