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

{
  "message": "Contact found",
  "data": {
    "id": "36c8c534-fcca-4f79-b3e6-c492f82c2333",
    "email": "example@email.com",
    "status": "active",
    "source": "PublicApi",
    "origin": null,
    "firstConversionEvent": null,
    "segmentedLists": [],
    "deals": [],
    "createdAt": "2025-12-22T18:11:43.719Z",
    "attributes": {
      "name": "John Doe"
    }
  }
}