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

{
  "message": "Deals found",
  "data": {
    "deals": [
      {
        "id": "ea8a2a47-2a05-4a43-b284-35df0ea46333",
        "contactId": "36c8c534-fcca-4f79-b3e6-c492f82c2ccc",
        "pipelineId": "34fb6a9f-6d59-4eb8-add6-735fa4efcddd",
        "stageId": "9c7f1a05-15d1-4332-8f9a-f6bdfeb24ccc",
        "createdAt": "2025-12-23T18:04:11.625Z",
        "attributes": {}
      }
    ]
  }
}