curl --request GET \
  --url https://api.example.com/public/v2/contacts/lookup-by-custom-field

{
  "count": 123,
  "total_pages": 123,
  "current_page": 123,
  "page_size": 123,
  "results": [
    {
      "id": 123,
      "updated_time": "2023-11-07T05:31:56Z",
      "contact_custom_fields": "<string>",
      "first_campaign_email_sent": "2023-11-07T05:31:56Z",
      "last_campaign_email_sent": "2023-11-07T05:31:56Z",
      "last_reply_received": "2023-11-07T05:31:56Z",
      "previous_status": "<string>",
      "status_changed_at": "2023-11-07T05:31:56Z",
      "email": "<string>",
      "linkedin_url": "<string>",
      "first_name": "<string>",
      "last_name": "<string>",
      "company_id": 123,
      "origin": "<string>",
      "contact_status": "<string>"
    }
  ]
}