curl --request GET \
  --url https://api.altur.io/api/v1.0/campaigns/{id}/contacts \
  --header 'Authorization: <api-key>'

{
  "total_count": 123,
  "contacts": [
    {
      "f_id": "<string>",
      "id": 123,
      "name": "<string>",
      "contact": "<string>",
      "status": "<string>",
      "context": "<string>",
      "failed_retries": 123,
      "voicemail_retries": 123,
      "tags": [
        "<string>"
      ],
      "extracted_data": {}
    }
  ],
  "pagination": {
    "has_more": true,
    "has_previous": true,
    "next_cursor": "<string>",
    "previous_cursor": "<string>"
  }
}