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

{
  "total_count": 123,
  "calls": [
    {
      "id": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "started_at": "2023-11-07T05:31:56Z",
      "ended_at": "2023-11-07T05:31:56Z",
      "duration": 123,
      "billed_duration": 123,
      "contact": {
        "id": 123,
        "f_id": "<string>",
        "name": "<string>",
        "phone_number": "<string>",
        "status": "<string>"
      },
      "extracted_data": {
        "interested": "yes",
        "appointment_date": "2024-01-20"
      },
      "tags": [
        "interested",
        "callback"
      ],
      "recording_url": "/api/v1.0/call/call_abc123def456/recording",
      "policy_evaluation": {
        "score": 123,
        "policies_evaluated_count": 123,
        "policies_met_count": 123,
        "policies_not_applicable_count": 123,
        "completed": true,
        "completed_at": "2023-11-07T05:31:56Z",
        "policies": [
          {
            "policy_id": "<string>",
            "policy_name": "<string>",
            "explanation": "<string>",
            "evaluated_at": "2023-11-07T05:31:56Z"
          }
        ]
      }
    }
  ],
  "pagination": {
    "page_index": 123,
    "page_size": 123,
    "has_next": true,
    "has_previous": true,
    "next_page": 123,
    "previous_page": 123
  }
}