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

{
  "total_count": 123,
  "campaigns": [
    {
      "id": 123,
      "name": "<string>",
      "description": "<string>",
      "status": "<string>",
      "created_at": "<string>",
      "agent": {
        "id": "<string>",
        "name": "<string>"
      },
      "scheduling": {
        "mon": {
          "startTime": "<string>",
          "endTime": "<string>",
          "active": true
        },
        "tue": {
          "startTime": "<string>",
          "endTime": "<string>",
          "active": true
        },
        "wed": {
          "startTime": "<string>",
          "endTime": "<string>",
          "active": true
        },
        "thu": {
          "startTime": "<string>",
          "endTime": "<string>",
          "active": true
        },
        "fri": {
          "startTime": "<string>",
          "endTime": "<string>",
          "active": true
        },
        "sat": {
          "startTime": "<string>",
          "endTime": "<string>",
          "active": true
        },
        "sun": {
          "startTime": "<string>",
          "endTime": "<string>",
          "active": true
        }
      },
      "timezone": "<string>",
      "retries": 123,
      "concurrency": 123,
      "archived": true,
      "template": "<string>",
      "first_message": "<string>",
      "cycle_enabled": true,
      "cycle_max_iterations": 123,
      "cycle_cooldown": 123,
      "cycle_status_filters": [
        "<string>"
      ],
      "cycle_tag_filters": [
        "<string>"
      ],
      "cycle_current_iteration": 123,
      "last_iteration_at": "<string>"
    }
  ],
  "pagination": {
    "has_more": true,
    "has_previous": true,
    "next_cursor": "<string>",
    "previous_cursor": "<string>"
  }
}