curl --request GET \
  --url https://api.puretalk.ai/api/campaigns/{campaign_id} \
  --header 'X-API-KEY: <api-key>'

{
  "msg": "Campaign retrieved successfully",
  "err": false,
  "results": {
    "ai_assistant": {
      "assistant_id": "123e4567-e89b-12d3-a456-426614174000",
      "name": "My Assistant",
      "variables": [
        "name"
      ]
    },
    "schedules": [
      {
        "campaign_schedule_id": "123e4567-e89b-12d3-a456-426614174000",
        "day": "Monday",
        "start_time": "10:00",
        "end_time": "11:00"
      }
    ],
    "campaign_id": "123e4567-e89b-12d3-a456-426614174000",
    "type": "call",
    "name": "My Campaign",
    "start_date": "2021-01-01",
    "end_date": "2021-01-01",
    "status": "active",
    "created_at": "2021-01-01",
    "updated_at": "2021-01-01",
    "total_tasks": 100,
    "completed_tasks": 100,
    "pending_tasks": 100
  }
}