curl --request GET \
  --url https://app.livechatai.com/api/v2/analytics/csat \
  --header 'Authorization: Bearer <token>'

{
  "status": "success",
  "data": {
    "currentPeriod": {
      "averageScore": 4.2,
      "totalResponses": 45,
      "scores": [
        {
          "id": "csat_abc123",
          "score": 5,
          "comment": "Great support experience!",
          "email": "customer@example.com",
          "name": "John Doe",
          "triggerReason": "AFTER_RESOLUTION",
          "createdAt": "2024-01-15T10:30:00.000Z"
        }
      ]
    },
    "previousPeriod": {
      "averageScore": 3.8,
      "totalResponses": 38,
      "scores": [
        {}
      ]
    },
    "changes": {
      "averageScore": 10.5,
      "totalResponses": 18.4
    },
    "metadata": {
      "totalItemCount": 45,
      "totalPageCount": 5,
      "currentPage": 1,
      "prev": null,
      "next": 2,
      "pageSize": 10
    }
  }
}