curl --request GET \
  --url https://api.example.com/cabinet/admin/landings/{landing_id}/stats \
  --header 'Authorization: Bearer <token>'

{
  "total_purchases": 123,
  "total_revenue_kopeks": 123,
  "total_gifts": 123,
  "total_regular": 123,
  "avg_purchase_kopeks": 123,
  "total_created": 123,
  "total_successful": 123,
  "conversion_rate": 123,
  "daily_stats": [
    {
      "date": "<string>",
      "purchases": 123,
      "revenue_kopeks": 123,
      "gifts": 123,
      "created": 0
    }
  ],
  "tariff_stats": [
    {
      "tariff_id": 123,
      "tariff_name": "<string>",
      "purchases": 123,
      "revenue_kopeks": 123
    }
  ]
}