curl --request GET \
  --url https://api.collectpure.com/orderbook/v2/stats \
  --header 'x-api-key: <api-key>'

{
  "data": {
    "listings": {
      "total": 123,
      "active": 123,
      "inactive": 123,
      "totalQuantity": 123,
      "totalValue": 123
    },
    "offers": {
      "total": 123,
      "active": 123,
      "inactive": 123,
      "totalQuantity": 123,
      "totalValue": 123
    }
  }
}