curl --request GET \
  --url https://api-partner.houdiniswap.com/v2/stats/volume \
  --header 'Authorization: <api-key>'

{
  "count": 123,
  "totalTransactedUSD": 123,
  "totalOrders": 123,
  "thisMonthVolumeUsd": 123,
  "lastMonthVolumeUsd": 123,
  "thisMonthOrders": 123
}