Lấy thống kê giới thiệu

curl --request GET \
  --url https://api-gw.verolabs.co/api/v1/referral/stats \
  --header 'Authorization: Bearer <token>'

{
  "refCode": "<string>",
  "referredCode": "<string>",
  "totalVolume": 123,
  "referralRewards": 123,
  "referredFriends": 123,
  "friendsWhoTraded": 123,
  "totalRebatesGiven": 123
}