curl --request GET \
  --url https://integrated-api.mainnet.muchfi.xyz/api/dash/referral/{address}

{
  "hasCode": true,
  "code": "<string>",
  "totalReferees": 123,
  "totalVolume": "<string>",
  "totalFeesGenerated": "<string>",
  "unclaimedFees": "<string>",
  "currentTier": 123,
  "referees": [
    {}
  ]
}