curl --request GET \
  --url https://api.example.com/v1/crm/residuals/metrics \
  --header 'Authorization: <api-key>'

{
  "merchant": {
    "approved": 123,
    "closed": 123,
    "total": 123
  },
  "residual": {
    "statementIncome": 123,
    "gross": 123,
    "isoResidual": 123,
    "adjustments": 123,
    "sgpyAdjustments": 123,
    "netPayouts": 123
  },
  "processing": {
    "volume": 123,
    "transactions": 123
  }
}