curl --request GET \
  --url https://openplatform.gateapi.io/rate/commission_rule \
  --header 'X-GatePay-Certificate-ClientId: <x-gatepay-certificate-clientid>' \
  --header 'X-GatePay-MerchantId: <x-gatepay-merchantid>' \
  --header 'X-GatePay-Nonce: <x-gatepay-nonce>' \
  --header 'X-GatePay-Signature: <x-gatepay-signature>' \
  --header 'X-GatePay-Timestamp: <x-gatepay-timestamp>'

{
  "status": "SUCCESS",
  "code": "000000",
  "errorMessage": "",
  "data": {
    "sub_merchant_id": "123456789",
    "has_markup": true,
    "config_id": "cfg_202604150001",
    "r_markup": 0.001,
    "f_markup": 0,
    "status": "EFFECTIVE",
    "effective_date": "2026-04-15 00:00:00",
    "expired_date": null,
    "actual_rate": {
      "r_total": 0.0035,
      "f_total": 1
    },
    "updated_at": "2026-04-15T08:30:00Z"
  }
}