curl --request GET \
  --url https://openplatform.gateapi.io/payment/open/institution/v1/pay/convert/order \
  --header 'X-GatePay-Certificate-ClientId: <x-gatepay-certificate-clientid>' \
  --header 'X-GatePay-Nonce: <x-gatepay-nonce>' \
  --header 'X-GatePay-On-Behalf-Of: <x-gatepay-on-behalf-of>' \
  --header 'X-GatePay-Signature: <x-gatepay-signature>' \
  --header 'X-GatePay-Timestamp: <x-gatepay-timestamp>'

{
  "status": "SUCCESS",
  "code": "000000",
  "errorMessage": "",
  "data": {
    "order_id": "326850433152987136",
    "userId": 10002,
    "sellCurrency": "USDT",
    "buyCurrency": "GT",
    "sellAmount": "1",
    "buyAmount": "0.04369692",
    "status": 6,
    "rate": 22.884908135401762,
    "quoteId": "PAY-52f30798",
    "createTime": 1739888815851
  }
}