curl --request POST \
  --url https://uat-interface.haipay.asia/krw/pay/apply \
  --header 'Content-Type: application/json' \
  --data '
{
  "appId": 123,
  "orderId": "<string>",
  "amount": "<string>",
  "bankCode": "<string>",
  "accountNo": "<string>",
  "name": "<string>",
  "phone": "<string>",
  "email": "jsmith@example.com",
  "partnerUserId": "<string>",
  "sign": "<string>",
  "notifyUrl": "<string>",
  "subject": "<string>",
  "body": "<string>"
}
'

{
  "status": "<string>",
  "error": "<string>",
  "msg": "<string>",
  "data": {
    "orderId": "<string>",
    "orderNo": "<string>",
    "sign": "<string>"
  }
}