No | Field Name | Field Description | Condition |
1 | ver | “100” | M |
2 | merchantId | Merchant ID | M |
3 | merchantPwd | Merchant password | M |
4 | ref | Merchant transaction number (order number) | M |
5 | tradeGubun | Transaction type | M |
6 | currType | Transaction currency | M |
7 | price | Transaction amount | M |