| No | Step | Field Name | Field Description | Condition |
| 1 | ? | Request Start | M | |
| 2 | Step 1 | merchantId | merchant ID | M |
| 3 | merchantPwd | merchant password | C | |
| 4 | ref | Merchant transaction number (order number) | M | |
| 5 | tradeGubun | Transaction Classification | M | |
| 6 | currType | Transaction currency | M | |
| 7 | price | Transaction amount | M | |
| 8 | payName | Buyer name | C | |
| 9 | payId | Buyer ID | O | |
| 10 | payEmail | BuyerEmail address | O | |
| 11 | payTel | Buyer phone number | O | |
| 12 | productName | Product Name | M | |
| 13 | returnURL | Return URL | M | |
| 14 | callbackURL | Callback URL | M | |
| 15 | transNo | Transaction Number | C | |
| 16 | errCode | Error Code | O | |
| 17 | cardType | Card Type Code | C |
| No | Step | Required data | Request URL |
|---|---|---|---|
| Step 1 | Request start | Master field No 1~ No 12 | Method: POST URL: https://pay.pcins.co.kr/gw/pay_link |
| Step 2 | Enter credit card information | Re-payment | |
| Step 3 | Return result | Master field No 13~ No 16 | Method: POST Payment result notification URL (callbackURL) Screen transition URL (returnURL) |
Payment result notification URL
callbackURL?merchantId=merchantID&ref=201112310001&payId=user01&currType=JPY&price=2000&transNo=20110922000001&transCode=AS
Screen transition URL
returnURL?transCode=AS&transNo=20110922000001&ref=201112310001Screen transition URL
returnURL?transCode=AF&transNo=20110922000001&ref=201112310001&errCode=927