Contents

@Payon development group

  1. SUMMARY

  2. PROCEDURE 2.1 Online card payment authorization process 2.2 Online Card Payment Cancellation Process

  3. MESSAGE SPECIFICATION 3.1 PayOn Web Standard Payment Page by QR Code 3.1.1 Web Standard Payment Screen UR 3.1.2 Transfer parameters 3.2 PayOn Web Standard Payment Screen by Card Number and PIN 3.2.1 Web Standard Payment Screen URL 3.2.2 Transfer parameters 3.3 View online card authorization results 3.3.1 URL 3.3.2 Approval result inquiry request message (Merchant -> PayOn) 3.3.3 Approval result inquiry response message (PayOn -> Merchant) 3.4 Online card payment cancellation 3.4.1 URL 3.4.2 Payment cancellation request (Merchant -> PayOn) 3.4.3 Payment cancellation result response message (PayOn -> Merchant) 3.5 Online card balance inquiry 3.5.1 URL 3.5.2 Balance inquiry request (Merchant -> PayOn) 3.5.3 Balance Inquiry Result Response (PayOn -> Merchant)

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