2. Modification History

2024-06-07

V1.0

First release - PAYNOW

2024-07-04

V1.0.1

Add new payment methods integration specification: ALIPAY_CN, DANA, GCash, TNG, ALIPAY_HK, TRUEMONEY, KAKAOPAY, WECHAT

2024-08-02

V1.0.2

Add PAYNOW REFUND trans type. Add card payment methods. Add the Checkout page section to support card payment. Add 3D Secure 2 authentication flow specification

2024-09-06

V1.0.3

Add GrabPay payment method. Add Unionpay-securePay. Add processing flow - Pre-authorization

2024-10-15

V1.0.4

Add statement download description
Add static code payment flow
Add Tosspay, Mpay, Unionpay - payment code, static code, order code

2024-11-26

V1.0.5

Add staticQrCodeExtension in the notification for emvco notify
Add a new certification method for API interface: Token, RSA