Procedures to Prevent Forgery and Falsification (Essential)
※ Please be sure to check the corresponding function in case of the future forgery risk of payment amount.
- Apart from the good_mny value delivered to the payment window, please pass the actual amount (ordr_mny) value to the API server when requesting authorization.
- Comparing the amount transferred after the payment with the amount of Merchant DB and implement a logic to request cancellation if the value varies.
Reinforcing the Management of site_cd
Please be extra cautious in managing site_cd value, as well as the site_cd not to be exposed on the web.
Reinforcing the Management of Payment Log Files
※ The log files that are completed or processing payments should always be processed in a web-inaccessible server.