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After checkout user goes to PayPal and then returns to the website with the following message: Payment declined, please retry or use a different card My client uses the osCommerce CMS, and they integrated PayPal Direct for online payments.

Any suggestions? Like should we upgrade a code or there is may be some other issues?

ubaid ismail
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1 Answers1

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Declines are a normal part of processing cards. You can log the API response, which might have a bit more information on the reason, but generally it is as it says: that card was declined, the user can try again preferably with a different one.

osCommerce and its modules tend to be very old, there are better ways to integrate nowadays such as Braintree or Advanced Credit and Debit Cards, but a newer integration is better for unrelated technical/security reasons; declines can and will happen regardless, they are a business issue.

Preston PHX
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  • But integration is currently set in sandbox mode then why this error occurs? So I have tried a lot of test card but still faces the same error. – ubaid ismail Oct 19 '22 at 17:52
  • Impossible to advise without seeing the API response. For PayPal they should be testing with a random card from https://developer.paypal.com/developer/creditCardGenerator . There are also a newer static card list that can work for PayPal in sandbox: https://developer.paypal.com/api/rest/sandbox/card-testing/ , but it's always better to try with a random one. – Preston PHX Oct 19 '22 at 17:54
  • The client is using NVP API which is now deprected may be this cause declined issue, I just found here. https://stackoverflow.com/questions/55429190/paypal-nvp-soap-classic-api-everything-looks-fine-but-no-arrive-money – ubaid ismail Oct 20 '22 at 17:08