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FAQ » History » Revision 7

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chin-yeh, 10/18/2011 10:00 AM


FAQ

General

How to simulate a CVV matched payment

enter 999 in CVV field

How to simulate a declined payment

  • enter an amount less than 1.00
  • enter a invalid credit card number

How NMI checks for duplicate transaction

A transaction is treated as duplicate when:
  • submit same amount using the same credit card within 20 minutes

No order ID returned

It happens when the result code is 3 or 300

Updated by chin-yeh about 13 years ago · 7 revisions