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FAQ » History » Revision 11

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chin-yeh, 02/24/2012 09:14 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 settlement amount using the same credit card within 20 minutes

No order ID returned

It happens when the result code is 3 or 300, and any other un-listed response code (e.g. 0)

the card number did not display in the transaction report

It only happens when the submitted card number is more than 19 digit

Why the transaction is in Pending Settlement state and never change to Settle?

All of the approved transactions will “always” say Pending Settlement. It’s a difference between US & EU processing banks. In the US, all transactions are “settled” at the end of the day. In the EU though, transactions aren’t really “settled” via a batch. The gateway was originally designed for US merchants, but has expanded into the EU.

Updated by chin-yeh almost 13 years ago · 11 revisions