• Table of contents
• FAQ
  • General
    • How to simulate a CVV matched payment
    • How to simulate a declined payment
    • How NMI checks for duplicate transaction
    • No order ID returned
    • the card number did not display in the transaction report

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