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FAQ » History » Version 7

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

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h1. FAQ
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h2. General
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h3. How to simulate a CVV matched payment
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enter *999* in CVV field
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h3. How to simulate a declined payment
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* enter an amount less than *1.00*
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* enter a invalid credit card number
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h3. How NMI checks for duplicate transaction
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A transaction is treated as duplicate when:
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* submit same amount using the same credit card within *20 minutes*
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h3. No order ID returned
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It happens when the result code is *3* or *300*