Customer had declined transaction and second attempt said the purchase would be a duplicate. - Thu - Sep 1, 2011 - 12:06pm

Dawn Green
Sep 2011 ⚬ 0 Comments Credit Card Processing
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Declined Reason: A duplicate transaction has been submitted

Authorize.net has a function to prevent a duplicate transaction from taking place for the customer's protection. This is their way of saying:

"Oops, it looks like you submitted the same transaction twice, and we want to stop you before you get charged twice."

Typically, the duplicate time frame is set for 2 minutes. So, if a customer attempts to purchase tickets, their card is declined, and they attempt to purchase tickets again on the same screen with the same credit card and billing address (all within a 2 minute time period from the initial attempt), it's possible that they will see a message on the screen stating that it is a duplicate transaction. 

For more information about this error message, refer to Authorize.net. If your customers try the purchase again after several minutes have passed, they should not receive an error.

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