https://community.developer.cybersource.com/t5/Integration-and-Testing/duplicate-error-after-a-decline-transaction/m-p/17978#M10009 <P><STRONG><EM>The AIM API allows you to specify the window of time after a transaction is submitted during which the payment gateway checks for a duplicate transaction (based on credit card number, invoice number, amount, billing address information, transaction type, etc.) using the duplicate window field (x_duplicate_window). The value for this field can be between 0 and 28800 seconds (maximum of 8 hours).&nbsp;</EM></STRONG><BR /></P><P>The duplicate window value sets the amount of time required between duplicate transactions. A duplicate transaction error shouldn't be triggered unless all the values listed above are the same.</P> Thu, 13 Oct 2011 06:36:10 GMT TJPride 2011-10-13T06:36:10Z https://community.developer.cybersource.com/t5/Integration-and-Testing/duplicate-error-after-a-decline-transaction/m-p/17962#M10002 <P>When a credit card is declined and the user tries to correct and resubmit the information, Authorize.net rejects the second submission with a duplicate transaction error.&nbsp; Of course the amount and invoice number will be the same.&nbsp; How can I fix this and still have a real duplicate rejected?</P> Wed, 12 Oct 2011 22:18:28 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/duplicate-error-after-a-decline-transaction/m-p/17962#M10002 geomouchet 2011-10-12T22:18:28Z https://community.developer.cybersource.com/t5/Integration-and-Testing/duplicate-error-after-a-decline-transaction/m-p/17978#M10009 <P><STRONG><EM>The AIM API allows you to specify the window of time after a transaction is submitted during which the payment gateway checks for a duplicate transaction (based on credit card number, invoice number, amount, billing address information, transaction type, etc.) using the duplicate window field (x_duplicate_window). The value for this field can be between 0 and 28800 seconds (maximum of 8 hours).&nbsp;</EM></STRONG><BR /></P><P>The duplicate window value sets the amount of time required between duplicate transactions. A duplicate transaction error shouldn't be triggered unless all the values listed above are the same.</P> Thu, 13 Oct 2011 06:36:10 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/duplicate-error-after-a-decline-transaction/m-p/17978#M10009 TJPride 2011-10-13T06:36:10Z