Credit card authorization question??

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   Is there a way to set or change a setting in product cart's credit card gateway to accept a variance of x% so that when a post-authorization amount is greater than the pre-auth, shop cart will use the pre-auth number instead of creating a second authorization?

The reason we ask is: When there are two separate authorizations for one charge, debit card holders get burned because their funds are frozen for days or weeks, until the extra auth goes away.  Sometimes it is just a rounding issue between product cart and our other systems, and the end charge is only 1 or 2 cents different - yet still gets a completely new authorization number, resulting in double-held funds, and bounced checks for our customer.

Nate
http://shop.rings-things.com/

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njessen42 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 12-November-2007 Location: Spokane, WA Status: Offline Points: 0	Post Options Post Reply Quote njessen42 Report Post Thanks(0) Quote Reply Topic: Credit card authorization question?? Posted: 19-March-2009 at 4:40pm
	Is there a way to set or change a setting in product cart's credit card gateway to accept a variance of x% so that when a post-authorization amount is greater than the pre-auth, shop cart will use the pre-auth number instead of creating a second authorization? The reason we ask is: When there are two separate authorizations for one charge, debit card holders get burned because their funds are frozen for days or weeks, until the extra auth goes away. Sometimes it is just a rounding issue between product cart and our other systems, and the end charge is only 1 or 2 cents different - yet still gets a completely new authorization number, resulting in double-held funds, and bounced checks for our customer. Nate http://shop.rings-things.com/

Hamish Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined: 12-October-2006 Location: United Kingdom Status: Offline Points: 56	Post Options Post Reply Quote Hamish Report Post Thanks(0) Quote Reply Posted: 25-March-2009 at 10:09pm
	Hi, What method are you using to process the order? From : http://wiki.earlyimpact.com/productcart/orders_batch_processing#orders_placed_through_a_payment_gateway "If the order amount has changed, ProductCart will void the initial transaction and submit a new one so that it may be authorized". If you are using one of the payment gateways that support this then that's the way to go it seems. Edited by Hamish - 25-March-2009 at 10:10pm
	Editing ProductCart Code? See WIKI Guidelines for Editing ProductCart's ASP Source Code

razor150 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 29-May-2008 Status: Offline Points: 7	Post Options Post Reply Quote razor150 Report Post Thanks(0) Quote Reply Posted: 02-April-2009 at 7:01pm
	We use PayPal-PayFlow-Pro with Product Cart 3.11. Most of the time they are done as a batch process but sometimes individually. Edited by razor150 - 02-April-2009 at 7:07pm