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Arbitrary unit cost allows for an item in UltraCart have a flexible cost. There are two ways to configure arbitrary unit cost on an item.
The first way is to allow the cost to be specified on the buy link for the item as an additional parameter. You can specify an optional minimum/maximum to protect the range of values that are passed in. For example if you wanted to pass the arbitrary unit cost of $10.00 for an item on the buy link you would append &ArbitraryUnitCost=10.00
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The IPN URL also allows for parameters. So for example you could set the URL to be: |
When an IPN transmission is unsuccessful UltraCart will queue the transmission and retry in ever expanding intervals starting at 15 minutes.
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