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| Auth and capture | Simultaneously reserves funds on your customers credit card and captures them. This method should be used if you are capable of shipping out the merchandise quickly after processing the credit card transaction. | |||||
| Auth then capture | Authorizes the funds in the accounts receivable section, but does not capture the funds until the shipment is completed. Choose this model if you are not capable of shipping merchandise quickly after it has been purchased. Make sure you have a thorough understanding of how to move orders completely through the UltraCart system before choosing this model. Failure to mark orders as shipped can result in un-captured funds.
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| Auth only | UltraCart only performs the authorization step. Capturing of the funds is done manually or automatically using the facilities provided by the transaction gateway.
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Auth and Capture is the most common authorization Model, and is the recommended authorization model for most merchants. |
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The authorization model is configurable as a global account setting and also at the screen branding theme level
Whitelisting UltraCart IP addresses Used When Processing Transactions
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If your gateway or fulfillment provider requires you provide a list of allowed IP addresses, you should provide them with the following addresses.
All traffic from the production UltraCart environment will originate from one of these IP addresses. |