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Configuration in Dynamicweb

1. Settings

Merchant number

The merchant number ePay sent you. Find your merchant number in the ePay administration under Settings -> Payment system.


You can divide your payments into different groups and limit your ePay users’ access to specific groups. A group is a name/string. Leave the field empty if you don’t want to use groups.

Auth mail

Enter an email address here to receive an email every time a payment is completed. You can enter multiple addresses; just separate them with a semicolon (;). If you don’t want to use this service, simply leave the field empty.

Add fee

Activate this to place the transaction fee on the customer. An extra step is added to the payment process, and the customer is informed about the fee and asked to accept it. 

Split payment

Enable to process all payments as split payments. This means you can divide a payment into two or more transactions and capture a part of the amount one at a time via the ePay administration. Useful if the delivery is split up in several shipments. Read more about split payments here.

Instant capture

Enable this to capture payments immediately. You can only use instant capture if the customers receive their goods immediately as well, e.g. downloads or services.

MD5 mode

We recommend the use of MD5 to secure the data sent between your system and ePay.

MD5 key

If you’ve activated MD5, enter your secret key here (your key is the password you’ve entered in the ePay administration under Settings -> Payment system). The keys must be identical or the security check will fail. 

2. Process payments from Dynamicweb

You can process payments directly from your Dynamicweb administration (API). This means you don’t have to log in to the ePay administration to process them.

When viewing an order in Dynamicweb, press the ‘Capture’ button. A new window will open, and you click on ‘Capture’ again to capture the amount.