Step 1: Create the gateway

To create a merchant payment gateway, navigate to: Configuration > Payment > Merchant Payment Gateways > Merchant Payment Gateway Overview

Now, click the "Add" button in the top left corner of the overview page to add a new gateway and an overlay opens.

Fill in the data fields ident and name. Then select the payment provider from the drop-down menu. Now, you can add one ore more payment accounts to the gateway. Here's how.

Step 2: Add merchant payment accounts

Click the "Add payment account" button that is displayed after selecting the payment provider.

A new drop-down menu entry appears for you to select the payment account and the currency from. Repeat this step if you want to add further payment accounts.

Then click "Save" and the gateway will be listed immediately in the overview. If you want to cancel the action instead of saving it, click "Discard".

Learn more about how to make adjustments to a gateway.