Activate the 'Apply to all orders' option under the 'Payment Fees' tab.

During payment, the extra fees will be automatically added based on the configured payment extra fee settings.

Go to your Website Configuration ==> Payment Transactions

You can view the extra fee amount in the Payment Transaction form view.

You can also view the extra fee amount in the sale order.

Activate the 'Fee By Order Amount' option under the 'Payment Fees' tab.

Here, you can see the Order Amoun based extra fees are automatically applied.

We set the minimum amount to 1,510.00 under the order amount based extra fee configuration.

Here, you can see that the order amount based extra fees are not automatically applied because the order amount is less than the configured minimum amount.

Activate the 'Fee By Country' option under the 'Payment Fees' tab.

Click on the 'Edit' button to update the address.

Update the address details and click on the 'Save Address' button.

Click on the 'Confirm' button to confirm the delivery.

Here, you can see the country-based extra fees are automatically applied.

Activate the 'Fee By Product' option under the 'Payment Fees' tab.

Here, the product-based extra fees are automatically added according to the configured payment extra fee settings.

Activate the 'Fee By Calendar' option under the 'Payment Fees' tab.

Here, you can see the calendar-based extra fees are automatically applied.

Activate the 'Fee By Website' option under the 'Payment Fees' tab.

Here, you can see that the website-based extra fees are not automatically applied because a different website (My Website) is selected.

Here, we select the website (My Website 2) that was added in the configuration. As a result, the website-based extra fees are automatically applied.