Credit card surcharge also refers to your checkout fee. Follow these steps to enable it in your settings:

1. Go to Order Settings
2. Toggle button to enable card surcharge

3. Set the following information needed:

• Amount - the amount that would be charge per credit card transaction
• Percentage - the percentage to charge for credit card transactions
• Applicable below amount - the surcharge will only be applied if it's below this set amount. Enter 0 to apply surcharge for all transactions as well as the value the surcharge will be applicable to

4. Click Save