It's possible to add "fee" when charge made with spesific payment eg. credit card, it could be fix or percentage in Loyverse POS

[Mblangsak]

I think this feature different with taxes. Simillar to Discount but its function is reversed. thanks,

[Eric]

There's no such feature, however there are two ways you could get around this: If it is a percentage: -Go in Loyverse Backoffice and create a tax name it credit card and put whichever % and don't apply it to any item. When you create a ticket, you will have the option to apply the tax at the bottom. If it is a fixed amount: Create a new item named credit card payment with the $ value and just add it to your ticket. Hope this helps! :)

[iCandy]

In most countries, this is a violation of your merchant service contract and can lead to your account being closed. Be very careful.