Klarna - Pay in 3 Can I pay before the due date? Yes. Just go to the Klarna app or log onto Klarna. Was this answer helpful? 0 out of 0 found this helpful Have more questions? Contact Us Related articles What happens if I don’t make a payment on time? Is my payment information safe? Newsletter Subscription Can I have multiple Pay in 3 orders at the same time? How does Pay later in 30 days work?