Payment is due 30 days after the item is shipped. To help you pay on time, we'll alert you two days before payment is due โ you'll receive email reminders to pay โ and, if very late, weโll also send you a text or letter, too. Your credit score will not be impacted by using Klarnaโs โPay later in 30 daysโ products even if you have failed to pay on time.