Merchant support

Are you a company that has purchased with Klarna? Please contact Customer service

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Most common questions

How do we see what status the invoice/order has?
How do I move the due date of an invoice/order?
How do I remove an invoice/order in Klarna Online?
How do I activate an invoice/order in Klarna Online?
How do I register a part return on an invoice/order in Klarna Online?
How do I add fees or discounts to items on an invoice/order?

Merchant login

Click here

Activations / returns / invoice corrections

Move expiration date / change address

Your store information


Accounting material

User handling

Information on beneficial owners of your business

Technical support


Klarna logotypes for different markets and services.

Klarna Integration Guide

Our dedicated site for helping you to integrate Klarna with your system.

Can't find your answer? Contact us!

Phone support

+46 (0)8 120 120 30

Mon-Thu 08:30 - 19:00

Friday 08:30 - 17:00

Sat-Sun 10:00 - 17:00

Holidays - closed

In order for us to assist you as efficiently as possible we kindly ask you to provide your merchant ID and the email address that you use to log in to Klarna Online.

E-mail support

Got a question or feedback for us?

E-mail us on