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Find the answer to your questions about Klarna’s products, how to get started and how to sell with Klarna. Contact us if you need help.
Categories
Sell with Klarna
Do I have a contact person? | What is Klarna Checkout? | What is Klarnas payment methods as separate products? | What is Klarna In-store? | What is required to use In-store?
Technical and Integration
Does Klarna have an integration guide? | How do I fix the error message "401 Unauthorized" in the checkout? | How do I fix the error message "bad value_purchase currency" in the checkout? | Why am I sent back to the shopping cart when I try to complete the purchase in the checkout? | How can I test my checkout?
Agreement questions
What details are needed in order for the agreement to be approved? | Is there a binding period for the agreement? | Where can I find my agreement? | In what languages are Klarna's agreement available? | How can I start selling to other countries?
Customer related cases
What can we answer when the customer if they ask about the remaining amount to pay? | How do I resend an invoice to a customer? | How do I post pone the due date for an order that will be delayed? | How do I change a customers billing address? | Why can't the customer complete their purchase?
Merchant Portal
How can I remove an item from a customer's order? | How do I add a logo to customer invoices? | How can I change the Merchant Portal language? | How do I register a returned order? | Where can I find the outstanding balance of my loan?
Administration
How can I add a user in the Merchant Portal? | How can I change the Administrator? | How do I change my bank account details? | When do I need a transfer agreement ? | Why is my IBAN needed for my Klarna agreement?
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Contact us
We can help you as a merchant with all your questions.
Have you made a purchase with Klarna? Please visit our customer service page.
When will I be paid for an order?
Do you want to start selling with Klarna? Get started right away!
Merchant Support opening hours
Monday-Friday
08:00-17:00
Saturday
10:00-18:00
Sunday
10:00-16:00
Bank Holidays
Closed