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Technical and Integration

All questions

Does Klarna have an integration guide?

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https://www.klarna.com/uk/business/merchant-support/does-klarna-have-an-integration-guide/
How do I fix the error message "401 Unauthorized" in the checkout?

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https://www.klarna.com/uk/business/merchant-support/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?

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https://www.klarna.com/uk/business/merchant-support/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?

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https://www.klarna.com/uk/business/merchant-support/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?

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https://www.klarna.com/uk/business/merchant-support/how-can-i-test-my-checkout/
Where can I find the API-credentials?

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https://www.klarna.com/uk/business/merchant-support/where-can-i-find-the-api-credentials-2/
What needs to be done before I can start integrating with Klarna?

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https://www.klarna.com/uk/business/merchant-support/what-needs-to-be-done-before-i-can-start-integrating-with-klarna/
What does "We need to check your business details manually" mean?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/what-does-we-need-to-check-your-business-details-manually-mean/
I have logged in to the Merchant Portal to integrate. How does it work?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/i-have-logged-in-to-the-merchant-portal-to-integrate-how-does-it-work/
Klarna Checkout does not work after I have integrated. What is the problem?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/klarna-checkout-does-not-work-after-i-have-integrated-what-is-the-problem/
The details for the test enviornment is marked with a red X on the instalation page.

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https://www.klarna.com/uk/business/merchant-support/the-details-for-the-test-enviornment-is-marked-with-a-red-x-on-the-instalation-page/
What is AML and why do I need to fill it out?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/what-is-aml-and-why-do-i-need-to-fill-it-out/
What is the username and password that needs to be added in my platform?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/what-is-the-username-and-password-that-needs-to-be-added-in-my-platform/
How does the integration work?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/how-does-the-integration-work/
What is needed for you to activate my store for sales and to have my integration approved?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/what-is-needed-for-you-to-activate-my-store-for-sales-and-to-have-my-integration-approved/
We have received a warning stating our agreement will be cancelled if we do not respond to the email concerning our company’s beneficial owners, but we did not received an email. Can you resend it?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/received-warning/
We have received a reminder regarding questions about our company’s beneficial owners but did not receive the initial e-mail. Can you resend it?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/received-reminder-regarding-questions-companys-beneficial-owners/
Why did we receive an e-mail in the “wrong” language?

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https://www.klarna.com/uk/business/merchant-support/wrong-language/
We have received two e-mails regarding our company’s beneficial owners, but have only answered one of them. Do we need to answer both?

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https://www.klarna.com/uk/business/merchant-support/received-two-e-mails/
Why did we receive an error message when we attempted to complete the form concerning our company’s beneficial owners?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/receive-error-message/
What is PEP?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/what-is-pep/
I am not able to supply information regarding our company’s beneficial owners. Can you request this information form my colleague instead?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/not-able-to-supply-information/
How can we be sure that the email “Klarna needs information regarding your company's beneficial owners” has been sent by Klarna?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/klarna-needs-information-regarding-companys-beneficial-owners/
It does not feel safe submitting information regarding our company’s beneficial owners on the internet, what should I do?

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https://www.klarna.com/uk/business/merchant-support/submitting-information-regarding-companys-beneficial-owners/
What does the e-mail regarding our company’s beneficial owners have to do with laws against money laundering?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/anti-money-laundering/
Our Klarna Sales Representative has information regarding our company’s beneficial owners. Can you get this information from them?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/regarding-companys-beneficial-owners/
We previously answered questions concerning our company’s beneficial owners when we signed our agreement with Klarna. Do we have to answer these questions again?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/previously-answered-questions-beneficial-owners/
Why does Klarna require the information in the e-mail “We need information regarding your company's beneficial owners”?

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Link to answer
https://www.klarna.com/uk/business/merchant-support/companys-beneficial-owners/
Where do we find Klarna’s logotypes?

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https://www.klarna.com/uk/business/merchant-support/klarnas-logotypes/

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-Sunday Closed
Bank Holidays Closed

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020 300 50844

080 818 93444

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