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Kustom Checkout

Take your business to the next level with a best-in-class checkout that drives conversions, reduces complexity, and adapts to your needs.

24k+

merchants

170

supported countries

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A checkout that pays off

Seal the deal with a trusted checkout solution
Our well-known KCO interface with pre-filled information creates trust and lets shoppers complete their purchases with ease.

Let your shoppers decide how to pay
With all major payment methods and local options available, your shoppers can easily find the right choice for them.

Create a customized experience
With Kustom, you can tailor the checkout to extend your brand experience throughout the entire shopping journey.

Shipping options for everyone
Create an easy shipping experience with a wide range of international and local couriers. KCO is integrated with 11 TMSs to offer several options tailored to your markets.

Global trust. Local relevance.

KCO empowers merchants globally with tailored checkouts designed to convert more shoppers and fuel growth—anywhere your business thrives.

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Let users shop on-the-go or from home with a mobile-first experience and pre-filled info for returning customers.

85%

of shoppers who use Kustom checkout say it’s a better experience than other online checkouts.

99%

of purchases are seamless, with no customer complaints.

Built to boost you

Kustom Checkout keeps Klarna Payments at its core while expanding features to fuel growth, innovate faster, and deliver a truly seamless experience.

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Personal pre-fill

Make shopping easy with the KCO interface your shoppers know and trust.

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Tailored shipping options

Create an easy shipping experience with a wide range of international and local couriers.

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Flexible payment methods

Your customers can pay now or later with Klarna via card, bank transfer, or any other option.

Scaling your business has never been easier

We've teamed up with Stripe to unlock features that will take your business to the next level, starting in March 2025.

100+ payment methods

Choose from over 100 options at checkout to meet payment preferences worldwide—along with Klarna Payments for a smooth, flexible shopping experience.

Localized markets

Tailor your checkout experience with local languages and payment methods across 45 markets.

Multi-currency support

Make international transactions seamless with 135+ accepted currencies.

Integration

Kustom Checkout works seamlessly with e-commerce platforms or direct site integration, ensuring automatic updates to keep your checkout future-ready.

Platforms

Kustom Checkout is pre-integrated with most e-commerce platforms. The easy setup is straightforward and it won’t be long until you can start accepting payments.

Developers

Get started with integration guides, API documentation for direct system integration, and more.

Details about Kustom Checkout

Let’s get down to the nitty-gritty. All you need to know about Kustom Checkout is right here.

Market availability

US, UK, DE, NL, AT, SE, FI, NO, DK

Customer identification

Included

Payment methods included

Installments, Pay in 30 days, Financing ¹

Klarna buyer protection

Included

Klarna seller protection

Included

Direct integration via

Javascript & RestAPI

Auto updates

Included

Auto local

Included

Developer’s resources

Standard term of agreement

36 months

E-commerce platforms

¹ Further eligibility checks will apply.

Questions?

Unsure on how to use Kustom, or how to get started? Find answers below. Please contact business support for any further support or troubleshooting.

Kustom, formerly known as Klarna Checkout (KCO), is one of Europe's leading checkout solutions. We help merchants tailor their checkout to fit their shoppers’ preferences and business needs. Kustom offers a variety of payment methodsin addition to Klarnaand will be fully focused on further developing our conversion-leading service for you as a merchant.

Kustom’s checkout solution orchestrates a variety of innovative and scalable features for you as a merchant. This includes fundamental aspects like payment methods, currencies and order management, but also integrations for shipping, discount codes and moreall presented in an attractive and seamless way for the shoppers. We aim to reduce the overall integration burden for merchants and ensure that all features in the checkout work harmoniously, regardless of the systems the merchant uses.

Absolutely! Klarna will remain a cornerstone of our overall offering.

As a merchant you can continue to enjoy the same seamless checkout experience and industry-leading conversion rates you’ve come to expect. We are continuously rolling out improvements to enhance your experience, such as additional payment methods, increased customization and more accessible customer support. We remain committed to delivering a high performing, flexible solution that evolves with your business.

Not at this stage—but over time, we look forward to offering more features, the ability to customize the service according to your needs, and of course, introducing new payment methods.

No, our focus is on enriching the offering without increasing the price.

Grow your business with a powerful, customizable checkout solution

Don't hesitate to reach out to us—we are always here to support from start to finish line.