Kustom Checkout for WooCommerce

Kustom is the Nordics’ most-used checkout solution, trusted by over 24,000 businesses, from fast-growing brands to global enterprises. Designed to remove friction at every step, Kustom makes it so effortless for shoppers in 170 markets to buy, that they keep coming back for more. The experience is seamless and fast, with pre-filled personal details, plus an express checkout that makes buying easy, especially on mobile. Give your customers access to all the popular payment methods and the delivery options they actually want.

For businesses, Kustom is just as straightforward to manage. A single plug-and-play integration unlocks everything you need to run your checkout with ease, with less upkeep and minimal maintenance. From payment methods, built-in shipping and the flexibility to tailor the look, feel and flow to your brand. Whether you’re in one market or many, Kustom adapts to your needs and scales with your ambitions, supporting growth and delivering a localized experience wherever you sell.

Kustom was founded in 2024 when Klarna Checkout became an independent company, fully focused on building the best possible checkout for merchants. Now, as a standalone solution, Kustom can adapt quicker to the evolving needs of businesses — giving you more control, flexibility and value than ever before.

Key benefits

A trusted and seamless experience
Checking out should feel effortless. With a mobile-first experience, address pre-fill and express checkout, your shoppers breeze through the purchase — helping you reduce drop-offs and bring them back.

Let your shoppers pay their way
Give shoppers the flexibility to pay now or later with the payment method they prefer. No matter where you sell, Kustom supports all the popular options like cards, Klarna, Vipps, Swish, Google Pay, Apple Pay, MobilePay, bank transfers and more, to help you drive conversion in every market.

Hassle-free shipping, built right in
Flexible shipping options makes more browsers become buyers. With built-in access to 12 TMS providers that offer a wide mix of local and international couriers, you simplify your operations and keep your customers happy.

Quick to integrate, easy to run
Get up and running fast with a single plug-and-play integration that covers everything: payments, shipping, markets, and currencies. Plus, with elements, you can add features like payment method display and express buttons with minimal effort. Launch quickly and scale easily, without complicating your tech stack.

Control your checkout and data
Make the checkout truly yours by choosing the components you need today, and styling it to match your brand. In your insight dashboards, you have detailed analytics from payment mix across different markets to shopper demographics, helping you identify growth opportunities and guide your checkout optimization for tomorrow.

Built to grow with you
Whether you’re expanding across regions or scaling from one market to many, Kustom is ready. With localized currencies and languages, you can offer a local experience wherever you sell, no matter how quickly you grow.

The features that get it done

Our enhanced checkout experience is now better than ever, giving your business the tools it needs to thrive.

Styling
Make your brand part of the checkout experience. Customize the color of headers, checkboxes, buttons and links, as well as button text and border radius, to match your look and feel while ensuring a seamless experience across devices.

Payments
Offer the payment options your customers actually want, whether it’s paying now or paying later. With all the popular options and smart pre-selection based on local favorites, the widget delivers a familiar, trusted experience.

Shipping
Give shoppers confidence at checkout through upfront delivery fees, popular pre-selections and express options tailored to their needs. You get 12 TMS integrations, flexible address handling and features that make setup simple, and built to convert.

Pre-fill
With Kustom, 84% of shoppers don’t need to fill out a thing. For returning customers, personal info is pre-filled and addresses autocomplete instantly. It’s all designed to reduce friction, speed up checkout and cut drop-offs.

Address
Collect accurate customer data without the hassle. Kustom’s address form is designed to get it right from the first input, adapting to local formats, validating entries in real time and tolerating typos.

Express button
Win conversions with the fast track shoppers love. The one-click express button speeds up the path to purchase and can be flexibly placed across your site, from product pages to the cart, making it easy for customers to buy in just a few taps.

B2B
Business customers shop differently, and your checkout should keep up. From VAT handling to B2B invoicing, underwriting, credit limits and business type recognition, Kustom tailors the experience to fit the way companies buy.

Age verification
Easily verify customer identity and age with BankID in Sweden and Norway. Whether for age-restricted products, prescriptions or compliance, verification runs seamlessly without disrupting the shopper experience.

Upsell
Increase cart size with tailored recommendations that slot directly into the checkout without disrupting the shopper experience. Adjust your upsell strategy with your specific business goals, ensuring every suggestion is relevant and conversion-driven.

Elements
Show payment and delivery options across your site, so customers know what to expect. Highlight express checkout with Klarna, Apple Pay and Google Pay, and enable one-click purchases anywhere in the journey.

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
Global coverage with localized experiences in Austria, Belgium, Denmark, Finland, Germany, Italy, Netherlands, Norway, Poland, Spain, Sweden, Switzerland, United Kingdom, and United States.

Customer identification
Included

Payment methods
Cards, Klarna, Swish, Apple Pay, Google Pay, MobilePay, Vipps, iDEAL, Wero, Billie, BLIK, Bancontact, TWINT, Cartes Bancaires, Pay by Bank and Bank transfers and more

Developer’s resources
Found here

FAQ
Found here

How to get started

1. Sign up for Kustom: ​To offer your customers the benefit of paying with Kustom, you must first sign up for a Kustom account and gain access to the Kustom Portal. You could also create a Kustom Playground account in our test environment here.
2. Install the Kustom extension on WooCommerce.

Kustom portal access always included

The Kustom portal is the command center for your commerce. Handle orders, payouts and checkout settings in one unified view. Insight dashboards help you understand the people behind every purchase and drive growth. With a single log in to the Kustom Portal, you’ll get access to multiple tools for hassle-free business management and successful growth with Kustom.

• Easily track your business performance with an aggregated daily sales overview.
• Get the summary of important to-do’s and never miss out on revenue.
• Manage your brand directly in the Merchant Portal and control how it’s presented to consumers across Kustom channels.
• Increase sales and average order values with Kustom Elements, read more here.