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You already run Klarna. Now build around it.

Klarna handles checkout well. The question is which ecommerce platform fits your business and how the two connect. We help you make that decision and deliver the full build.

Fits with

About the system

Klarna gives you flexible payment options, buyer protection, and strong brand recognition across Nordic markets. It excels at checkout conversion and post-purchase flows. But Klarna is a payment layer, not an ecommerce engine. Product data, inventory, content, promotions, and order routing all live elsewhere. The gap between Klarna and the rest of your commerce stack is where platform choice, data architecture, and delivery quality matter most. Getting the checkout integration right is necessary but not sufficient. The platform it connects to, the data feeding it, and the experience surrounding it determine whether the investment pays off.

Strengths

Platform-agnostic advisoryNordic checkout expertiseStructured integration deliveryEnd-to-end ecommerce builds

Business benefits

Checkout that fits your market

Klarna is already trusted by Nordic buyers. We connect it to the right platform so the full purchase journey matches that trust, from product page to confirmation.

Platform matched to your business model

Shopify works well for fast-moving DTC and fashion brands. Norce fits complex product catalogues with multiple price lists and channels. Shopware gives you control when you need deep customisation. We help you pick based on your reality, not a vendor preference.

Clean data from day one

Payment reconciliation, order status, and product information stay consistent across systems. That means fewer manual fixes and more time spent on growth.

Faster time to revenue on new channels

A well-structured Klarna integration lets you launch new markets or sales channels without rebuilding the checkout layer each time.

Reduced friction in post-purchase flows

Returns, partial captures, and invoice handling work as expected when the integration is properly built and tested against real order scenarios.

A foundation you can extend

The architecture we deliver is designed for your next move, whether that is a new warehouse, a B2B channel, or a second storefront.

Delivery approach

The Klarna integration itself is only one part of the work. A successful project also includes platform selection, data quality review, content and UX planning, QA across payment scenarios, and a structured rollout plan. We use Junipeer as the integration layer to connect Klarna with your chosen ecommerce platform, which gives us reliable data mapping and pre-built connectors. But the real value comes from the surrounding delivery work that makes sure the integration performs in production.

Beyond the integration

The integration is only one part of the work. Platform choice, data quality, content, UX, QA, and the launch itself also need to be planned and delivered for the solution to work in practice.

1

Discovery and platform selection

We review your current setup, order volumes, product data, and growth plans. Based on that, we recommend whether Shopify, Norce, or Shopware is the best fit and map out how Klarna connects to it.

2

Architecture and integration design

We define the data flows between Klarna, your ecommerce platform, and any existing business systems. This includes payment methods, order lifecycle events, and edge cases like partial shipments or mixed carts.

3

Build and QA

The platform, storefront, and Klarna integration are built in parallel. We test real checkout scenarios, including failed payments, invoice splits, and currency handling, before anything goes live.

4

Launch and optimisation

We roll out in a controlled way, monitor checkout performance, and resolve issues quickly. After launch, we review conversion data and adjust configuration where needed.

FAQ

Can I keep Klarna and just change the ecommerce platform?

Yes. Klarna is a payment provider, not a platform. You keep your Klarna agreement and merchant setup. We connect it properly to whichever ecommerce platform fits your business.

Which ecommerce platform works best with Klarna?

All three platforms we recommend integrate well with Klarna. Shopify is a strong choice for DTC and fashion brands that want speed and simplicity. Norce suits retailers with complex pricing, multi-warehouse setups, or B2B needs. Shopware is a good fit when you need deep customisation and own your hosting. We help you choose based on your product data, operations, and growth plans.

What data typically syncs between Klarna and the ecommerce platform?

Order creation, payment authorisation, captures, refunds, and order status updates are the core flows. Depending on your setup, we also handle partial captures, shipping triggers, and invoice references. The exact scope depends on the platform and your business rules.

What does a project like this typically cost?

It depends on scope. Engagements range from a focused checkout review to a phased rollout across markets. We scope based on your current state and what you need to launch with confidence. Contact us for a specific estimate.

What work is involved beyond the Klarna integration?

Quite a lot. Platform configuration, product data migration, UX and content work, payment scenario testing, and rollout planning are all part of a real project. The integration is a critical piece, but it only works well when the surrounding delivery is solid.