This is the library reference for the Klarna payments JavaScript SDK. Here you can find a description of the different methods, their required parameters, and their returns.

Payments

SDK

Live

Guide

Mixed payments

Learn more about Mixed payments here.

Depending on the market and the details of your Klarna deal, you may be able to add some extra features to your store.

You can hook up your web view to the SDK in only a few steps and immediately provide a much more pleasant experience when using Klarna products on mobile.

Klarna Payments (Standalone) - Android

Adding Klarna payments to your application is as easy as adding a view and performing the payment operations on it.

In-store API integration

Use Klarna API to integrate In-store with your store's solution.

Payments

Live

Guide

Adyen order management and disputes

In this section, you’ll find the best practices for Adyen and Klarna integration. We recommend you follow the steps below to get the most value from your new payment option.

Adyen

Payments

Guide

Payments with Worldpay

Worldpay is a global leader in payment processing solutions, providing a comprehensive range of services to help businesses of all sizes accept payments securely and efficiently.

Payments

Guide

Before you start with Zettle

Learn how to enable Klarna with Zettle

Zettle

Payments

Guide

Install the Klarna extension in Adobe Commerce

Learn how to install the Klarna extension from the Adobe Commerce Marketplace.

Adobe Commerce

Payments

Guide

Payments with Optimizely

Optimizely offers a digital experience platform for content creation, e-commerce, and digital marketing all in one place.

Payments

Optimizely