Klarna Docs
Guide
Payment methods availability
Learn about Klarna payment methods when loading Klarna’s widget.
Guide
Purchase country, locale, and currency
When initiating a payment, you need to define a country, locale, and currency for the payment session. Learn which are the valid values for these parameters and how to map them.
Guide
What is Klarna payments?
Read this article for an introduction to Klarna payments, its place in the Klarna product family, and payment scenarios it supports.
Guide
Step 1: Initiate a payment
This section of the guide walks you through initiating a payment and letting your customers pay with Klarna.
Guide
Klarna payments SDK reference
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.
Guide
Mixed payments
Learn more about Mixed payments here.
Guide
Klarna Standalone WebView Overview
Klarna Standalone WebView is a customized view you can add to your Android or iOS app to display Klarna-specific content. Behind the scenes it does quite a few things to make it easier to render and work with Klarna-related content. The functionality of it is equivalent to Hybrid integration but it's a lot simpler integration and work just like the platforms WebView solutions with enhancements for Klarna products.
Guide
Payments with Mollie
Mollie is a payment service provider offering payment solutions for businesses of all sizes to sell and grow effectively.
Guide
Before you start with Zettle
Learn how to enable Klarna with Zettle
Guide
Payments with Optimizely
Optimizely offers a digital experience platform for content creation, e-commerce, and digital marketing all in one place.
Guide
Prepare your integration in-store
Learn about the prerequisites to enable Klarna Payments in your physical store.
Guide
Extra merchant data for Kustom Checkout
Learn about all the additional information about your customer you can send.
Guide
Standalone in-store solution
Start accepting Klarna payments in-store without the need for extra hardware.
Guide
Static QR best practices
Get the most out of your static QR integration.
Guide
Check the details of a payment session
Use the Klarna payments API to check the details of a session at any time.