Guide
Sign in with Klarna
In this step-by-step guide you will learn how to integrate Sign in with Klarna into your Android app.
Guide
Integrate one-step Express checkout
Learn how to integrate the one-step Express checkout for a fast and simple shopping journey.
Guide
Customize placements with CSS
This guide provides instructions on how to style the On-site messaging placements that appear on your pages through CSS to align them with the look and feel of your page.
Guide
App Block placements
Display Klarna On-Site Messaging on your Shopify store by installing the app and customizing dynamic or static placements across key pages for a tailored shopping experience.
Guide
Klarna Docs - Klarna Express Checkout - Android
This guide will show you how to use Klarna Mobile SDK to implement Express Checkout in your Android mobile application, providing a fast and simple shopping experience for your users.
Guide
Sign in with Klarna - iOS
In this step-by-step guide you will learn how to integrate Sign in with Klarna into your iOS app.
Guide
Other operations
Implement proper token exchange, refresh, and validation using JWKS to support seamless and authenticated integrations.
Guide
Integrate On-site messaging
Learn how you can add On-site messaging. Get a glimpse of what each integration option offers and start implementing.
Guide
Klarna On-site Messaging App for Shopify
Learn how to display Klarna’s On-site messaging in your Shopify store.
Guide
Before you start with Sign in with Klarna
Set up Sign in with Klarna by choosing your preferred integration method, configuring business details in the Merchant Portal, and thoroughly testing before going live.
Guide
How to enable Sign in with Klarna in PrestaShop
This guide explains how to add Sign in with Klarna to your PrestaShop store.
Guide
Express Checkout in Salesforce Commerce Cloud
Klarna Express checkout (KEC) is a new feature introduced in Storefront that displays an Express Checkout Button on the Product Detail Page (PDP), Cart, and Mini Cart. Users are redirected to Klarna upon clicking the Express Checkout button.
Guide
Sign in with Klarna - React Native
Add Sign in with Klarna to your React Native app by integrating the Klarna In-App SDK, configuring native dependencies, and securely managing the sign-in flow and user data scopes.
Guide
Integrate multistep Express checkout
Learn how to integrate the multistep Express checkout to support more robust checkout options.