Guide
Payment methods availability
Learn about Klarna payment methods when loading Klarna’s widget.
Guide
Customer data requirements for authorize()
This section describes the customer data we require to place an order, depending on the purchase country.
Guide
Update the cart
If your customer updates their shopping cart or if you make any changes to payment details, you have to update the payment session before creating an order.
Guide
Finalize an authorization
Use the Klarna JavaScript SDK to finalize an authorization.
Guide
Shipping fees
Transparency in costs, including shipping, is key to maintaining trust with your customers and ensuring compliance with Klarna's guidelines.
Guide
Tax handling
When using Klarna payments, it's important that you include correct tax details for each order.
Guide
Klarna WebView - iOS
Integrate Klarna WebView for iOS using KlarnaMobileSDK to render payment views, handle sessions, and customize the experience with flexible import and configuration options.
Guide
Klarna standalone WebView integration
In this step-by-step guide you will learn how to integrate the KlarnaStandaloneWebView into your Android app.
Guide
What is Klarna In-store?
Klarna Payments for physical stores brings the convenience and flexibility of Klarna's seamless payment solutions to your in-store shopping experience.
Guide
Initiate an in-store payment
This guide walks you through initiating a payment and letting your customers pay with Klarna in your physical store.
Guide
Prepare your integration web
Ready to offer a smoooth purchase experience to your customers? Here's what you need to know before integrating Klarna payments into your store's website or mobile app.
Guide
Payments with Shopware
Shopware offers a comprehensive e-commerce solution that enables maximum flexibility, full scalability, and expert support every step of the way.
Guide
Monitor the status
Learn how to monitor the distribution status of an in-store payment.
Guide
Standalone in-store solution
Start accepting Klarna payments in-store without the need for extra hardware.
Guide
Best practices for partners
Follow our best practices to get the most out of your In-store integration.