Klarna Docs - Klarna resources

Klarna resources

Get up and running with Klarna resources.

Explore our resources to get detailed insights and guidance. Learn more about testing Klarna solutions to ensure a smoooth integration process and to familiarize yourself with our policies to stay compliant.

Testing Klarna products

Use our tools to test and enable Klarna solutions in a fast and smart way.

Demo store

Check out the demo store to have a complete overview of Klarna purchase flow.

Quick access

Documentation/Article

Sample data

Use our sample data to test the different Klarna solutions and flows.

Documentation/Article

Error codes

Learn more about error codes and messages and how to resolve them.

Documentation/Article

Marketing

Get access to a full suite of tools and information designed to help you effectively showcase Klarna's payment solutions to your customers.

Documentation/Article

Legal

Learn more about our legal agreements for Klarna services, policies and guidelines for regulatory and compliance requirements.

Documentation/Article

Merchant Portal guide

Use this guide to learn how to navigate the Klarna portal.

Documentation/Article

API reference

Learn more about Klarna's APIs, available endpoints and how to interact with them.