Klarna Docs
An effortless integration
Designed for growth
Explore guides and code examples to get started with Klarna
Quick access
Conversion tools
Developer resources
Testing tools
Marketing resources
Integrate Klarna solutions through one of our partners.
Guide
Enable Klarna payments
Learn how to integrate Klarna payments in your checkout
Guide
Test Klarna products
Follow our guide to test and enable our solutions.
Guide
Boost sales with messaging
Growth your business by promoting the availability of Klarna with our On-site messaging.
Sign in with Klarna
Customers' favorite way to sign in. Let customers safely sign up for your platform using their Klarna account.
In-app payments
Give customers the ability to pay with Klarna without leaving your mobile app.
Express checkout
Make your checkout 5x faster.