Klarna Docs

Documentation for anyone working with Klarna

Most Popular Docs
API
I want to discover how the Klarna Payments API works
Read more
Guide
Get started with Klarna Payments
Read more
API
I want to discover how the Klarna Checkout API works
Read more
Article
I want developer test credentials
Read more
Guide
Get started with Klarna on Shopify
Read more
Article
Free Klarna UK marketing resources
Read more
Guide
Get started with On-site messaging
Read more
Video Tutorials
Merchant Portal in 9 min
Get introduced to your all-in-one business assistant
On-site messaging in 11 min
Ready to boost your sales up to 25% with customized messaging?
User Experience in 11 min
How small changes will help you create a high-quality website, ensuring conversions and returning customers
Integrating Klarna Checkout
The fastest way to get started with Checkout!
Browse our documentation library to get started!
Klarna Payments
Finance purchases in your own checkout, in your online store via Klarna
Klarna Checkout
Seamless checkout solution that delivers a best-in-class user experience
On-site Messaging
Increase sales and consumer confidence by highlighting available financing options, before doing a checkout
In App
Empower your app with Klarna's in-app purchase experience
Hosted Payment Page
Integrate Klarna without any client side work
Shipping Assistant
Give shoppers the power to choose their delivery experience
Order Management
Handle your day to day merchant activities in an easy and user-friendly way
Settlement Reports
Settlement Reports help you reconcile Klarna payments towards you
Merchant Card Service
Lets you settle orders with virtual credit cards issued by Klarna
Disputes
How to handle and respond to disputes
Careers
Hello there, we’re hiring!