Welcome to Klarna. Smoooth payments.
Here you will find the integration guides, API documentation, and more to easily integrate with Klarna.
We've made some changes!
We have just released information on our new products and new APIs on this site. Please make sure to select the correct product you are integrating with before you go on.
If you have an existing integration, click to view the correct documentation: “Klarna Payment Methods” (KPM) or “Klarna Checkout” version 2 (KCO-v2).
For information on our new products Klarna Payments (KP) and Klarna Checkout version 3 (KCO-v3) please select the product below.
If you are unsure of which documentation you need, please consult a Klarna tech sales representative.