Update ongoing order
Here you can read about handling actions such as a basket update or a discount code.
Want to do extra validation after the consumer presses buy and before Klarna accepts the order? Read more here.
Zero amount orders
What happens if a consumer uses a gift card that reduces the sum of the order to zero? Read more here.
Do you want to start a subscription for the the consumer when they complete the purchase? Read more here.
How does shipping work in Klarna checkout? How to send shipping options? Read all about it here.
Want to place a checkbox in Klarna Checkout to make the user opt-in for a newsletter or something else? Read more here.
Do you want to match the look and feel or you website? Learn more about customizing Klarna checkout!
React to consumer changes
Selling to multiple countries
Sell and ship to almost all markets. Read how to configure an order to make it happen here!
B2B, business to business
Want to sell to organizations? Learn how to here. Only applicable for SE, NO and FI.
Native app (SDK)
The place to visit if you are developing a native app and want to integrate Klarna Checkout.