Depending on the market and the details of your Klarna deal, you may be able to add some extra features to your store.
This section only applies to:
Klarna lets you dynamically trigger promotional credit offers.
Your Klarna account manager can help you determine the criteria for custom offers and a standard naming convention that will be referred to when requesting such offers via our API.
When initiating a payment session in which you want to offer custom financing, you have to include one or multiple promotional codes in the custom_payment_method_id array in the create session request.
This section only applies to:
If you're using SmartPost as a shipping option, you must share the following details with Klarna when creating an order:
billing_address[ billing_address object when creating an order].