In order to go live you need to implement the required steps below
Make sure you can place an order as explained in our get started guide and confirm the purchase as explained in confirm purchase.
After the purchase is completed you need to make sure you handle the order properly in accordance to the order management api.
Make sure you handle the settlement files correctly in accordance to the settlement files documentation.
Your integration should be fully tested in our playground environment. Read about testing here.
Make sure to follow the Klarna Branding standards to meet our design standards and deliver a positive impact for your business. You can find them here.