Link copied!
GuideHow to integrate Klarna PaymentsThe end-to-end process to make a payment with Klarna involves three main steps.
GuidePurchase country, locale, and currencyWhen initiating a payment, you need to define a country, locale, and currency for the payment session. Learn which are the valid values for these parameters and how to map them.
GuideCustomer data requirements for authorize()This section describes the customer data we require to place an order, depending on the purchase country.
GuideStep 1: Initiate a paymentThis section of the guide walks you through initiating a payment and letting your customers pay with Klarna.
GuideCancel an authorizationUse the Klarna payments API to cancel an authorization and remove any customer debts gotten during the payment session.
GuideKlarna payments SDK referenceThis is the library reference for the Klarna payments JavaScript SDK. Here you can find a description of the different methods, their required parameters, and their returns.
GuideKlarna Docs - Choose your integration for MobileIntegrate Klarna into your mobile app using the Klarna Mobile SDK, choosing between native or WebView options to balance seamless user experience with flexibility and security.
GuidePrepare your integration in-storeLearn about the prerequisites to enable Klarna Payments in your physical store.
GuideManage orders with the APIHere you can find everything you need to integrate Order management using our API.
GuideInitiate an in-store paymentThis guide walks you through initiating a payment and letting your customers pay with Klarna in your physical store.
GuideCancel a customer tokenYou can cancel a customer token if it's no longer needed, for example, if a customer cancels their subscription.
GuideCustomize placements through Merchant portalIf you're not familiar with CSS or don't have access to your website's source code, use Klarna's Merchant portal to customize placements to better suit your website's design.
GuideEnable Klarna Payment via VtexThis section covers the installation, configuration, and management of the Klarna Payments App in VTEX. It includes step-by-step instructions for setting up Klarna as a payment provider, handling orders, and moving to production.
GuideKlarna Payments in PrestaShopThis page explains how to set up and configure the Klarna Payments module in your PrestaShop store.
GuideManual On-site messagingThis guide covers the manual integration of Klarna On-site messaging with a Shopify store when the app isn’t compatible with your store.
All Documentation