Documentation
Products
Klarna CheckoutSeamless checkout solution that delivers a best-in-class user experienceKlarna PaymentsFinance purchases in your own checkout, in your online store via KlarnaHosted Payment PageIntegrate Klarna without any client side workIn-AppEmpower your app with Klarna's in-app purchase experienceInstant ShoppingMerchants can enable a sale as soon as they have caught the attention of a consumerOn-Site MessagingIncrease sales and consumer confidence by highlighting available financing options, before doing a checkout
Companion Offerings
Order ManagementHandle your day to day merchant activities in an easy and user-friendly waySettlement FilesSettlement files provide details of all merchant transactions at the close of a business dayMerchant Card ServiceLets you settle orders with virtual credit cards issued by KlarnaKlarna Shipping ServiceGive shoppers the power to choose their delivery experience
Resources
Resources
Testing EnvironmentEverything you need to test the Klarna products in a playground environmentSDKs and LibrariesKlarna provides SDKs and libraries for different languages covering an array of productsGet Smoooth HandbookOptimize your integration with our best practicesPoliciesRead our terms of service, cookies policy and deprecation policyAPI ReferencesComprehensive documentation for our REST APIs