GuideURLsExplore Klarna's XS2A API URLs for seamless payment integration. Access production, sandbox environments, and authentication certificates here.
GuideAuthenticationLearn how to access Klarna's APIs with your API key: format, usage (live/test), and securing every request. Info on Username/Password clients and TLS for secure connections included.
GuideWhat is Klarna payments?Read this article for an introduction to Klarna payments, its place in the Klarna product family, and payment scenarios it supports.
GuideVerifone terminalKlarna In-store is also available through external payment service providers (PSP) and point-of-sale (POS) providers. If you're already onboarded with one of them, you can add Klarna as a payment method to your existing solution.
GuideNative View - iOSAdding Klarna Payments to your application is as easy as adding a view and performing the payment operations on it.
GuideHosted Payment Page APIComprehensive guide on integrating Klarna's Hosted Payment Page (HPP), covering API usage, session creation, authentication, and managing environments.
GuideDiscount voucher or codeMost common discount types can be deducted through Klarna payments. Find all information below on vouchers, codes, gift cards and loyalty clubs, including integration and VAT handling.
GuideOne-time payment orderCreating an order differs for one-time and recurring payments. For one-time, send a POST with authorization token to Klarna. For recurring, generate a customer token first.
GuideRequesting the releaseUse the Klarna payments API to cancel an authorization and remove any customer debts gotten during the payment session.
GuideAuthenticationThis section of the guide walks you through initiating a payment and letting your customers pay with Klarna.
GuideGeneric integrationIntegrate Klarna's Hosted Payment Page (HPP) with Klarna Payments and Order Management to deliver a seamless consumer payment experience and efficient order processing.