GuideRequirementsExplore our secure API endpoints, protected by mutual TLS & eIDAS certificates from approved Trust Centers, including Bundesdruckerei in Germany. Ensure the right TPP roles for access.
GuideOverviewShopware offers a comprehensive e-commerce solution that enables maximum flexibility, full scalability, and expert support every step of the way.
GuideCharge an on-demand payment via HPPCharge customer-initiated on-demand purchases with the customer token using Klarna's Hosted Payment Page, including support for step-up when customer interaction is required to authorize the purchase.
GuidePost Purchase ManagementIn this section, you’ll find the best practices for Stripe and Klarna integration. We recommend you follow the steps below to get the most value from your new payment option.
GuideCountryWhen 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.
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.
GuideStart a payment sessionThis guide walks you through initiating a payment and letting your customers pay with Klarna in your physical store.
GuidePayment Flows and Error HandlingHandle different Mobile SDK flows end-to-end and implement robust error handling.