API and SDKsSupport
Klarna Network Distribution
Klarna has formed partnerships with a broad array of international Partners to make Klarna's flexible and convenient payment option the default checkout choice for customers worldwide. Each month, millions of customers opt for Klarna for their transactions, both online and in physical stores.
Operational efficiency
One global management API to onboard merchants at scale and manage full lifecycle with Klarna.
Effortless integration
Single API suite to access all Klarna products and features for one integration globally.
Our offering includes On-site messaging, Express checkout, and Sign in with Klarna alongside marketing services such as affiliation and price comparison search. These features are designed to improve customer experience and Partner sales.
Documentation
Express checkout
Offer a checkout process that is 6x faster, significantly lowering the threshold for customers to complete a purchase..
Documentation
On-site messaging
Add personalized messaging throughout the customer journey for higher conversion rates and increased spend.
Documentation
Sign in with Klarna
A one-click experience, increasing account registrations, (unrivaled access to consented customer data) and improving conversion rates.
Klarna elevates the shopping journey from inspiration and intent to checkout and retention. We prioritize streamlining payments for Partners with a simplified checkout process, conversion optimization, and customer identification. Our dynamic expertise ensures seamless interoperability between products within the Klarna ecosystem, delivering a smooth and consistent customer experience across all integration patterns.