Authentication

Conversion boosters

Integration via partners

Basics

Extra merchant data

Escalation & retry policy

Klarna Service Level

Purchase services

Klarna payments

Klarna payments API

Customer token API

Hosted payment page (HPP)

Hosted payment page API

Post-purchase services

Order management

Order management API

Merchant card service API

Consumer banking

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All Documentation

Payment services

Klarna Payments Mobile payments Subscriptions In-Store payments

Additional features

On-site messaging Express checkout Sign in with Klarna Settlements Disputes

Resources

Partner support Integrated partners Testing data Demo store Github Marketing assets

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