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Documentation
API Resources
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Integration via Cybersource
  • Get started
    • Ecosystem overview
    • Perfect Customer Journey
      • How to optimize Klarna transactions
      • How to share Klarna network data
      • Payments on restricted businesses
  • Payments
    • Overview
    • Integration checklist
    • Klarna in your checkout
      • Klarna Web SDK
    • Checkout styling
  • After payments
      • Overview
      • Management via Partner Portal
      • Handle Disputes and Gather Evidence
  • Express Checkout
    • Integration Prerequisites
    • Web integration
    • Button styling
  • On-site messaging
    • Integration Prerequisites
    • Web integration
    • Placements
  • Sign in with Klarna
    • Integration Prerequisites
    • Web integration
    • OpenIDconnect and Customer Identity Cloud
    • Button styling
  • Additional tools
      • Homepage
      • Conversion Boosters
      • Settings
      • Register to Webhooks
      • API Ecosystem
      • Security
      • Request limits
      • Request timeout
      • Idempotency
      • Rate limiting
      • Data types
      • Identifiers and references
      • Service level
      • Versioning and release management
      • IP address restrictions
  • Resources
        • Sample customer data
          • Sample customer data - Disputes
        • Sample payment data
      • Glossary
        • Homepage
        • Payments
        • Conversion booster
        • Settings
        • Marketing guidelines for merchants
        • Brand guidelines
          • Online marketing
          • In-store marketing
        • Australia
          • BNPL promotion rules 101
        • Canada
          • BNPL promotion rules 101
        • Ireland
          • BNPL promotion rules 101
          • Influencer promotion rules
        • Netherlands
          • BNPL promotion rules 101
        • Norway
          • BNPL promotion rules 101
        • Spain
          • BNPL promotion rules 101
        • Sweden
          • Regulated financing promotion rules 101
        • United Kingdom
        • United States
          • BNPL promotion rules 101
          • Regulated financing promotion rules 101
        • Rest of the world
        • Sensitive goods and privacy
        • Prohibited and restricted businesses
        • Cooperation agreement conditions
        • Cookie policy
        • Financing for Domestic Premises Suppliers
        • Klarna assets terms of service
        • Legal and data protection (EU)
        • Legal and data protection (US)
        • Legal and data protection (AU)
        • Requirements for card transactions
        • Security recommendations for your checkout
        • Tokenization of shopping solutions
        • Boost features terms of service
        • Ad policies for Klarna advertisers
        • Billie terms & conditions
        • Search and Compare - Terms and Conditions
        • Klarna services T&C
        • Cyber scams and security tips
  • Additional resources
      • Error handling
  • Server Side API
    • Management
        • API Keys
          • getList all API Keys
          • postCreate an API Key
          • getRead an API Key
          • deleteDisable an API Key
          • patchUpdate an API Key
        • Client Identifiers
          • getList all Client Identifiers
          • postCreate a Client Identifier
          • getRead a Client Identifier
          • deleteDisable a Client Identifier
          • patchUpdate a Client Identifier
        • Client Certificates
          • getList all current client certificates
          • postCreate a client certificate
          • getRead the data for a client certificate
          • patchUpdate a Client Certificate
          • postRevoke a Client Certificate
        • IP Restrictions
          • getList all configured allowed IP ranges
          • putSet allowed IP ranges
          • postAppend allowed IP ranges
          • getRead IP restriction enforcement status
          • patchManage IP restriction enforcement
        • Allowed Client Origins
          • getList allowed client origins
          • postCreate an allowed client origin
          • getRead an allowed client origin
          • deleteDelete an allowed client origin
    • Payment
      • Payment Request API
        • postCreate a server-to-server payment request
        • getRead the state of a Payment Request
        • deleteCancel payment request
        • patchUpdate a Payment Request
      • Payment Presentation API
        • getRetrieve Klarna payment presentation elements
    • Network session
      • Network Session API
        • postGenerate Klarna network session token
    • Notifications
      • Signing Keys
        • getList signing keys
        • postCreate signing key
        • getGet signing key
        • deleteDelete signing key
      • Webhooks
        • getList webhooks
        • postCreate webhook
        • getGet webhook
        • deleteDelete webhook
        • patchUpdate webhook
        • postSimulate a webhook
    • Identity
      • Identity API
        • postIntrospect a customer token issued in the account linking flow.
        • postRevoke a customer token issued in the account linking flow.
        • postGenerate SDK token
    • Klarna Network Data Schema
  • Web SDK
    • Config
        • setIntegratorSessionReference
        • setOriginators
      • setPartnerAccountId
      • setAcquiringConfig
      • setSdkToken
      • setKlarnaNetworkSessionToken
    • Customer
        • onWidgetError
        • onWidgetComplete
        • onWidgetCancel
        • widget
    • Network
        • token
        • onTokenUpdate
    • Payment
      • presentation
      • button
      • onComplete
      • onError
      • onAbort
      • onShippingAddressChange
      • onShippingOptionSelect
      • off
      • fetch
      • cancel
      • initiate
  1. Integration via Cybersource
  2. Web SDK
  3. Customer