For Partners
For Acquiring Partners
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Partner Portal
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Payments
Disputes
Express Checkout
On-site messaging
Additional resources
API & SDK
Integration via Solidgate
DOCUMENTATION
Get started
Ecosystem Overview
Perfect Customer Journey
Optimize Klarna transactions
Optimize Klarna transactions
How to send Klarna Network Data
Payments on restricted businesses
Payments
Overview
Integration checklist
Present Klarna in your checkout
One-time payments
Tokenized payments
Overview
Token creation
Token charge
Customer initiated transaction
Partner initiated transaction
Checkout Styling
Disputes
Overview
Dispute management via Klarna Partner Portal
Handle Disputes and Gather Evidence
Customer protection message
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
Use cases
Create a user account post purchase
Subscriptions and on-demand
Additional tools
Partner Portal
Homepage
Conversion Boosters
Payments Home
Settings
Notifications
Register Webhooks
Integration resilience
API Ecosystem
Security
Request limits
Request timeout
Idempotency
Rate limiting
Data types
Identifiers and references
Service level
Versioning and release management
IP address restrictions
Error handling
Resources
Developer tools
Sample data
Sample customer data
Sample customer data - Disputes
Sample payment data
Glossary
Merchant portal guide
Homepage
Payments
Conversion booster
Settings
Marketing tools
Global marketing assets
Marketing guidelines for merchants
Brand guidelines
Pre-made advertising assets
Online marketing
In-store marketing
Partner marketing legal guidelines
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
Legal and compliance
Policies and term of service
Sensitive goods and privacy
Prohibited and restricted businesses
Cooperation agreement conditions
Cookie policy
Financing for Domestic Premises Suppliers
Klarna assets terms of service
Payment solutions guidelines
Legal and data protection (EU)
Legal and data protection (US)
Legal and data protection (AU)
Requirements for card transactions
Security recommendations for your checkout
More solutions guidelines
Tokenization of shopping solutions
Boost features terms of service
Ad policies for Klarna advertisers
Billie terms & conditions
Search and Compare - Terms and Conditions
Other agreements and relevant guides
Klarna services T&C
Cyber scams and security tips
Additional resources
Integration resilience
Error handling
API & SDK
Server Side API
Management
Security Management
API Keys
get
List all API Keys
post
Create an API Key
get
Read an API Key
delete
Disable an API Key
patch
Update an API Key
Client Identifiers
get
List all Client Identifiers
post
Create a Client Identifier
get
Read a Client Identifier
delete
Disable a Client Identifier
patch
Update a Client Identifier
Client Certificates
get
List all current client certificates
post
Create a client certificate
get
Read the data for a client certificate
patch
Update a Client Certificate
post
Revoke a Client Certificate
IP Restrictions
get
Read IP restriction enforcement status
patch
Manage IP restriction enforcement
get
List all configured allowed IP ranges
put
Set allowed IP ranges
post
Append allowed IP ranges
Allowed Client Origins
get
List allowed client origins
post
Create an allowed client origin
get
Read an allowed client origin
delete
Delete an allowed client origin
Payment
Payment Request API
post
Create a server-to-server payment request
get
Read the state of a Payment Request
delete
Cancel payment request
patch
Update a Payment Request
Payment Presentation API
get
Retrieve Klarna payment presentation elements
Network session
Network Session API
post
Generate Klarna network session token
Notifications
Webhooks
get
List webhooks
post
Create webhook
get
Get webhook
delete
Delete webhook
patch
Update webhook
post
Simulate a webhook
Signing Keys
get
List signing keys
post
Create signing key
get
Get signing key
delete
Delete signing key
Identity
Identity API
post
Generate SDK token
Klarna Network Data Schema
Web SDK
Config
IntegrationMetadata
setIntegratorSessionReference
setOriginators
setPartnerAccountId
setAcquiringConfig
setSdkToken
setKlarnaNetworkSessionToken
Customer
Transaction
onWidgetError
onWidgetComplete
onWidgetCancel
widget
Network
Session
token
onTokenUpdate
Payment
presentation
button
onComplete
onError
onAbort
onShippingAddressChange
onShippingOptionSelect
off
fetch
cancel
initiate
Integration via Solidgate
Sign in with Klarna
Use cases
Subscriptions and on-demand
Klarna Docs - Klarna through Solidgate - SIWK Subscriptions and on-demand use case
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