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< Welcome to Klarna. Smoooth payments. Here you will find the integration guides, API documentation, and more to easily integrate with Klarna />Product documentation
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Product
Test our products

Pay now
Instant payments and subscription payments for customers who like to pay for a purchase immediately.
View Documentation →Pay later
Delayed payments for customers who like low friction purchase and to pay after delivery by invoice.
View Documentation →Slice it
Installment, revolving and other flexible financing plans let customers pay when they can and when they want.
View Documentation →Resources
Resources
Testing Environment
API References
The APIs are organized around resources using URLs and the different HTTP methods to create and modify these resources.
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Get Smoooth Handbook
Branding
Aligned with what people want, and need, when buying. They help you increase your conversion and even the trust for your store.
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