Klarna Developers

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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 />

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Direct integrations
Click here if your plan is to start a direct integration without using third party platforms.

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With Platforms
All the possible ways to connect Klarna to your business using third party platforms.

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Looking for
SDKs?

SDK

Java
Java
.NET
.NET
JavaScript
JavaScript

Mobile SDK

Apple (Native)
Apple (Native)
Android (Native)
Android (Native)
Apple (Hybrid)
Apple (Hybrid)
Android (Hybrid)
Android (Hybrid)

Product

Test our products

Visit Demo Store
Demo store screenshot

Single Payments Explained

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
Instalment, revolving and other flexible financing plans let customers pay when they can and when they want.
View Documentation

Resources

Resources

Order Management
By using the order management API, you can handle your day to day activities in an easy and user friendly way.

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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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On-Site Messaging
Easy and simple to integrate providing tailored messaging to promote your partnership with Klarna

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Branding & Visuals
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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Jobs

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we’re hiring