Build the checkout form overview
Discover how to integrate Klarna into your checkout by building a custom payment form, or through Cybersource hosted checkout once it is live.
1 min read
Present Klarna in your checkout with Cybersource. Build your own payment form, or use Cybersource hosted checkout once it is live.
Klarna Web SDK
Use the Klarna Web SDK to build the payment selector and offer Klarna as an in-page payment option in your checkout.
Klarna Payment Presentation API
Use Klarna's Payment Presentation API server-side to render Klarna in your own payment selector, with step-up ending in a redirect.
Cybersource hosted checkout
If you rely on Cybersource's hosted checkout and don't build your own payment selector, Klarna is shown by default.
Info
Cybersource hosted checkout is not live until Q1 2027.
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