When can I start integrating Klarna?

As soon as your application is approved, you will get the Integration guide based on your e-commerce platform. Then you will be able to generate your Klarna API credentials in the Merchant portal (under Settings) and you can start the integration right away.
Klarna API credentials are used for authentication when sending API calls to us. In this way, you protect your business, and we keep our services secure.

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