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Klarna Payments Integration

Klarna Payments lets you add Klarna’s flexible payment methods to your checkout. Our omnichannel solution gives your customers the same experience everywhere, online or in-store.

Choose how you integrate, directly through API or via 


The end-to-end process to make a payment with Klarna involves three main steps:

  1. Initiating a payment creates a session that identifies the purchase towards Klarna.

  2. The checkout displays Klarna payment methods and authorises the purchase.

  3. Create an order uses the authorised payment from the previous step and creates an order.


You can find more information on integrating Klarna Payments directly via API’s on our documentation website 


Copyright © 2005-2024 Klarna. Klarna Financial Services UK Ltd is authorised and regulated by the Financial Conduct Authority (“FCA”) for carrying out regulated consumer credit activities (firm reference number 987889), and for the provision of payment services under the Payment Services Regulations 2017 (firm reference number 987816). Klarna Financial Services UK Ltd offers both regulated and unregulated products. Klarna’s Pay in 3 instalments and Pay in 30 days agreements are not regulated by the FCA. Incorporated in England (company number 14290857), with its registered office at 10 York Road, London, SE1 7ND.