Checkout and identity platform Bolt has added Klarna’s payment options into its CheckoutOS, enabling merchants to offer “flexible” payment methods to consumers.  

The integration positions Klarna as the default payment method on Bolt’s platform, allowing customers to use Klarna’s Pay in 4 feature to split payments or opt for financing on higher-value items. 

The collaboration streamlines the addition of new payment methods for merchants, eliminating the need for additional contracts or technical development.  

Klarna’s payment options on Bolt-powered stores provide a “one-click” checkout experience, combining identity verification and payment processing into a single action.  

The initial phase will see the integration go live in the US later this year, with subsequent plans to extend into other markets and sectors.  

Bolt CEO Ryan Breslow said: “Bolt merchants need powerful tools that help them capture consumer spend. By embedding Klarna natively, we’re giving every merchant—from emerging brands to enterprise-scale retailers—a turnkey way to offer flexible payments, without lengthy contracts or approval processes.  

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“We’re excited for our network of 80 million shoppers to discover the simplicity of one-click checkout paired with Klarna’s flexible payment options.” 

Bolt’s suite of products include CheckoutOS and the SuperApp, an all-in-one finance and crypto hub. 

Last month, Bolt launched Bolt Connect, to help marketplaces onboard merchants. It also confirmed the support for stablecoin payments. 

In Q1 2025, Klarna reported a $3m adjusted operating profit, up $5m from the same period in the previous year.