Introduction

Klarna, the global digital bank and flexible payments provider, partnered with Rokt to enhance post-transaction engagement across its rapidly expanding international footprint, delivering tailored offers and content immediately after checkout. As Klarna expanded into 14 markets and included Rokt-powered offers in new touchpoints, they sought innovative solutions to deepen customer relationships, drive in-app engagement, and support strategic campaigns. 

The Opportunity

Klarna wanted to move beyond transactional payments and create meaningful, ongoing engagement with customers after checkout. Klarna sought a partner who could power personalized post-transaction journeys at scale and support the complexity of launching new markets and products. They also needed to ensure every customer interaction, especially in-app, was relevant, timely, and drove both engagement and business growth.

The Approach

Rokt worked closely with Klarna to power post-transaction customer engagement using Rokt Thanks, delivering tailored offers and content immediately after checkout through advanced AI machine learning. 

This enabled Klarna to seamlessly engage customers in-app and across digital channels, support international campaign rollouts, and scale engagement across 14 markets while adapting to local preferences and regulatory requirements. To do this, Rokt partnered with Klarna’s local market and compliance teams to apply country-specific rules for offers, consent, and data use so every experience met local guidelines and still felt native to Klarna.

The Unlock 

  • 168 million transactions powered by Rokt across Klarna’s ecosystem
  • 111% year-over-year post-transaction ad revenue growth, driven by expansion into global markets
  • 5.2% CTR in the US, outperforming the Rokt Network average by 34%

By tapping into the Transaction Moment, Klarna scaled relevance, improved monetization, and accelerated growth. 

Takeaways

  • Strategic partnerships that combine technology, data, and local market expertise are critical for international expansion and campaign success.
  • Investing in post-transaction engagement—especially via in-app channels—can deliver measurable business impact even when first-party data is limited.
  • Continuous collaboration and knowledge sharing help both partners stay ahead of industry trends and maximize long-term value.

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