Pomelo’s $55M Series C: Argentine Fintech Doubles Down on Latin America’s Payments Race

For anyone tracking the flow of capital into South America, the news out of Buenos Aires this week lands with the weight of a confirmation: the region’s payments infrastructure is no longer a side bet. Pomelo, the Argentine fintech founded in 2021, has just closed a $55 million Series C round co-led by Kaszek and Insight Partners, with a roster of heavy hitters — Index Ventures, Adams Street Partners, S32, Endeavor Catalyst, monashees, and TQ Ventures — joining the table. The money will fuel expansion across Latin America, adding new products like a stablecoin-denominated global card, payment tokenization, and AI-driven chargeback management to its existing card issuance and processing stack.

To understand why this matters, you have to look past the headline number. Pomelo was built by Gastón Irigoyen, Hernán Corral, and Juan Fantoni — Endeavor entrepreneurs recognized by the World Economic Forum — and it has quietly become the plumbing behind some of the region’s most recognizable names: Santander, BBVA, Bancolombia, Western Union, Rappi, Astropay, Stori, and DolarApp, among more than 150 corporate clients. The company runs an API-first, cloud-native platform that processes payments directly with Mastercard and Visa, which is a bit like being the electric grid for a city that’s still installing sockets. For outsiders, think of it as the Stripe or Marqeta of Latin America, but with a local’s understanding of the market’s quirks — hyperinflation, currency volatility, and a banking system that historically left millions underbanked.

The timing is no accident. Latin America’s fintech sector hit $13.14 billion in 2024, and projections from IMARC Group see it reaching $49.58 billion by 2033. That growth is being driven by a young, mobile-first population and a regulatory push toward open finance. But what sets Pomelo apart is its focus on infrastructure rather than consumer apps. While neobanks and digital wallets fight for users, Pomelo sells the rails beneath them — the card issuance, the payment processing, the fraud tools. That’s a position that scales across borders, and it’s why investors are willing to back a company that has now raised around $160 million since founding, a remarkable vote of confidence in a region often viewed as risky.

For the South American wealth watcher, this round is a signal that global capital is maturing in its approach to the region. It’s no longer just about funding the next unicorn app; it’s about betting on the foundational technology that will underpin decades of financial growth. The involvement of Kaszek, one of Latin America’s most storied venture firms, alongside global players like Insight Partners, suggests a belief that the region’s fintech story is still in its early chapters. And Pomelo’s expansion into stablecoin products is a savvy nod to the region’s currency realities — a way to offer stability without waiting for governments to fix their own monetary policies.

Looking ahead, Pomelo’s roadmap for 2026 includes deepening its card issuance and processing platform, launching new payment channels, and building a sustainable business that serves thousands of users. For those of us who cover wealth in South America, the takeaway is clear: the infrastructure play is the one to watch. As the region’s fintech market balloons, the companies that own the rails will be the ones cashing in on every transaction, every new bank, every fintech startup that needs a backbone. Pomelo just made sure it’s got a front-row seat — and the fuel to keep accelerating.