single-api
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The Company Teaching Global Money to Speak 17 Local Languages
A single API, 17 Latin American countries, and 640-plus ways to move money. How a Buenos Aires payments company became the plumbing under global commerce - then got bought by an ad-tech giant.
Prometeo
Prometeo is a Latin American fintech-infrastructure company that turns the region's fragmented banking landscape into a single API. Through one integration, businesses can validate bank accounts, aggregate financial data, and move money across banks and borders. Founded in Montevideo, Uruguay in 2018, Prometeo has connected thousands of banking channels across more than a dozen countries in the Americas and raised a $13M Series A in 2024 led by Antler Elevate with PayPal Ventures and Samsung Next.
Checker
Checker is a New York-based financial infrastructure company that lets regulated banks, fintechs and payment providers plug into stablecoins, digital-asset liquidity, cross-border payments, treasury and credit through a single API. Founded in 2023, it stitches together 50+ liquidity and infrastructure providers across 75+ currencies, and processed roughly $3 billion in volume over its first year - about 1% of global B2B stablecoin payment flows. In May 2026 it raised $8 million from Galaxy Ventures, Al Mada Ventures and Framework Ventures to expand its network across Brazil, Kenya, Hong Kong and the United States.