Finix vs Stark Bank
Side-by-side comparison of AI visibility scores, market position, and capabilities
Payment facilitation infrastructure for SaaS platforms; enables vertical software companies to become their own PayFac and capture interchange economics.
About
Finix is a payments infrastructure company enabling software platforms, SaaS companies, and marketplaces to become their own payment facilitators — processing payments directly rather than through third-party payment processors. Founded in 2016 and headquartered in San Francisco, Finix provides the regulatory, technical, and banking infrastructure that allows platforms to brand and control their own payment acceptance product without building payment facilitation capabilities from scratch or giving up economics to Stripe or Braintree.
São Paulo Brazil YC W20 open banking API at 155B BRL ($31B) payments 2023 with 3x YoY growth and doubled net income; $58.2M total ($45M Ribbit/Bezos Series B 2022) serving Gol/Localiza/QuintoAndar competing for Brazil fintech infrastructure.
About
Stark Bank is a São Paulo, Brazil-based open banking API platform and digital business bank — backed by Y Combinator (W20) with $58.2 million in total funding including a $45 million Series B in April 2022 led by Ribbit Capital with Lachy Groom and Bezos Expeditions (Jeff Bezos's personal investment vehicle) — providing companies with payment processing infrastructure, banking APIs, and financial services built on Brazil's open banking framework. In 2023, Stark Bank processed 155 billion reais ($31 billion USD) in payments (3x year-over-year growth), doubled net income to 71.5 million reais, and serves 600+ enterprise clients including Gol Airlines, Localiza, Ultragaz, Loft, and QuintoAndar. Founded in 2018 by Rafael Stark.
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