Stripe

Stripe is a financial technology company that builds economic infrastructure for the internet, providing payment processing APIs and tools that allow businesses of all sizes to accept payments and manage revenue online. Founded by brothers Patrick and John Collison, Stripe powers millions of businesses across 195+ countries with products spanning payments, billing, fraud prevention, banking-as-a-service, and corporate card issuance. It is one of the most highly valued private technology companies in the world.