Stripe's business model is built on a simple but powerful foundation: charge a small percentage of every payment processed through its infrastructure, and expand the surface area of that infrastructure until it touches every financially significant interaction a business has with its customers and vendors. The genius of this model is that revenue scales automatically with the growth of Stripe's customers — when a Stripe merchant grows its revenue, Stripe's revenue grows proportionally without any additional sales effort. The core payment processing business charges 2.9% plus 30 cents per successful card transaction for standard online payments in the United States, with pricing variations for international transactions, card-present payments, and volume-negotiated enterprise rates. This take-rate model — taking a basis-point slice of every dollar that flows through the platform — is the fundamental engine of Stripe's revenue. At over one trillion dollars in total payment volume, even a blended net revenue rate of 0.7-0.8% (after interchange fees paid to card networks and issuing banks) generates approximately seven to eight billion dollars in net revenue annually. The product expansion beyond core payment processing has been deliberate and strategically coherent. Each additional product Stripe has built addresses a problem that businesses encounter as a direct consequence of handling money — and each additional product increases the revenue per customer while deepening the integration and switching costs that make the platform sticky. The product suite now encompasses: Stripe Billing for subscription and recurring revenue management; Stripe Connect for marketplace and platform payment flows; Stripe Radar for fraud detection and prevention using machine learning; Stripe Tax for automated sales tax and VAT calculation and filing; Stripe Identity for identity verification; Stripe Issuing for corporate card programs; Stripe Treasury for embedded banking and financial accounts; and Stripe Capital for revenue-based lending to platform merchants. Stripe Connect deserves particular attention as a strategic product. Connect enables platforms and marketplaces — companies like DoorDash, Lyft, Shopify, and Instacart — to process payments on behalf of their merchants or service providers, collecting payment from the end customer and distributing funds to the appropriate party. Connect is substantially more complex than standard payment processing — it involves multi-party money movement, regulatory compliance for the platform as a payment facilitator, and fraud management across thousands or millions of sub-merchants. The complexity is precisely what makes Connect valuable and difficult to replicate: it is the product that handles payments for the most commercially significant platforms on the internet, and the switching costs for a platform that has built its payment architecture on Connect are extremely high. The enterprise segment represents an increasingly important revenue concentration. While Stripe built its reputation serving startups and growth-stage companies, it has systematically moved upmarket to serve the largest companies in the world. Amazon, Ford, Maersk, Goldman Sachs, and hundreds of Global 2000 enterprises now process payments through Stripe. Enterprise customers negotiate lower take rates but compensate with payment volumes that generate substantial absolute revenue. Enterprise relationships also tend to be stickier than SMB relationships — large enterprise payment migrations are expensive, disruptive, and rarely undertaken without compelling reasons. The freemium model at the developer and startup end of the market has been a powerful customer acquisition engine. Stripe's developer-friendly API, extensive documentation, and the ability to start processing payments with no upfront fees or minimum volume commitments have made it the default choice for new companies building payment functionality. Many of these companies will never generate significant payment volume, but a meaningful subset will — and those that succeed tend to remain on Stripe as they scale, contributing to a customer cohort revenue dynamic where each year's cohort of new Stripe customers generates increasing revenue over time as the successful companies within the cohort grow. The financial services expansion — Treasury, Issuing, and Capital — represents Stripe's long-term ambition to become the financial infrastructure layer for the internet economy rather than merely a payment processor. Stripe Treasury allows platforms to offer FDIC-insured financial accounts, interest-bearing deposits, and wire transfer capabilities to their merchants. Stripe Issuing allows companies to create, manage, and issue physical and virtual cards for their employees or customers. Stripe Capital provides working capital loans to Stripe merchants based on payment history, without a traditional credit application process. These products generate revenue through interest income, interchange from card transactions, and lending margins — revenue streams that are structurally different from payment take-rates and that expand the total revenue opportunity per customer substantially.