Fast, which lets logged-in users purchase items without going into a shopping cart, raises $102M Series B led by Stripe and Addition Capital
- San Francisco-based Fast announced its $102 million funding round on Tuesday, just a few months after launching its first checkout product.
Context & Ripple Effects
Fast's $102M Series B lands less than a year after its $20M Series A, also led by Stripe, and only months after the company launched its first checkout product — an unusually fast escalation for a startup selling platform-agnostic login and checkout to e-commerce merchants. The round puts Stripe's name on both of Fast's priced rounds, making the payments company both investor and potential distribution channel.
Fast is not raising into a vacuum: rival Bolt added $75M to its own Series C in December 2020, bringing total funding to $215M, so one-click checkout had already become a funded arms race. What followed makes this round a cautionary marker — sources later reported Fast generated just ~$600K in 2021 revenue, tried and failed to raise a $100M Series C, and shut down entirely in April 2022.
First-order effects
- Fast gets the capital to push merchant adoption of cart-free checkout at speed, with lead investor Stripe positioned to embed Fast's flow across its existing payments network.
- Bolt, which had just extended its Series C to $135M, now faces a direct competitor backed by the dominant payments infrastructure provider rather than a generic VC syndicate.
Second-order effects
- Merchants evaluating one-click checkout gain a Stripe-aligned option, forcing Bolt to compete on integration depth and pricing against a rival whose investor controls the underlying payment rails.
- Addition Capital's participation signals that growth-stage funds were willing to price checkout at platform scale on traction measured in months, not revenue — a bar later coverage shows Fast never cleared.
Third-order effects
- The eventual outcome — roughly $122M raised against ~$600K in 2021 revenue and a full shutdown — points toward one-click checkout consolidating inside payments platforms as a feature rather than surviving as standalone startups.
- For later checkout and commerce-infrastructure founders, the Fast arc becomes the reference case investors cite when demanding revenue proof before Series C, tightening the path from funded category to durable company.
The trend: One-click checkout is moving from venture-funded standalone startups toward a feature absorbed by the payments platforms that control the rails.