Open-source layer over Stripe for AI startups to build and run complex pricing. Autumn handles Stripe payments, usage tracking, and feature gating in "3 functions, 0 webhooks," plus drop-in UI components for upgrades/downgrades, add‑ons, and referrals.
MRR (USD)
TRAILING 30D REVENUE
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LIFETIME REVENUE
TARGET CUSTOMER
AI startups and developers building SaaS who need flexible pricing/billing (including sales-led teams needing invoicing/custom plans).
TIMELINE
- Released Next.js Autumn library — April 22, 2025 →
First-class Next.js SDK/library announced; focus on great DX.
- Self-hostable release (Better Auth + Drizzle ORM) — June 18, 2025 →
Migrated to Better Auth and Drizzle ORM so Autumn can run without third-party dependencies.
- Convex component launch — September 9, 2025 →
Convex integration/component released so teams can define backend and pricing in config.
- YC F24 experience and pivot (founder reflection) — September 12, 2025 →
Founders recount YC F24 with low conviction and investor ghosting before pivoting and later fundraising.
TECH STACK
TypeScript + React; Next.js SDK/library (previously also Vite); shadcn/Tailwind UI components; Stripe Billing as the billing rail; Better Auth + Drizzle ORM (self-hostable); integrations/components for Supabase and Convex.
LATEST USERS
USERS CHANGE
FINANCIALS
TRACTION
- users — 10 percent · as of June 17, 2025 retained users. ~10% week on week growth.
- signups — 400 count · as of May 30, 2025 700,000 views 3000 site visitors 400 sign ups
FOUNDERS
Co-building Autumn; coded and shipped core SDKs/integrations; went through YC F24 and later fundraising; publicly recounts spending the YC batch with "0 conviction" and getting ghosted by 50 investors before pivoting.
Autumn Co‑Founder; authors product/blog content and ships features.
PRODUCT–FOUNDER FIT
The founders repeatedly ran into Stripe integration complexity and pricing changes at startups. They built Autumn to make Stripe "the easiest and most flexible" way to integrate payments and manage usage/credits, overages, seats, grandfathering, and plan migrations without wiring lots of webhooks, so founders can move faster.