Autumn
Autumn is open-source infrastructure over Stripe that allows AI startups to build their pricing plans quickly, and flexibly. We act as your app's DB and manage who's paying for what, track usage and manage customer feature access. YC companies use us because we make it easy to handle common pricing models like usage-based, credits, subscriptions, rollovers and more in 3 functions and no webhooks. As you scale, you get reliable billing, that you can change however you want without wrangling code
Y Combinator
yc-company-directory #3082Autumn is open-source infrastructure over Stripe that allows AI startups to build their pricing plans quickly, and flexibly. We act as your app's DB and manage who's paying for what, track usage and manage customer feature access. YC companies use us because we make it easy to handle common pricing models like usage-based, credits, subscriptions, rollovers and more in 3 functions and no webhooks. As you scale, you get reliable billing, that you can change however you want without wrangling code
sourceAutumn is classified as AI infrastructure from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.
Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.
Companies similar to Autumn
A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.
Superwall
match 77Superwall is a complete, standalone subscription platform for consumer mobile and web apps — backend infrastructure (entitlements, purchase APIs with server-side receipt validation, standardized webhooks, real-time revenue analytics, direct SQL access to subscription data) together with a no-code paywall and experimentation engine, and first-class tooling for AI coding agents. Superwall manages $1.6B+ in annual subscription revenue across 10,000+ apps. The infrastructure layer is free at any sca
shared extracted concept terms: webhook; shared product terms: infrastructure, manage, acces, subscription; shared product theme: developer infrastructure, sales and marketing; shared affiliation: Y Combinator
Kable
match 77Kable makes it easy for developers to add usage-based billing, invoicing, analytics, and authentication to their API products with just three lines of code. We help API companies bring their products to market faster, more securely, and with flexible billing tools that help businesses scale. We provide everything needed to create a delightful experience for developer communities and to optimize revenue while giving time back to engineering teams to focus on what matters most.
shared extracted concept terms: bill; shared product terms: what, usage, companie, easy; shared product theme: developer infrastructure, sales and marketing; shared affiliation: Y Combinator
Baraka
match 70💸Hey YC, we’re baraka (S21), an investment app built for people in the Middle East. 📱 Our product This is how we do it: • 6,000+ stocks and ETFs – the freedom to choose the companies and industries that you want to back • The power of financial literacy – educational content, digestible market news and in-depth stock analysis • Fractional Shares – the ability to start investing with smaller sums of money • Fair pricing – Transparent, low commission pricing model • Easy to use – intuitive user
shared extracted concept terms: pric; shared product terms: pric, app, yc, companie; same category: AI infrastructure; shared affiliation: Y Combinator
OpenProse
match 66OpenProse is building open-source infrastructure for long-running AI work: a declarative language plus the Reactor harness/runtime for reliable agent workflows. Our organic open-source traction (7k+ installs) has already translated into a customer at a medical research lab, starting with a $10k pilot set to roll into a $10k/month contract. YC recruited us into the current batch and we've since hired two senior founding team members (ex-Google, Forbes 30u30 harness engineer). All three founding t
shared extracted concept terms: reliable; shared product terms: infrastructure, customer, yc, us; shared product theme: developer infrastructure, sales and marketing, open source and local first; shared affiliation: Y Combinator
Noble
match 64Noble helps companies quickly assess the creditworthiness of their customers and monitor it over time. We do this by providing the modular components needed to quickly build a complete credit-underwriting infrastructure.
shared product terms: infrastructure, over, quickly, customer; shared product theme: developer infrastructure, finance and payments, sales and marketing; shared affiliation: Y Combinator
FitnessAI
match 38App offering AI powered workout plans with anytime access to coaches
shared extracted concept terms: plan; shared product terms: app, plan, acces; same category: AI infrastructure; shared affiliation: Y Combinator