{"changes":[{"companyHref":"/c/useautumn-com","date":"2026-09-24","documentUrl":"https://www.ycombinator.com/companies/autumn","domain":"useautumn.com","fact":"provenance:existence","name":"Autumn","new":{"publisher":"Y Combinator","status":"sourced","url":"https://www.ycombinator.com/companies/autumn"},"old":{"publisher":"useautumn.com","status":"self-reported","url":"https://useautumn.com"},"publisher":"Y Combinator","reason":null,"retrievedAt":"2026-09-17","slug":"useautumn-com","status":"sourced","url":"https://whoraisedwhat.com/c/useautumn-com"}],"country":"US","description":"The drop-in billing layer for AI startups. Stop rebuilding usage limits, credit systems, and subscription logic. Autumn keeps webhooks, payments, and usage perfectly in-sync.","domain":"useautumn.com","employees":null,"founded":2025,"fundingTotalQuarantined":false,"githubOrg":null,"githubStars":null,"industry":"ai","investors":[],"lat":39.78373,"lng":-100.445882,"location":"USA","name":"Autumn","rounds":[{"amountQuarantined":false,"amountUsd":1000000,"currency":"USD","date":"2025-06-01","investors":[],"leadInvestor":null,"source":{"fact":"round","publisher":"yc","retrievedAt":"2026-09-25","status":"attributed","url":null},"status":"attributed","type":"seed","url":null}],"slug":"useautumn-com","sources":[{"fact":"round","publisher":"yc","retrievedAt":"2026-09-25","status":"attributed","url":null},{"fact":"existence","publisher":"Y Combinator","retrievedAt":"2026-09-17","status":"sourced","url":"https://www.ycombinator.com/companies/autumn"},{"fact":"description","publisher":"useautumn.com","retrievedAt":"2026-09-25","status":"self-reported","url":"https://useautumn.com"}],"stage":"seed","techStack":["Vercel","Next.js","React"],"totalRaisedUsd":1000000,"updatedAt":"2026-09-25"}