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Autumn (YC S25) — Billing infrastructure for AI

Autumn appears in Y Combinator's company directory in the Summer 2025 batch, listed 2024-11-01. Billing infrastructure for AI.

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Autumn: Accepted into Y Combinator Summer 2025

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Autumn

New accelerator entry · 2024-11-01 · the record

Summer 2025
batch
5
people
Early
stage
United Kingdom
region
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In their words

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 (we handle versioning, migrations etc), and manage custom pricing too. Everything you could down the line (credits, multiple subscription groups, rollovers, referral program, usage analytics, centralized team billing etc), you can drop in at any point.

What the record says

BatchSummer 2025
Announced2024-11-01
StageEarly
StatusActive
Team size5
IndustryB2B
Sub-industryB2B
RegionsUnited Kingdom, Europe
BasedLondon, England, United Kingdom
HiringYes
Sitehttps://useautumn.com
Previously known asRecase

The full profile

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If you're behind Autumn: acceptance into a YC batch is one of the few weeks a young company gets looked up by people who matter — investors, other founders, press. FoxPlug turns the commits, deploys, and releases you're already making into that story automatically, so anyone who looks finds something current. FoxChat puts a guide on your own site so the people YC's own page just sent you don't read one line and leave.

Sourced from the company's Y Combinator directory entry.

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Permanent URL: https://mentionfox.com/funding/yc-autumn
Last updated 2026-09-26
Primary record: Y Combinator directory entry
Autumn (YC S25) — Billing infrastructure for AI. MentionFox, 2026-09-26. https://mentionfox.com/funding/yc-autumn