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What is Autumn?

Autumn is an open-source layer between Stripe and your application, allowing you to create any pricing model and embed it with a couple lines of code. With Autumn, you can build:
  • Subscriptions - Traditional recurring billing with plans and tiers
  • Credit systems & top-ups - Flexible credit-based models with refills
  • Usage-based models & overages - Charge based on actual consumption
  • Custom plans for large customers - Enterprise pricing without code changes
All this without having to handle webhooks, upgrades/downgrades, cancellations, or payment failures.

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Why Autumn?

Billing Gets Complex Fast

Beyond payments, you need permission management, metering, usage limits with cron jobs, and handling upgrade, downgrade, cancellation, and failed payment states. Race conditions and edge cases will slow you down.

Decouple Billing from App Logic

Growing companies iterate on pricing often: raising prices, experimenting with credits, or charging for new features. DB migrations and rebuilding in-app flows shouldn’t be required.

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How It Works

First, create your products and plans on the dashboard. Autumn supports any pricing model, including:

Usage & Overage

Set real-time usage limits and choose when they reset. Charge users when they go over.

Credits

Users can access monetary or arbitrary credits that multiple features can draw from.

Seat-based with Per-Seat Limits

Bill customers for their users (or other entities) with individual limits.

Pay Upfront

Let users purchase a fixed quantity of a feature upfront, which is used over time.

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Three Core Functions

All your billing logic can be implemented through just 3 functions:

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1. Attach - Handle All Purchase Flows

One function call for all purchase flows. Returns a Stripe Checkout URL or handles upgrades/downgrades. 
const { attach } = useAutumn();

<button
  onClick={async () => {
    await attach({ productId: "pro" });
  }}
>
  Upgrade to Pro
</button>

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2. Check - Gate Access to Features

Check whether a customer has access to a product, feature, or remaining usage. 
const { check } = useAutumn();

const { data } = await check({ featureId: "ai_tokens" });

if (!data.allowed) {
  alert("AI limit reached");
}

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3. Track - Record Usage Events

When a customer uses a usage-based feature, record a usage event. 
const { track } = useAutumn();

await track({
  featureId: "ai_tokens",
  value: 1312
});

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Get Started

Quickstart

Get up and running in minutes with our cloud service or local setup

Self-Hosting

Deploy Autumn on your own infrastructure with Docker

API Reference

Explore the complete API documentation and endpoints

Community

Join our Discord community for support and discussions

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Open Source & Community

Autumn is fully open-source and backed by Y Combinator. You can self-host it on your own infrastructure or use our cloud service at app.useautumn.com.
Need help? Join our Discord community or email us at [email protected]

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