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Billing for AI apps — without the backend

Get paid for your AI app
— in 10 minutes.

Add credits, usage-based billing, and subscriptions to any AI app. Drop-in React components and a metering API — charge per call and gate Pro features without building billing infrastructure.

No credit card · Works with Next.js, Lovable, Bolt, v0 & Cursor
app/page.tsx
import { PayKitProvider, Paywall, usePayKit } from "@paykit/react"

export default function App({ user }) {
  return (
    <PayKitProvider userId={user.id}>
      <ImageStudio />
      <Paywall plan="pro" fallback={<UpgradeCard />}>
        <HDUpscale />   // gated — Pro only
      </Paywall>
    </PayKitProvider>
  )
}
function ImageStudio() {
  const { meter, credits } = usePayKit()
  async function generate() {
    const { blocked } = await meter("image_gen")  // −1 credit
    if (blocked) return openBuyCredits()
    runModel()
  }
}
The problem

Billing is a tax on shipping your AI app.

01

Weeks wiring Stripe, webhooks, customer portals, and a database just to take payment.

02

Every model call costs you money — but metering usage per user is fiddly and easy to get wrong.

03

Hard-coded paywalls leak revenue, frustrate users, and break the moment plans change.

Credits & usage billing

Meter every AI call with one function. Sell credit packs and bill for exactly what users consume.

meter("image_gen")

Subscriptions & paywall

Wrap any Pro feature in a component. Plans and entitlements gate access automatically.

<Paywall plan="pro">

Drop-in, no backend

One provider on the client, our API runs the ledger. No tables, no webhooks, no infra to babysit.

<PayKitProvider />
Pricing

Free to start. One price to scale.

Free
$0
For prototyping & your first users.
Up to 100 metered calls / mo
Credits, paywall & React SDK
Test-mode keys
POPULAR
Launch
$19/mo
Everything you need to charge for real.
Unlimited metered calls
Credit packs & subscriptions
Live Stripe payouts & webhooks
Usage analytics & cost guardrails

Start charging for your AI app.

Join the waitlist — we'll email you when your workspace is ready.