Data
Wire up real data
Databases and CMS that power your live app, no backend to set up.
Build a Usage-Based SaaS with AI
Stripe metered billing + per-user quotas + real-time usage display. Skip the metering-as-a-service tax (Metronome, Orb, Lago all charge per event).
100 free credits on signup. No credit card needed.
1,000,000
Events meterable on basic Stripe
2h
Metering + caps + alerts wired
0
Metering-vendor fees
100%
Pricing experiment freedom
01 / What you get
Usage-Based SaaS, generated.
Click Generate from the box above. Real code, a real database, real integrations, not a sandbox. Each piece below ships in the first prompt.
01
Per-user usage counter, incremented atomically on every billable action
02
Plan caps enforced on the server (free: 1k/mo, pro: 50k/mo, team: 500k/mo)
03
Stripe Metered Subscriptions: usage reported to Stripe nightly, overage billed automatically
04
In-app usage dashboard: today / this period / projected month-end
05
Alerts at 80% / 100% of cap so users upgrade before being cut off
02 / Variants
3 variants you can ship.
01
Per-API-call SaaS
Each request is a billable event. Rate-limit by plan. Standard for dev tools.
02
Per-active-resource
Bill by rows stored, GBs hosted, machines running. Common for infra products.
03
Per-AI-generation
Each model call is metered. Tokens, images, videos. Pricing matches model cost.
From data to design
The AI builds a real app. Then you shape every pixel.
Type
Tune every letter
Font, size, weight, leading and spacing, all by hand.
Color
Pick any color
Components
Reuse your own blocks
Save any section and drop it in anywhere.
Images
Drop in photos
Pull in free imagery without leaving the canvas.
Pages
Structure your site
03 / Who it's for
Who this is for.
→AI SaaS founders metering tokens or generations
→API-first products charging per call
→Infra products billing per active resource (rows, GBs, runtime)
Works with the tools you already use.
Payments, data, email, analytics, booking, messaging and AI. Connect an account once and every project can use it.
See all connectors
04 / Why generate it
Why generate it instead of buying it.
Metering SaaS (Stigg, Metronome, Orb) charges per event metered. At 1M events a month that's real money for billing infrastructure you can ship in an afternoon.
Pricing experiments are fast: change a plan limit or rate, ship in a prompt. With a metering vendor, every change goes through their UI and may require sales support.
FAQ
Questions about Usage-Based SaaS.
Everything you need to know before you generate it. Anything else, our team is one email away.
Stripe lets your app report usage on a subscription. Each night (or in real-time), the usage gets sent to Stripe. At the period end, Stripe bills the customer for base + overage. WebTwizz builds the usage reporting and the code that handles Stripe's billing updates.
Enforce it on the server only. Every billable action checks the user's current usage before running. At the cap, the action is blocked with an upgrade prompt. Optional: limit requests per visitor for anything that works without logging in.
Keep a counter in your database, updated on every action. The dashboard reads it directly. For high-volume products, count in a fast in-memory store (Redis) and save the totals to the database every minute. WebTwizz sets up either one.
Run grandfathered plans alongside new ones. Old customers stay on their plan; new signups go to new plans. A "migrate to new pricing" CTA in-app lets willing customers move. Stripe supports plan migration at the next renewal.
Keep building
More saas apps you can ship.
AI SaaS App
AI features + paid tiers + token tracking. The four pieces every AI SaaS needs, generated in a couple hours instead of a couple weeks.
Multi-Tenant SaaS
Workspaces, members, roles, billing per customer workspace. Skip paying Clerk or Auth0 per monthly active user just for logins.
Newsletter Platform
Subscriber list + paid tier + sending. Stop renting Substack at 10% revenue cut or Beehiiv at $39/month + per-subscriber.
SaaS with Subscription Billing
Login, Stripe Checkout, plan limits, customer portal, the four pieces every paid SaaS needs, generated and wired up. Skip the setup work, ship the actual product.
Your idea, live in minutes.
Describe what you want. WebTwizz builds the real thing, then you click to change anything.
100 free credits on signup. No credit card needed.