ChatAPILaunch a subscription SaaS without a developer
Auth, recurring billing, and a customer dashboard — pre-wired so you can charge from day one.
No credit card. Build your first MVP free.
How do you launch a subscription SaaS without a developer?
Every subscription SaaS needs the same foundation: users can sign up, you can charge them every month, and they can manage their plan. Rebuilding that from scratch is weeks of work. ChatAPI wires the proven APIs for auth and recurring billing into a working product, so you can focus on the one thing that's actually yours — the feature people pay for.
“A SaaS where freelancers track billable hours. Free trial, then $12/mo. Users sign up, log hours against clients, and export invoices. Charge them monthly and let them upgrade or cancel themselves.”
What ChatAPI wires together
Real APIs, connected with just enough glue code to behave like one product.
Sign-up, login, and user management
Recurring subscriptions, trials, and the customer billing portal
App data and per-user state in realtime
Welcome, trial-ending, and payment-failed emails
See which features drive upgrades
What your MVP includes
- Sign-up and login with secure sessions
- Monthly/annual plans with free trials on Stripe
- A self-serve billing portal for upgrades and cancellations
- A gated app area only paying users can reach
- Lifecycle emails for trials and failed payments
Questions founders ask
Can it handle free trials and plan upgrades?
Yes. ChatAPI wires Stripe subscriptions with trials, plan changes, and a customer portal where your users manage their own billing — no support tickets to you.
Whose Stripe account is the money in?
Yours. You connect your own Stripe keys, your customers' subscriptions live in your account, and ChatAPI doesn't take a cut of your revenue.
What happens when I outgrow the MVP?
You own the codebase — a standard Next.js + TypeScript app. Keep refining it by chatting, or hand it to any developer to extend. No lock-in.
Keep exploring
Build a subscription SaaS with a specific API
- Stripe
Recurring subscriptions, trials, and the customer billing portal
- Plaid
Use Plaid to let customers link their bank account in your subscription SaaS.
- PayPal
Use PayPal to take payments at checkout in your subscription SaaS.
- Twilio
Use Twilio to send SMS text messages in your subscription SaaS.
- SendGrid
Use SendGrid to send transactional email in your subscription SaaS.
- Resend
Welcome, trial-ending, and payment-failed emails
- Postmark
Use Postmark to send transactional email in your subscription SaaS.
- Clerk
Sign-up, login, and user management
- Auth0
Use Auth0 to offer single sign-on (SSO) in your subscription SaaS.
- Convex
App data and per-user state in realtime
- Supabase
Use Supabase to use a Postgres database in your subscription SaaS.
- PostHog
See which features drive upgrades
APIs in this build
Compare your options
Describe it. Ship it.
Start free, build your first MVP, and only pay when you're ready to download the code and go live.
Start building free