I Got Tired of Rebuilding Auth, Billing, and AI Features for Every SaaS

Every time I start a new SaaS product, I hit the same wall.

The idea's different. The landing page's different. The AI feature's different. But the foundation is almost always identical: auth, a user dashboard, Stripe subscriptions, protected routes, database models, a pricing page, checkout, webhooks, a billing portal, the AI integration itself, usage limits, error handling, a bit of admin tooling, and deployment.

And before I can touch the thing I actually set out to build, I've burned days, sometimes weeks rebuilding plumbing I've already written five times.

If you're building an AI SaaS in 2026, the hard part isn't calling an AI API. The hard part is turning that API call into something people will pay for.

The hidden work behind an AI SaaS