Ship a Generative AI SaaS Product
Wrap a generation API behind FastAPI, gate it with Stripe subscription billing and per-tier usage limits, handle billing webhooks correctly, and ship it as a deployable container.
Prerequisites: Any one earlier project in this roadmap you want to productize; a Stripe account (test mode is fine); Docker.
Targeted versions: FastAPI, Stripe Python SDK, a pinned Stripe API version — verified against FastAPI and Stripe documentation, mid-2026.
The generation logic — an SDXL pipeline, a Claude-powered chatbot, whatever earlier project you want to productize — is usually the easy 20% of shipping a real generative AI product. The other 80% is the unglamorous plumbing: authenticating requests, metering usage against a subscription tier, handling Stripe's billing lifecycle correctly (including the parts that only show up as edge cases in production, like a failed renewal payment), and packaging the whole thing so it deploys reliably.
You'll wrap a generation endpoint in FastAPI, add Stripe Checkout for subscription signup, enforce per-tier usage limits, handle the billing webhook events that keep your database in sync with Stripe's view of the world, and containerize the result.
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