A few months ago I wanted to sell access to AI tools I'd built — a passive income analyzer, an AI strategy consultant, an autonomous commerce layer. The standard approach is: pick a SaaS platform, pay their cut, accept their limitations.
Instead I built ACE — an AI commerce engine that handles everything itself. It's been running on Railway for months, delivering license keys, processing Stripe webhooks, and accepting x402 micropayments. Here's the architecture.
What ACE does
ACE is a license server that sits between a payment event and an AI tool delivery. When someone pays:
Stripe fires a webhook
