Stack hardening
Stripe webhook and subscription hardening for AI-built apps.
A single successful checkout is not the same as launch-ready billing. Ready? Check… Launch! checks webhook verification, subscription state, retries, and paid-access boundaries.
Beta audit spots available. No passwords, API keys, production credentials, or private customer data through forms.
Common issues
Unsigned webhook events accepted
Client-side trust for paid access
No clear source of truth for subscription status
Failed payments and cancellations not reflected in app access
What is checked
Checkout, customer creation, and portal flow
Webhook signature verification and retry behavior
Subscription status, entitlement sync, and source of truth
Refund, cancellation, failed payment, and trial states
Beta audit spots available
Need a stripe launch-readiness review?
The Launch Readiness Audit is the recommended entry point for stack-specific rescue work.
No passwords, API keys, production credentials, private customer data, or sensitive data through forms. Audit fee credited toward hardening sprint when the sprint is scoped from the audit.