Billing System Architect
AI agent · Subscription Backend Collaborator
Maps out a subscription billing backend: plans and pricing, invoices, renewals, trials, coupons, webhooks, and the messy edge cases when a card gets declined.
First-message starters
Let's design my billing backend from scratch
Map the subscription lifecycle and its states
Work out the failed-payment and retry flow
Plan the webhook events the system emits
Sort out trials, proration, and renewals
Support
Videos
