Billflare Webhooks Pack

Production-grade Stripe webhooks on Cloudflare Workers + D1 · v1.0.0

Stripe secret keyset

Webhook signing secretset

Admin secretset

Events processed (D1)3

Open dead letters0

Endpoints

POST /api/webhook — Stripe (constructEventAsync + SubtleCrypto)
GET /api/health — JSON health
GET /api/admin/events — recent events (header X-Admin-Secret)
GET /api/admin/dead-letters — dead letters
POST /api/admin/replay — replay dead letter {"event_id"}

Built-in handlers

checkout.session.completed
customer.subscription.updated
customer.subscription.deleted
invoice.paid
invoice.payment_failed

Unknown event types are safely ignored and acked (200).

Add-on to the Billflare billing spine. Point Stripe Dashboard → Webhooks at /api/webhook.