Billflare Trials + Dunning Pack

Stripe secret keyset

Webhook signing secretset

Admin secretset

Customers (D1)4

Subscriptions (D1)2

Dunning events (D1)6

Past due0

Trial / grace days14 / 3

Try it Billing email Trial period days

Results appear here.

Endpoints

POST /api/checkout — subscription Checkout with trial_period_days
GET /api/subscription?email= — status, trial_end, past_due_since, entitlement
POST /api/portal — Billing Portal (update payment method)
POST /api/webhook — SubtleCrypto; checkout, subscription.*, invoice.payment_failed|paid, trial_will_end
POST /api/dunning/run — apply grace expiry (X-Admin-Secret; cron-friendly)
GET /api/health — JSON health (secret flags only)
GET /api/admin/dunning_events — recent events (X-Admin-Secret)