PaymentsStripe12 min read

Stripe webhooks, properly

The raw body, signature verification, why events arrive out of order, retries, deduplicating by event id, which events actually matter, and testing the whole thing locally.

What this one covers

·Why this deserves its own page
·The raw body is the whole ballgame
·What the signature actually is
·Events are not ordered
·Retries, idempotency and event ids
·Which events actually matter
·Answer fast, work later
·Testing it locally

Subscription

The Library

Everything running a software business asks of you and none of it is code: onboarding that activates, churn you can actually see coming, marketing with no budget, SEO that finds buyers, and the AI-plus-Ahrefs workflow for writing the blog that feeds it. One new playbook a week, plus the whole archive from day one.

$9/ month · cancel any time

✓A new playbook every week — onboarding, churn, growth, SEO, content
✓The full back catalogue the moment you join, not drip-fed
✓Vendor explainers: Stripe, Supabase, Resend, Vercel, the AI APIs
✓The research shelf — real papers, decoded, on learning and on LLMs
✓One email when a new one lands, off by default in one click
✓Cancel any time; you keep reading to the end of the month

first — it takes ten seconds.

No card is asked for yet — the subscription is recorded and really opens your account. See all plans →