Deep dives into webhook engineering, cost analysis, architectural patterns, and practical guides from the team building GetHook.
Capacity planning, database indexes, worker concurrency, connection pooling, and the exact architectural decisions we made to handle 1M+ daily events on a Postgres-based stack.
A practical guide to setting up webhook infrastructure at each stage of startup growth — from MVP to Series A to scale — with architecture diagrams and cost benchmarks.
How HMAC-SHA256 signing works, why timing-safe comparison matters, how AES-256-GCM protects your secrets at rest, and the exact security model GetHook uses in production.
We compare GetHook, Hookdeck, and Svix across pricing, features, deployment model, and developer experience — so you can pick the right webhook infrastructure for your stack.
We use PostgreSQL as GetHook's delivery queue using FOR UPDATE SKIP LOCKED. Here's why this pattern is underrated, when it breaks down, and the exact schema we use in production.
Engineering time, database storage, bandwidth, uptime SLAs, on-call rotations — we break down exactly what it costs to build and maintain webhook delivery in-house vs. using GetHook.
Why naive retry loops cause outages, how exponential backoff with jitter prevents thundering herds, and the exact retry schedule GetHook uses for webhook delivery.
Network timeouts, database write failures, ephemeral server restarts — we analyze the 7 most common causes of webhook delivery failure and the engineering patterns that fix them.
Lost payment events, stalled order fulfillment, broken CI/CD pipelines — we quantify the real business cost of webhook delivery failures and how often they happen.
From the basics of HTTP callbacks to HMAC verification, retry logic, and fan-out routing — everything you need to know to build reliable webhook integrations.
Step-by-step: set up Stripe webhooks locally with the Stripe CLI, implement HMAC-SHA256 verification, handle all critical payment events, and achieve 99.9% delivery reliability.
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