Posts tagged with reliability.
Rate limits are a two-sided problem in webhook systems. Here's how to handle 429s as a sender and protect your endpoint as a receiver, with practical patterns and code.
Retries handle transient failures. Dead letter queues handle everything else. How to build a DLQ that stores, alerts on, and replays failed webhook events.
Webhook signature verification in plain terms: how HMAC-SHA256 works, a 10-line implementation, and the three mistakes that break it silently.
Practical observability for webhook systems. Which metrics to monitor, how to structure logs, exact alert thresholds, and debugging patterns that catch 80% of production issues.
A practical, empowering checklist to prevent duplicate side effects and keep webhook consumers safe in production.
Retries help, but they are only one part of webhook reliability.