Add Webhooks to Your SaaS in 10 Minutes (Without Queues or Retries)

TL;DR — One API call subscribes a customer endpoint. Centrali signs each delivery with HMAC-SHA256, retries 5 times over ~40 minutes on failure, logs every attempt, and exposes a one-line replay endpoint. No queue. No retry logic. No Svix. The whole subscribe call is right below — scroll to it if you just want the shape. Your customers want webhooks. You know the checklist: A queue so user requests don't block on HTTPS calls to third-party servers HMAC signing so customers can verify the request