Set Up Webhook Tech Stack Changes Alerts via API

Polling an API on a timer to check whether a website changed its tech stack is wasteful. You burn requests checking domains that have not changed, and you miss changes that happen between your polling intervals. Webhooks solve both problems: DetectZeStack monitors domains on a schedule and pushes notifications to your server only when something actually changes. This guide walks through the full webhook lifecycle: creating a subscription, enabling scheduled monitoring, verifying HMAC-signed payl