Application version detection

Goal: Detect when a deployed application changes version - useful for catching missed deployments or unexpected rollbacks.

How it works

ePulz.io reads a version string from a configured location and tracks changes:

• HTTP header - e.g. X-App-Version: 2.4.1
• JSON path - e.g. $.version in /health response
• HTML regex - e.g. version-(\d+\.\d+\.\d+) in body
• Meta tag - <meta name="app-version" content="...">

Setup

1. Monitor detail -> Version tracking
2. Pick the source type
3. Enter the selector (header name / JSON path / regex)
4. Optionally: Alert on change (versus passive logging only)

What you get

• Timeline of version changes (with timestamps)
• Optional alert email / Telegram on every change
• Filter monitors by current version (useful for fleets)