Heartbeat monitoring flips the model: instead of Uptrue pinging your service, your service pings Uptrue. If Uptrue doesn't hear from your cron job or task within the expected interval, it fires an alert.
⚙️How it works
Uptrue gives you a unique ping URL. Your scheduled jobs call this URL on success. If a check-in is missed within your configured window, an incident opens.
✓What Uptrue checks
- Ping received within expected interval
- Consistent heartbeat rhythm
⚠Alert conditions
- No heartbeat received within grace period after expected time
Why this matters
Cron jobs fail silently. Log rotation jobs, backup scripts, payment processors — if they stop running, you may not know for days. Heartbeat monitoring catches the absence of expected events.
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?Frequently asked questions
How do I send a heartbeat?
A simple HTTP GET to your unique Uptrue ping URL. One line in your cron job.
What's the grace period?
Configurable. If your job runs every hour, you might set a 15-minute grace period to allow for normal variation.
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