All systems operational

Know when your site
goes down. Instantly.

Monitor uptime, track response times, and alert your team in seconds — not minutes. Beautiful status pages your users will actually trust.

app.whistlrr.com/dashboard
api.example.com
99.98%
uptime last 30d
web.example.com
100%
uptime last 30d
db.example.com
97.2%
uptime last 30d

Everything you need to stay on top of uptime

Simple setup, powerful monitoring. No complex configuration needed.

1-minute checks

HTTP, HTTPS, and API monitoring every 60 seconds from the edge. Know about outages before your users do.

Instant alerts

Get notified via email, Slack, Discord, or webhooks the moment something goes wrong. Configurable per monitor.

Response metrics

Track response times, SSL certificate expiry, and performance trends over time with detailed charts.

Public status pages

Beautiful, branded status pages you can share with your users. 90-day uptime history at a glance.

SSL monitoring

Automatic SSL certificate expiry checks. Get warned days before your certificates expire.

Incident timeline

Automatic incident detection and resolution tracking. Full history of every outage with duration and cause.

Start monitoring in under a minute

No credit card required. Free tier includes 5 monitors with 5-minute checks.

Create your free account
Whistlrr

Uptime monitoring on the edge.