Know the moment
your site goes down

Simple, reliable uptime monitoring for websites and APIs. Get instant alerts via email, Slack, Discord, Telegram, or webhook when something breaks.

No credit card required. Free plan includes 10 monitors with all 6 check types.

Everything you need to stay online

Monitor your websites, APIs, and services from multiple locations around the world.

6 monitor types. 19 built-in checks.

HTTP, SSL, DNS, TCP, Heartbeat, and Domain Expiry. Each monitor runs multiple checks per request — status codes, content, JSON fields, expiry dates, and more.

Instant alerts, your way

Email, Slack, Discord, Telegram, and webhooks — all free on every plan. SMS available on paid plans.

Failure verification

Every failure is verified from an independent probe before alerting. No false positives from transient network blips.

Global monitoring

Check from multiple locations worldwide. Detect regional outages before your users notice.

Status pages (coming soon)

Share real-time uptime with your customers. Every plan will include at least one public status page.

REST API

Full API access on every plan. Automate monitor management, query check history, and integrate with your workflow.

Simple, transparent pricing

Start free, upgrade when you need more.

Free

For personal projects and getting started

$0 /month

  • 10 monitors
  • 5-minute checks
  • Email, Slack, Discord, Telegram & webhook alerts
  • 1 status page (coming soon)
  • 7-day data retention
Get started free

Starter

For freelancers and small teams

$9 /month

  • 50 monitors
  • 1-minute checks
  • All free alerts + SMS (10/mo)
  • 3 status pages, 3 team members (coming soon)
  • 30-day data retention
Start free trial
Most popular

Pro

For growing businesses

$19 /month

  • 200 monitors
  • 30-second checks
  • Unlimited SMS alerts
  • 10 status pages, 10 team members (coming soon)
  • 90-day data retention
Start free trial

Business

For agencies and enterprises

$49 /month

  • 500 monitors
  • 30-second checks
  • All alert channels, unlimited SMS
  • 25 status pages, 25 team members (coming soon)
  • 1-year data retention
Start free trial

Ready to stop worrying about downtime?

Set up your first monitor in 30 seconds. No credit card required.