Your site just went down. Who told you?
Monitor uptime, detect page changes, and get instant alerts. Peace of mind for SaaS founders, agencies, and e-commerce teams.
Know when your site goes down. Before your users do.
Ping intervals from 1 to 30 minutes. HTTP status, response time, and timeout detection across 6 global regions.
1-minute check intervals
Catch issues fast with frequent monitoring
Response time tracking
Monitor performance trends over time
99.9% uptime SLA
Reliable monitoring you can count on
Response Time
Last 24 hours
Avg Response
142ms
Uptime
99.98%
Checks Today
1,440
+0.02%
This month
<p>Free shipping on orders over $50</p>
<p>Free shipping on orders over $75</p>
Catch every change. Even the sneaky ones.
Monitor HTML, text, DOM structure, headers, and SEO fields. Detect hacks, broken deployments, and content edits instantly.
Text & HTML monitoring
Detect content and structural changes
Smart diff comparison
See exactly what changed with line-by-line diffs
Change history
Track all changes over time
See what your users see. Pixel by pixel.
Headless browser screenshots with before/after sliders, highlighted changes, and timeline views. See exactly what changed.
Automated screenshots
Capture your pages on a schedule
Visual diff comparison
Spot visual regressions instantly
Screenshot history
Browse through past captures
Jan 26, 10:00 AM
Jan 27, 10:00 AM
đź”´ api.example.com is DOWN
Your monitor detected that api.example.com is not responding. Last checked: 10:42 AM
ObservaMax posted in #alerts
⚠️ Content changed on pricing.example.com
âś… api.example.com is back UP
Get notified instantly. Your way.
Email, Slack, webhooks, and SMS. Debounce logic, quiet hours, and severity levels keep you informed—not spammed.
Email notifications
Detailed alerts straight to your inbox
Slack integration
Post alerts to your team channels
Webhook support
Integrate with any system via webhooks
SMS & Voice Alerts
Receive SMS texts and automated voice calls for critical incidents. Never miss a downtime event.
Discord & Telegram
Connect with Discord webhooks and Telegram bots. Get alerts wherever your team communicates.
All your monitors. One clear view.
See the status of all your endpoints at a glance with real-time updates and instant status indicators.
Main API endpoint - all systems operational
99.98%
uptime
89ms
response
Public website serving 50k+ daily visitors
99.95%
uptime
142ms
response
Slow response times detected - investigating
99.12%
uptime
892ms
response
Content delivery network - 12 regions active
100%
uptime
23ms
response
Scheduled maintenance - back online at 6 PM
94.20%
uptime
—
response
Primary PostgreSQL cluster - healthy
99.99%
uptime
12ms
response
Simple, transparent pricing
Start free, scale as you grow. No hidden fees.
Starter
For small businesses
- 5 monitors
- 10-minute check interval
- HTTP, TCP, DNS, Ping & Heartbeat
- Email alerts
- SSL certificate monitoring
- Keyword validation
- 7 days history
- Change detection
- 1 status page
Pro
For growing teams
- 25 monitors
- 1-minute check interval
- All monitor types
- Email, Slack, Discord, Telegram & SMS
- Webhook alerts (HMAC-signed)
- Multi-location checks (6 regions)
- SSL & keyword monitoring
- Screenshot monitoring
- 30 days history
- 3 status pages
- API access
- Bulk actions & tags
- SLA reports
Agency
For agencies and enterprises
- 100 monitors
- 30-second check interval
- All monitor types
- All alert channels + voice calls
- Multi-location checks (6 regions)
- SSL & keyword monitoring
- Screenshot monitoring
- 90 days history
- 10 status pages
- API access
- Bulk actions & tags
- SLA reports
- Maintenance windows
- Priority support
Ready to never miss downtime again?
Join 10,000+ teams who trust us to keep their sites running.
No credit card required • 14-day free trial