
Monitor Everything. Miss Nothing.
Real-time website, server, and API monitoring. Get instant alerts when something goes down. Start free with no credit card — built and maintained by TESS.
The Only Monitor You'll Ever Need
HTTP Monitoring
Monitor any website or URL. Track HTTP status codes, response times, SSL certificates, and content changes in real-time.
Server Monitoring
Keep tabs on your servers with ping checks, port monitoring, CPU load tracking, disk usage alerts, and log file monitoring.
API Monitoring
Validate your API endpoints with multi-method support, custom headers, JSON response assertions, and status code verification.
Multi-Channel Notifications
Send alerts via Email, Slack, Discord, SMS, or WhatsApp. Organize contacts into groups and configure per-monitor notification rules.
SSL Monitoring
Track SSL certificate expiry dates and get notified before certificates expire and cause downtime.
Content Monitoring
Detect unexpected changes to your web pages. Get alerted when content is modified or defaced.
Up and Running in Minutes
Create Your Account
Sign up for free — no credit card needed. Get started instantly with our generous free tier.
Add Your Monitors
Add websites, servers, or API endpoints. Configure check intervals, thresholds, and alert preferences.
Get Instant Alerts
Receive immediate notifications the moment something goes wrong via Discord, webhooks, or any channel.
Enterprise-Grade Capabilities
Response Time Tracking
Monitor response times and identify performance degradation before it impacts your users.
Log Monitoring
Track server log files for errors and anomalies. Get notified when new errors appear in your logs.
Join Teams Who Trust Watchling
Keep your infrastructure running 24/7 with the #1 free uptime monitor — built by the engineering team at TESS.
Built & Maintained by TESS