Learn about uptime monitoring, HTTP status codes, common errors, and DevOps best practices.
Learn how uptime monitoring works and why it matters for your business.
Monitor your APIs for availability, performance, and correct responses.
Simulate user interactions to catch issues before real users do.
Communicate service status to users with public status pages.
Design effective health check endpoints for your applications.
Understand the difference between uptime and availability metrics.
Your application crashed or threw an unhandled exception.
Proxy or gateway received invalid response from upstream.
Server is overloaded or down for maintenance.
Upstream server didn't respond in time.
Cloudflare couldn't connect to your origin server.
Monitor payment processing availability.
Track GitHub API status for CI/CD pipelines.
Monitor GPT and AI service availability.
Ensure your Slack integrations stay connected.
Monitor AWS service availability.
Track Vercel deployment and edge status.
Get alerts when your endpoints go down. Free tier available.
Start monitoring free →