How to Monitor API Uptime

Learn how to monitor API uptime with our free tool. Track availability, response times, and get alerts when your API goes down.

API uptime monitoring checks whether your API is reachable and responding correctly. Set up periodic health checks that verify your API returns a successful status code. Our <a href="/uptime-monitor">free uptime monitor</a> tracks availability, response time, and incident history. Monitor from multiple regions, set up alerts for downtime, and track uptime percentage over 30/60/90 day periods.

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Test your API performance instantly with our free tool. No registration required.

Millisecond-precision response times
DNS lookup & TTFB analysis
Support for all HTTP methods
Custom headers & body payloads
SSL certificate validation
Export results as JSON/CSV

Frequently Asked Questions

How do I monitor API uptime?

Use our <a href="/uptime-monitor">free API uptime monitor</a>. Add your endpoint URL, set check interval, and get real-time status updates.

What is a good API uptime percentage?

99.9% (about 8.7 hours downtime per year) is standard. 99.99% (53 minutes per year) is excellent.

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