Best Uptime Monitoring Tools in 2026
Monitor your website and API uptime 24/7.
13 tools reviewed - last updated April 2026
All-in-one uptime monitoring with incident management
AI-powered synthetic monitoring embedded in the full Datadog observability stack
Developer-first API and E2E monitoring with Playwright and monitoring-as-code
Full-stack observability platform with powerful synthetic monitoring and a free tier
Open-source-powered observability with Prometheus, Loki, Tempo, and synthetic monitoring
Free uptime monitoring with 50 free monitors
Enterprise-grade uptime monitoring with global probe network and SLA tracking
Developer-friendly uptime monitoring with broken links, certificates, and performance checks
All-in-one monitoring for websites, servers, networks, and cloud infrastructure
Enterprise-grade website performance and uptime monitoring by SolarWinds
Uptime, performance, and domain monitoring for your websites
Affordable uptime and blacklist monitoring with white-label support for agencies
Free website monitoring with 1-minute checks and instant multi-channel alerts