UptimeRobot
Pings your site, API or port on a schedule and alerts you when it goes down. Includes a basic public status page.
Free tier
- 50 monitors at a 5-minute interval
- HTTP, keyword, ping and port monitors
- 1 basic status page; allowed for personal and commercial projects
Best for
The first alert every launched app should have.
Watch out: Free checks run every 5 minutes, and the free plan has only 5 integrations and no login seats.
Related fix guides
Sources
Checked on 2026-11-11. Vendors change pricing often, so confirm on the official page before you commit.