Website Uptime Monitoring — Checks Every 1 to 5 Minutes

AlertsDown combines HTTP/HTTPS uptime checks, SSL certificate tracking, and plan-based notification workflows. Monitor public landing pages, API endpoints, and payment-flow URLs from a single dashboard.

Everything you need to stay ahead of downtime

  • 1–5 minute minimums depending on your plan
  • Plan-based alerts via email, SMS, Telegram, WhatsApp, and webhook
  • SSL expiry tracking for HTTPS monitors
  • Response history with status codes and response times

Why teams trust AlertsDown for proactive reliability

Unified visibility

Review monitored websites and public API endpoints from one dashboard, with status and response-time history for each URL.

Actionable alerts

Send context-rich downtime alerts with runbook links, response time diffs, and escalation paths personalized per channel.

Automation ready

Paid plans can POST downtime events to webhook endpoints for routing into your own incident workflows.

Ship every deploy with confidence

Spin up monitors in minutes, invite teammates, and watch real-time dashboards that highlight regressions before customers submit a ticket.

See how teams use AlertsDown in real-world uptime monitoring use cases.

Website Monitoring FAQ

Answers to the questions buyers ask before rolling out uptime coverage across their stack.

How often does AlertsDown check my website?

Free Builders supports checks every 5 minutes. Indie Builders and Saas Builders support 1-minute minimum intervals, and each monitor can use a longer interval up to 60 minutes.

Can I monitor APIs, landing pages, and checkout flows together?

Yes. Group monitors by project, tag critical flows, and receive consolidated incident views that show which endpoints or pages are affected.

What happens when an outage is detected?

AlertsDown records the failed check and sends alerts through the channels enabled by your plan and monitor configuration.