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Know when your site goes down. In seconds.

Monitor websites, APIs, and servers with 23 protocols. Get alerts via Telegram in under 2 seconds. Free forever.

23 protocols

23 protocols out of the box

HTTP, TCP, DNS, gRPC, WebSocket, SSL, WHOIS, SMTP — if it speaks a protocol, we monitor it.

  • HTTP/HTTPS, WebSocket, gRPC, TCP, UDP, ICMP
  • DNS, WHOIS, SSL certificate expiry, DNSBL
  • SMTP, IMAP, POP3, FTP/FTPS, SOCKS5, MTProxy
< 2 sec

Alerts in under 2 seconds

Downtime detected → alert sent. Telegram, Discord, Slack, MS Teams, Mattermost, Email, Webhook, Web Push.

  • Telegram, Discord, Slack, MS Teams, Mattermost
  • Email (Resend), Web Push (PWA), Webhook (JSON)
  • Per-channel cooldown, deduplication, retry with backoff
Branded

Branded status pages

Give your users a live view of service health. Custom domain, your branding, public-facing incident timeline.

  • Public uptime % with timezone-aware bars
  • Incident updates with status (investigating → resolved)
  • Subscriber email notifications + RSS feed
REST API

REST API + Webhooks

Programmatic control over every monitor, alert, and incident. Outgoing webhooks for any state change.

  • Full REST API with API-key auth (scoped per workspace)
  • Outgoing webhooks: monitor status, incidents, alerts
  • MCP server: 130+ tools for Claude Code / Cursor agents
Cron Jobs

Cron heartbeat monitoring

Your job pings PingZen on each successful run. Miss the window — get alerted within seconds.

  • Push-based: your job calls a unique URL on success
  • Configurable expected interval + grace period
  • Same alert channels as uptime monitors

Why teams choose PingZen

Why teams choose PingZen
FeaturePingZenUptimeRobotPingdom
Free Plan✅ Up to 55 monitors✅ 50 monitors❌ No free plan
Fastest Check Interval1 minute5 minutes1 minute
Telegram Alerts✅ Yes❌ No❌ No

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