Overwatch
Monitor websites, APIs, cron jobs, and services — then publish a status page your customers can trust. Get alerted the moment something goes wrong.
No credit card · 14-day trial · open source core
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Capabilities
Powered by open source. self-host for free or use the managed cloud.
HTTP, HTTPS, TCP, TLS, and DNS checks on intervals down to one minute.
Heartbeat monitoring for scheduled tasks. Know if your cron jobs fail or run late.
Track SSL certificate expiration. Get warned days before your certs expire.
Flexible webhook integrations. Trigger custom workflows on status changes.
Publish a public status page from your monitors. Brand it on Pro.
Slack, Discord, Microsoft Teams, email, and generic webhooks. Your choice.
Overwatch pings an endpoint, detects a failure, and fires an alert. Change the hostname and run it again anytime.
Press Run check to watch Overwatch ping the host, catch a failure, and send an alert.
Live dashboard
Integrations
Pricing
Self-hosted. TUI with simple config, yours to run.
Includes
Hosted monitoring for small projects and side hustles.
Includes
For teams running production infrastructure.
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For organizations with compliance and scale needs.
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From the blog
Slack is where your team already works. Connect your uptime monitor with a webhook, route critical alerts to the right channels, and test delivery before the first 2am page.
Uptime checks prove your server responds. DNS monitoring proves traffic still routes to that server. Monitor A, MX, NS, and TXT records so hijacks and misconfigurations surface before users notice.
Your uptime monitor says everything is up, but pages load in 8 seconds. Degraded performance is the gap between a passing HTTP check and a good user experience.