Alert the right people through the tools you trust

Whether you're a developer, DevOps engineer, or running a business, send precise alerts through the channels your team trusts.

Integrations

Email - Any inbox; incidents and SSL notices.
Slack - Post to specific channels with recovery updates.
Discord - Fast alerts on desktop and mobile.
Mattermost - Private or public channels.
PagerDuty - Events sent with warning severity; respects schedules.
Mastodon - Private or public posts for status updates.
Pushover - Priority mobile push (iOS/Android).
Zapier - One webhook to thousands of apps.
Rocket.Chat - Simple incoming webhook to your channel.
Webhook - Signed JSON payloads to any HTTPS endpoint.
More - More coming soon.

Built for signal, not noise

Accurate detection and smart delivery keep your team focused.
Multi-location verification to avoid false positives
Instant alerts on confirmation, followed by recovery notices
Flooding protection stops repeat spam during long incidents

SSL & security coverage

Certificate checks are included with every HTTPS monitor.
Expiration alerts: 3 days prior and at expiration
Revocation, hostname, and trust chain checks
Daily validation to catch unexpected changes

Developer-first

Automate everything or extend with your own code.
REST API for uptime monitors, integrations, and data access
Sample payloads and guides in documentation

Easy setup

From zero to alerts in a few clicks.
Simple forms with copy-paste webhooks
Channel testing to validate delivery