Honest uptime monitoring that never cries wolf.
Monitor your websites, APIs, and endpoints. Every alert is confirmed before it reaches you, and every check is timed to the millisecond.
90 days · 99.98% uptime · checked from multiple regions
Everything you need to know it's up
One tool for uptime, performance, and alerting — priced so you can watch everything that matters.
Websites & APIs
HTTP checks with keyword, JSON-path, and status assertions. Auth, headers, and request bodies included.
SSL & domains
Certificate and domain-expiry warnings before they bite — with the exact days remaining.
Ping, port & cron
TCP, ICMP, and heartbeat monitoring for the jobs and services HTTP can't reach.
Confirmed alerts
Every failure is retried and confirmed before we page you. No 3 a.m. false alarms.
Signed webhooks
HMAC-signed, retried, and logged — Stripe-quality webhooks you can actually debug.
Every channel
Email, Slack, Discord, SMS, and webhooks. On every paid plan. No credit systems.
Ready in two minutes
Paste a URL, run a live test check, and you're monitoring. No credit card, no sales call.
Create your first monitor