Always watching. Never blinking.

Your uptime,
defended with
brute force.

HTTP, ping, port and keyword checks on intervals as low as 30 seconds. Email & Slack alerts, Prometheus metrics export, beautiful public status pages.
Start free. Scale when you need.

Start for Free See Pricing

Free tier

10 monitors forever

30s intervals

Fastest checks

Prometheus

Metrics export

UptimeJack — live checks

[00:00:01]api.example.com — HTTP 200 42ms

[00:00:03]db.internal — PING OK 8ms

[00:00:07]cdn.service.io — TIMEOUT!

[00:00:08]🔔 Alert sent → Slack #ops

[00:00:12]shop.myapp.com — HTTP 200 91ms

[00:00:15]smtp.mailer.net — PORT 587 OK

[00:00:18]█_

What we monitor

Four ways to catch every outage

Configure the check type that fits your infrastructure. Mix and match across all your monitors.

HTTP / HTTPS

Check status codes, response times and TLS certificates for any web endpoint.

200 OK

Keyword

Verify that a specific word or phrase is present — or absent — in the page body.

contains "online"

Ping (ICMP)

Low-level reachability check for any host. Ideal for servers, routers and IoT devices.

8ms RTT

TCP Port

Check any TCP port — databases, mail servers, custom services, SSH, Redis, and more.

:5432 open

Everything you need

Built for teams who take uptime seriously

No fluff, no feature bloat. Every tool in UptimeJack is there for one reason: you find out about outages before your users do.

Instant Alerts

Email alerts out of the box. Add Slack notifications as a paid add-on and get outage pings straight to your #ops channel.

Public Status Pages

Share a beautiful read-only status page with your customers. No login required. Auto-updates with real-time data.

Prometheus Metrics

Expose monitor data via a private /metrics/{token} endpoint. Plug straight into Grafana and your existing observability stack.

Beautiful Dashboard

Response time charts, uptime history, incident logs, and group management — all in one clean, dark-mode-ready interface.

Two-Factor Auth

Protect your account with TOTP two-factor authentication compatible with any standard authenticator app.

REST API

Manage monitors, groups and check history programmatically. Full CRUD API with JSON auth tokens.

Dead simple

Up and running in 3 steps

Create an account

Add your monitors

Enter a URL, host, or IP. Pick the check type and interval. Done.

Get alerted instantly

UptimeJack starts watching immediately and fires an alert the moment anything goes down.

Pricing

Pay only for what you use

Configure your plan below and get redirected straight to registration.

Free Always Free

10 monitors • 5 min interval • Email alerts • Public status page

$0 / month

Start Free — No Credit Card

Custom Plan Build Your Own

$5.99 / month

Number of Monitors 10

10500100015002000

Check Interval 5 min

SMS Alerts / month None

Annual billing SAVE 22%

Prometheus metrics export

Expose /metrics/{token} for Grafana

+ $4.20/mo

Slack notifications

Instant alerts in your Slack channel