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uptime monitoring service.

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Currently, we keep an eye on 7,570,000 monitors for more than 2,100,000 users and companies.
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  • NASA logo
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All you really care about 
monitored in one place.

Website monitoring icon

Website monitoring

Be the first to know that your website is down! Reliable monitoring warns you before any significant trouble and saves you money.

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SSL monitoring

Don't lose visitors because of an expired SSL certificate. Get notified 30, 14 and 7 days before expiration.

SSL monitoring icon

Domain expiration monitoring

Keep your online presence secure and avoid any potential damage by monitoring your domain's expiration date.

Background job monitoring icon

Cron job monitoring

Also known as heartbeat monitoring. Monitor recurring background jobs or intranet devices connected to the internet.

Port monitoring icon

Port monitoring

Is the email service still UP? How about the critical database server? Let's check! Monitor any specific service running on any port.

Port monitoring icon

Ping monitoring

Leverage one of the most used tools administrators use to check the availability of network devices.

Background job monitoring icon

Keyword monitoring

Use keyword monitoring to check presence or absence of specific text in the request's response body (typically HTML or JSON).

Advanced features for advanced users.

Share incident updates

Send status updates via email to your Status page subscribers.

White-labeled Status pages

Customize colors, add your logo or even link your custom domain.

Response time monitoring

See your response times in a chart to reveal performance hiccups.

Maintenance windows

Set up maintenance windows to prevent alarms during planned maintenance.

Custom HTTP requests

Need to set an advanced HTTP header? We've got you covered!

Multi-location checks

We verify incidents from multiple locations to prevent false-positives.

Downtime happens.
Get notified!

Downtime happens even to the best of us. But it’s important to know it before customers are affected!


Email is the most popular way for any notification. Get alerted!


Get alerted instantly by SMS, useful when you are offline!

Voice call

Get an automated voice call from us whenever your website is down.


Slack messages are a great way to inform the entire team!


Integrate your Zapier account to get alerted right away.


Telegram messages are great to get quickly alerted.


For advanced alerting you can setup custom webhooks to your specific system.


Get important monitor status updates in your Discord messages.

Microsoft Teams

Get notifications inside your MS Teams app to alert everyone in the group.
Status page screenshot

Keep monitoring everywhere you go.

Get instant notifications, manage monitors and check your uptime statistics on the go.

Status page screenshot

Inform your customers about incidents with status pages.

Be transparent. Inform customers of planned outages. Show them that you strive to keep your service 100% online.

Subusers management illustration

Add your team members to keep them notified.

You can invite all your team members to access your monitors, keep them notified and manage incidents. Choose from three levels of user access: read, write and notify-only.

G2Crowd awward: High performer summer 2020

    Flexible pricing options.

    Save ~20% with annual billing.


    $ 0 / month
    Good for hobby projects. No credit card required!
    50 monitors
    • 😐5 min. monitoring interval
    • Included HTTP, port & ping monitor
    • Included Keyword monitor
    • Not inncluded / Not available SSL & Domain exp. monitor
    • 😐Only 5 integrations
    • 😐Basic status pages
    • Notify seats unavailable
    • No login seats available


    $ 8 7 / month
    Great for solopreneurs and hobbyists.
    • 60 sec. monitoring interval
    • HTTP, port & ping monitor
    • Included Keyword monitor
    • SSL & Domain exp. monitor
    • πŸ™‚Only 9 integrations
    • 😐Basic status pages
    • No login seats available


    $ 64 54 / month
    For those who just need more.

    • 30 sec. monitoring interval
    • HTTP, port & ping monitor
    • Included Keyword monitor
    • SSL & Domain exp. monitor
    • All 12 integrations
    • Full-featured status pages

    Get your FREE account now,
    50 monitors included!

    Start monitoring in 30 seconds
    No credit card required!
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