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Uptime monitor

Watch your websites and APIs: alerts when they go down and come back, response times, certificate warnings and a public status page.

Watch an address

1Choose Watch an address and paste it, such as https://yourshop.com. It is checked straight away, then on the schedule you pick.
2Under More, add a word the page must contain to catch pages that load but show an error, an exact code to expect from an API, and how many failed checks in a row count as down.
3You are always emailed. Add more addresses, or a Slack, Discord or Teams webhook, to tell others.

1After the failed checks you chose, you get one alert saying what went wrong, then another when it answers again, with how long it was down.
2The monitor shows uptime over a day, a week and a month, a chart of response times for the last day (move along it, or use the arrow keys, for each check), and every stretch of downtime.
3Check now runs a check at once. Pause stops checks and alerts, for example during planned work.
4For https addresses the security certificate is read twice a day, and you are warned two weeks before it ends.

1Under Status pages, give a title and choose the monitors to show, then share the link with customers.
2It shows whether each one is working now and a bar for each of the last 90 days. Addresses and error details are never shown.

The Free plan watches three addresses every 5 minutes; paid plans watch more, every minute.
Only public addresses can be watched. Checks come from our servers, so a site that blocks unknown visitors may appear down.
Check history is kept for 90 days.

Stuck? Write to [email protected] and a person replies, usually within one working day.