Service levels

Availability target and support response times

For Pro, Business and MSP: the availability target we aim for, how we measure it, and how quickly we respond to support tickets. Free and Hobby are not covered. These are targets, not a service level agreement.

Who this applies to

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99.99% availability target

For Pro, Business and MSP, we aim for 99.99% monthly availability of the monitoring service, which allows for about four minutes of unplanned downtime in a month. This is a target, not a guarantee.

What available means

How we support it

Monitoring runs on two independent clouds, both active, across four regions, each served from more than one datacentre. A failure at one provider or datacentre does not stop your checks or your alerts. Read about our reliability design.

How we report it

Our status page shows current and historical availability. It is hosted separately from the application so that it remains reachable during an incident.

Not counted against the target

Support response times

Support tickets are included with Pro, Business and MSP, and every request that should carry a response time must be submitted as a ticket from your account. Choose the severity that matches the situation, and a member of our team replies within the target for that level. The clock starts when the ticket is opened.

Sev A is reserved for emergencies. Only use in an emergency: the service is down for all or most of your users, or you suspect a security breach. A Sev A ticket pages our on-call engineer.

How response times are measured

Not a service level agreement

This page describes the standards we hold ourselves to for Pro, Business and MSP. It is not a service level agreement. It creates no credits or refunds, does not promise a resolution time, and does not change the Terms of Use, which govern the service. If we miss a target on your ticket, let us know on the ticket and we will explain what happened.

How to open a ticket

In your account, go to Settings, then Support, and choose New ticket. Include the monitor affected, what you expected, what happened, and when it started. What to include.