Cal.com
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  • Monitors

America/Toronto

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Cal.com

See the uptime of Cal.com

Aug 20, 2025

We are experiencing a major degradation of service across the app

  • App

Resolved

Our downstream provided resolved the issue triggering this. Service has been restored.

Identified

One of our downstream providers has informed us they are fixing an issue and it will be addressed within the next few minutes.

Investigating

Jun 23, 2025

Some requests to Google Calendar failing

    Resolved

    This has been resolved. Service is back to normal.

    Investigating

    We are again seeing some calls to Google Calendar APIs failing which will impact events being created and removed. We are urgently investigating.

    Resolved

    We have confirmed the fix brings systems back to normal.

    Monitoring

    We identified what was causing requests to Google Calendar to fail and are monitoring to verify systems are back to normal.

    Investigating

    We are seeing a small % of failing requests to modify calendar events on Google Calendar.

    Jun 20, 2025

    We are experiencing some downtime due to database issues.

      Resolved

      Systems are back to normal.

      Monitoring

      We have found the root cause and have a fix in place. We will continue to monitor to ensure all systems are back.

      Investigating

      We large spike in traffic has caused stress on our database. We are investigating urgently.

      Apr 23, 2025

      Database issues causing 500s

        Resolved

        We have found and fixed the root cause of these issues.

        Identified

        We are seeing 500s happening on both the web app and API due to a database overload issue. We are actively investigating and will provide updates as soon as possible.

        Mar 24, 2025

        Brief Booking Page downtime (404 Error)

          Resolved

          Due to a faulty deployment, for a brief moment at 11pm EST the booking pages returned a 404 error for about 15 minutes. This was quickly resolved.

          Feb 18, 2025

          DDOS Database error (code 500)

            Resolved

            We got hit by an uncaught DDOS which temporarily broke the application and threw a 500 error and experienced a downtime of 2 minutes.

            Feb 04, 2025

            Emails not being sent.

              Resolved

              Emails are currently not being sent due to a false positive restriction in our Twilio Sendgrid account. The restriction is being lifted.

              Apr 14, 2024

              Planned Maintenance

                Identified

                We are currently performing planned maintenance. Cal.com will be back up and running shortly.

                Mar 12, 2024

                We are currently investigating issues with our database.

                  Resolved

                  Problem has been solved.

                  Investigating

                  We are currently investigating an issue with our database causing slowness of the system.

                  Feb 03, 2024

                  slowness of several endpoints

                  • App

                  Resolved

                  We've successfully managed to fight off this attack and are recovering systems.

                  Identified

                  We have identified a coordinated DDOS attack and failed SQL injection attempts from German IP addresses

                  Identified

                  We are not excluding a third-party coordinated attack. Experiencing unusual activity on some serverless actions

                  Identified

                  We are currently experiencing severe slowness on multiple endpoints