See the uptime of Cal.com
Jun 23, 2025
Resolved
Jun 23, 2025 15:30 (UTC)
This has been resolved. Service is back to normal.
Investigating
Jun 23, 2025 14:13 (UTC)
We are again seeing some calls to Google Calendar APIs failing which will impact events being created and removed. We are urgently investigating.
Jun 11, 2025 15:24 (UTC)
We have confirmed the fix brings systems back to normal.
Monitoring
Jun 11, 2025 14:41 (UTC)
We identified what was causing requests to Google Calendar to fail and are monitoring to verify systems are back to normal.
Jun 11, 2025 14:28 (UTC)
We are seeing a small % of failing requests to modify calendar events on Google Calendar.
Jun 20, 2025
Jun 20, 2025 13:41 (UTC)
Systems are back to normal.
Jun 20, 2025 13:14 (UTC)
We have found the root cause and have a fix in place. We will continue to monitor to ensure all systems are back.
Jun 20, 2025 12:44 (UTC)
We large spike in traffic has caused stress on our database. We are investigating urgently.
Apr 23, 2025
Apr 23, 2025 16:52 (UTC)
We have found and fixed the root cause of these issues.
Identified
Apr 23, 2025 12:26 (UTC)
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
Mar 24, 2025 02:00 (UTC)
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
Feb 18, 2025 15:21 (UTC)
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
Feb 04, 2025 12:50 (UTC)
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
Apr 14, 2024 17:03 (UTC)
We are currently performing planned maintenance. Cal.com will be back up and running shortly.
Mar 12, 2024
Mar 12, 2024 18:17 (UTC)
Problem has been solved.
Mar 12, 2024 18:07 (UTC)
We are currently investigating an issue with our database causing slowness of the system.
Feb 03, 2024
Feb 03, 2024 21:33 (UTC)
We've successfully managed to fight off this attack and are recovering systems.
Feb 03, 2024 21:05 (UTC)
We have identified a coordinated DDOS attack and failed SQL injection attempts from German IP addresses
Feb 03, 2024 20:55 (UTC)
We are not excluding a third-party coordinated attack. Experiencing unusual activity on some serverless actions
Feb 03, 2024 20:50 (UTC)
We are currently experiencing severe slowness on multiple endpoints