Increased error rates for some Google calendar sync operations

Incident Report for Cronofy

Resolved

Google has closed their incident and we've seen error rates remain low so are likewise marking this as resolved now.

Posted Mar 13, 2026 - 15:18 UTC

Monitoring

Google have identified an issue within their infrastructure which they're tracking at https://www.google.com/appsstatus/dashboard/incidents/KamjizntSiNtRETcBL2Q

From our side, we're now seeing very low enough error rates that we don't think that users will experience any noticeable negative impact.

We'll keep watching Google's incident until it's fully resolved.

Posted Mar 13, 2026 - 14:55 UTC

Update

We are seeing signs of improvement from Google's side -- error rates have improved a great deal but are not yet quite back to normal levels. We continue to monitor the situation.

Posted Mar 13, 2026 - 13:54 UTC

Investigating

We've seen that Google's API is returning an increased number of 503 errors when we attempt to sync calendars. This is affecting a small percentage of calendars, and some users may see delayed calendar syncs as a result. We're continuing to monitor and investigate.

Posted Mar 13, 2026 - 13:29 UTC

This incident affected: Major Calendar Providers (Google).