Codat experienced a major incident on March 6, 2026 affecting QuickBooks Online and QuickBooks Online and 1 more component, lasting 4h 27m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Mar 06, 2026, 10:26 AM UTC
We are actively investigating an issue preventing users from pushing attachments to Quickbooks Online Sandbox. Affected users will notice that they receive a 400 error response when attempting to push attachments to Quickbooks Online Sandbox. This incident will be updated as soon as we have identified the issue, and no later than 11.30AM GMT.
- monitoring Mar 06, 2026, 10:38 AM UTC
We have implemented a fix in production. Affected users should now notice that they're able to push attachments to QBO Sandbox. Our teams continue to monitor the platform to ensure continued stability. If you experience any issues please contact [email protected] for further assistance.
- resolved Mar 06, 2026, 02:53 PM UTC
The incident has now been resolved, ongoing monitoring has shown the platform has returned to normal stability. All users previously affected should be able to push attachments to QBO Sandbox without disruption. If you are still affected by this issue, please contact [email protected]