ShipEngine experienced a major incident on June 11, 2026 affecting UPS US, lasting 1h 10m. The incident has been resolved; the full update timeline is below.
Affected components
UPS US
Update timeline
- investigating Jun 11, 2026, 09:15 PM UTC
We have observed a high frequency of errors returned while attempting to perform various functions with UPS accounts such as rating and label creation. While the error rate is elevated, it is not universally impacting all UPS accounts similarly. The following error is returned: A shipping carrier error occurred: Invalid Authentication Information The cause of this issue is being investigated.
- monitoring Jun 11, 2026, 09:48 PM UTC
The service provider has confirmed a restoration of functionality. Error rates have begun to fall. We are continuing to monitor to ensure a full recovery.
- resolved Jun 11, 2026, 10:25 PM UTC
This incident has been resolved.