Major incident

mailgun: Elevated 401 errors in US Region

Affected: API

Current status of mailgun: Operational — live mailgun status

Timeline

1. Mar 19, 2026, 18:43 UTC
   identified
   Some requests may be incorrectly failing with 401 error codes in our US region.
2. Mar 19, 2026, 18:53 UTC
   resolved
   A fix has been deployed and systems are back to normal.

Updates as published by mailgun (original).