Mailgun experienced a major incident on March 19, 2026 affecting API, lasting 10m. The incident has been resolved; the full update timeline is below.
Affected components
API
Update timeline
- identified Mar 19, 2026, 06:43 PM UTC
Some requests may be incorrectly failing with 401 error codes in our US region.
- resolved Mar 19, 2026, 06:53 PM UTC
A fix has been deployed and systems are back to normal.