# Mailgun: Intermittent API Errors

- Impact (vendor’s label): critical
- Status: resolved
- Started: 2025-05-14 18:38 UTC · Resolved: 2025-05-14 22:18 UTC · Duration: 3.7 h
- Updates: 8 · Affected components: API, Email Services - API, Deliverability Services - Email Validation, Email Validation, Email Services - SMTP, SMTP, Control Panel, Customer Tools - Control Panel
- [Vendor status page: https://stspg.io/xb5rb7hwdrgx](https://stspg.io/xb5rb7hwdrgx)
- [Company: Mailgun](https://rewindex.com/company/mailgun.md)

## Summary

Mailgun reported critical intermittent API errors affecting API, Control Panel, Email Validation and SMTP, starting 2025-05-14 18:38 UTC and resolving 2025-05-14 22:18 UTC after 3 h 40 min. Mailgun identified a routing issue in its internal service mesh and deployed a fix. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2025-05-14 18:38 UTC: We are currently investigating this issue.
- **investigating** 2025-05-14 18:48 UTC: We are continuing to investigate this issue.
- **investigating** 2025-05-14 19:12 UTC: We are continuing to investigate this issue.
- **investigating** 2025-05-14 20:41 UTC: We are continuing to investigate this issue.
- **investigating** 2025-05-14 21:08 UTC: We are continuing to investigate this issue.
- **identified** 2025-05-14 21:32 UTC: We identified a routing issue in our internal service mesh. We are attempting to roll out a fix.
- **monitoring** 2025-05-14 22:03 UTC: A fix has been deployed and we are monitoring.
- **resolved** 2025-05-14 22:18 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2025-05-14 18:38 UTC: [Critical incident: Intermittent API Errors](https://rewindex.com/change/i9c3a65834d1291.md)


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Canonical: https://rewindex.com/company/mailgun/incidents/qj5y3klf3fr6 · Markdown: https://rewindex.com/company/mailgun/incidents/qj5y3klf3fr6.md · JSON: https://rewindex.com/api/v1/companies/mailgun/incidents/qj5y3klf3fr6 · Generated 2026-10-18T11:46:09.525Z