# Fly.io: High number of 5XX on the Machines API and dashboard

- Impact (vendor’s label): critical
- Status: resolved
- Started: 2026-07-20 07:10 UTC · Resolved: 2026-07-20 17:09 UTC · Duration: 10.0 h
- Updates: 8 · Affected components: Machines API, Machines API, Machines API, Machines API, Dashboard, Dashboard, Dashboard, Dashboard
- [Vendor status page: https://status.flyio.net/incidents/01KZSP4DF5HC998EFY983WW5HE](https://status.flyio.net/incidents/01KZSP4DF5HC998EFY983WW5HE)
- [Company: Fly.io](https://rewindex.com/company/fly-io.md)

## Summary

Fly.io reported a critical outage with high numbers of 5XX errors on the Machines API and dashboard, starting 2026-07-20 07:10 UTC and resolved at 2026-07-20 17:09 UTC after 9 h 59 min. A fix was implemented; some Managed Postgres v1 clusters were also degraded, while existing machines and Managed Postgres v2 were unaffected. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-07-20 07:10 UTC: Existing machines are unaffected. We are investigating the issue.
- **investigating** 2026-07-20 07:48 UTC: We are continuing to investigate this issue.
- **identified** 2026-07-20 07:51 UTC: We've identified an internal service providing authentication to our Machines API has failed, our team is currently looking at our options for restoring this service. Existing Machines/Apps will continue to run as normal. Thank you for your patience.
- **identified** 2026-07-20 07:52 UTC: We've identified an internal service providing authentication to our Machines API has failed, our team is currently looking at our options for restoring this service. Existing Machines/Apps will continue to run as normal. Thank you for your patience.
- **monitoring** 2026-07-20 08:02 UTC: A fix has been implemented and we are monitoring the results.
- **monitoring** 2026-07-20 09:14 UTC: Some Managed Postgres v1 clusters are degraded. We are working on fixing them. Managed Postgres v2 is unaffected.
- **monitoring** 2026-07-20 13:34 UTC: We are still working on fixing degraded Managed Postgres clusters.
- **resolved** 2026-07-20 17:09 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2026-07-20 07:10 UTC: [Critical incident: High number of 5XX on the Machines API and dashboard](https://rewindex.com/change/ic945dc60e06d18.md)


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Canonical: https://rewindex.com/company/fly-io/incidents/01KZSP4DF5HC998EFY983WW5HE · Markdown: https://rewindex.com/company/fly-io/incidents/01KZSP4DF5HC998EFY983WW5HE.md · JSON: https://rewindex.com/api/v1/companies/fly-io/incidents/01KZSP4DF5HC998EFY983WW5HE · Generated 2026-10-18T11:40:56.874Z