# WorkOS: SSO API Latency Degradation Caused by Transient Capacity Constraints

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-04-20 19:16 UTC · Resolved: 2026-04-20 19:17 UTC · Duration: 1 min
- Updates: 2 · Affected components: AuthKit, Core Services - AuthKit, Core Services - SSO, SSO
- [Vendor status page: https://stspg.io/kmcr89gl83b8](https://stspg.io/kmcr89gl83b8)
- [Company: WorkOS](https://rewindex.com/company/workos.md)

## Summary

WorkOS reported major SSO degradation, with increased latency and intermittent timeouts between 14:40 and 14:53 UTC, caused by temporarily reduced capacity following an infrastructure event. The incident record started at 2026-04-20 19:16 UTC and resolved at 2026-04-20 19:17 UTC (1 min); SSO login performance returned to normal. _(machine-written, sol)_
## Timeline of updates

- **identified** 2026-04-20 19:16 UTC: Between 14:40 and 14:53 UTC, SSO endpoints experienced increased latency and intermittent timeouts. The issue was caused by a temporary reduction in available capacity due to an underlying infrastructure event, which led to a brief period of degraded performance
- **resolved** 2026-04-20 19:17 UTC: The issue has been resolved, and SSO login performance has returned to normal. We will continue to monitor closely to ensure stability.

## Rewindex changes for this incident

- 2026-04-20 19:16 UTC: [Major incident: SSO API Latency Degradation Caused by Transient Capacity Constraints](https://rewindex.com/change/i72652c1aab005d.md)


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Canonical: https://rewindex.com/company/workos/incidents/093zzfy1l9t9 · Markdown: https://rewindex.com/company/workos/incidents/093zzfy1l9t9.md · JSON: https://rewindex.com/api/v1/companies/workos/incidents/093zzfy1l9t9 · Generated 2026-10-18T09:40:36.682Z