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Service impact: Increased API Error Rates

ResolvedmajorUnverified reportFirst recorded update Sep 3, 2026, 09:49 PM · Resolved Sep 5, 2026, 12:00 AM

Starting at 2:12 PM PDT, we began experiencing increased API error rates for STS and Sign In when using SAML in the US-WEST-2 Region. Our engineering team was automatically engaged at 2:19 PM to begin investigating the root cause. There is no work around available at this time. We will provide another update by 3:30 PM PDT.

What visitors reported during this incident

No visitor reports were filed for this incident.

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Timeline

No vendor updates were captured for this incident before it was resolved.

What to do next

  • Verify your own services recovered cleanly. Some upstream outages leave queues or caches in a degraded state, run smoke tests before declaring green internally.
  • Save the post-mortem. Vendors usually publish a detailed RCA 1-3 days later. We'll add it to this page when it appears.
  • Watch the provider going forward. Follow Amazon Web Services's status feed →

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