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ZTB API Service Issues in AMER (ZTB-US-M4) Cloud - ztb-us-m4

Minor Impact Resolved Duration: 1h 7m October 5, 2026
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Current answer

Zscaler experienced a minor incident: ZTB API Service Issues in AMER (ZTB-US-M4) Cloud - ztb-us-m4. Resolved on Oct 5, 2026.

Official Zscaler status page Current Zscaler status Provider update:

Provider-reported start: . Notice published: .

Provider-reported impact end: . Later provider updates may confirm recovery after customer impact has ended.

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Incident Timeline

Resolved
Following the actions previously taken by Zscaler, the incident has been resolved.

Root Cause: Preliminary root cause is attributed to an internal backend infrastructure issue, which has since been fully resolved.
Following the actions previously taken by Zscaler, the incident has been resolved.
Oct 7, 2026 at 5:55 AM UTC
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