# Statsig: Critical incident: All US-West Requests Failing

**Summary:** Statsig reported a critical US-West outage affecting configuration APIs for SDK initialization, background syncing, and the Console API. It started at 2025-10-23 00:10 UTC and was resolved at 2025-10-23 00:35 UTC, lasting 25 min; a networking change routed requests to an incorrect backend, causing exceptions, and Statsig addressed the change. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-10-23 00:10 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/0klrjmpn02qz](https://stspg.io/0klrjmpn02qz)
- [Company: Statsig](https://rewindex.com/company/statsig.md)
- Versions: before (none: first archived) → after incident\_version:208/qwllz1sx09kb@484077e34f42
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ All US-West Requests Failing
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-10-23 00:10 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-10-23 00:35 UTC
```

**6. Added: Affected components**

```diff
+ Config Delivery API - US West 1, Console API, US West 1
```

**7. Added: Update** (investigating) · 2025-10-23 00:10 UTC

```diff
+ Starting at 5:10PM PST, a networking change was made which caused an outage of all endpoints going to our US-West region to route to the incorrect backend causing exceptions, such as filter abort/RBAC denied. The team has addressed the networking change, and the US-West region should be fully recovered as of 5:35PM. Only configuration APIs for SDK initialization, background syncing, and console API was impacted. All other APIs are confirmed healthy during this incident. Mitigated: 10/22/2025 5:40 PM PST
```

**8. Added: Update** (resolved) · 2025-10-23 00:35 UTC

```diff
+ Resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-10-23 00:10 UTC | Critical incident: All US-West Requests Failing (this change) | outage |

All Statsig changes: [timeline](https://rewindex.com/company/statsig/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


---
Canonical: https://rewindex.com/change/iec5dc8868cd703 · Markdown: https://rewindex.com/change/iec5dc8868cd703.md · JSON: https://rewindex.com/api/v1/changes/iec5dc8868cd703 · Generated 2026-10-18T02:55:38.737Z