# Braze: Major incident: Issue impacting US01 and US05 clusters

**Summary:** Braze reported a major degradation on US01 and US05, with increased latency and dashboard errors; other services were not impacted. The incident started at 2025-09-02 17:20 UTC and was resolved at 2025-09-02 17:45 UTC, lasting 25 min. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2025-09-02 17:20 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/942ql55f50s4](https://stspg.io/942ql55f50s4)
- [Company: Braze](https://rewindex.com/company/braze.md)
- Versions: before (none: first archived) → after incident\_version:236/zptvh1q7dpx5@5c3cc2a1cf23
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Issue impacting US01 and US05 clusters
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-09-02 17:20 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-09-02 17:45 UTC
```

**6. Added: Affected components**

```diff
+ Cloud Data-Ingestion (CDI), Currents, Dashboard, Data Processing, Outbound Messaging, REST APIs, SDK Data Collection, US 01 Cluster - Cloud Data-Ingestion (CDI), US 01 Cluster - Currents, US 01 Cluster - Dashboard, US 01 Cluster - Data Processing, US 01 Cluster - Outbound Messaging, US 01 Cluster - REST APIs, US 01 Cluster - SDK Data Collection, US 05 Cluster - Cloud Data-Ingestion (CDI), US 05 Cluster - Currents, US 05 Cluster - Dashboard, US 05 Cluster - Data Processing, US 05 Cluster - Outbound Messaging, US 05 Cluster - Rest APIs, US 05 Cluster - SDK Data Collection
```

**7. Added: Update** (identified) · 2025-09-02 17:20 UTC

```diff
+ We're investigating an issue impacting services on the US01 and US05 clusters. A further update will be provided shortly.
```

**8. Added: Update** (monitoring) · 2025-09-02 17:30 UTC

```diff
+ Between 13:08 ET to 13:21 users may have experienced an increase in latency and dashboard errors. We can confirm other services were not impacted by the issue.
```

**9. Added: Update** (resolved) · 2025-09-02 17:45 UTC

```diff
+ We can confirm this incident is resolved and no further issues have been experienced since 13:21 ET.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-09-02 17:20 UTC | Major incident: Issue impacting US01 and US05 clusters (this change) | degradation |

All Braze changes: [timeline](https://rewindex.com/company/braze/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._


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Canonical: https://rewindex.com/change/i46b5f9721fccae · Markdown: https://rewindex.com/change/i46b5f9721fccae.md · JSON: https://rewindex.com/api/v1/changes/i46b5f9721fccae · Generated 2026-10-18T01:54:00.680Z