# Braze: Major incident: EU01 REST API and SDK Data Collection Errors

**Summary:** Braze reported a major EU01 incident affecting REST APIs and SDK Data Collection from 2025-11-24 11:26 UTC to 2025-11-24 12:09 UTC, lasting 43 min. Elevated errors subsided by 11:51 UTC; customers must retry REST API requests that received errors. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-11-24 11:26 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/21qjklfj7k0v](https://stspg.io/21qjklfj7k0v)
- [Company: Braze](https://rewindex.com/company/braze.md)
- Versions: before (none: first archived) → after incident\_version:236/hhntcjbjmh21@b98104b2e2ae
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ EU01 REST API and SDK Data Collection Errors
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-11-24 11:26 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-11-24 12:09 UTC
```

**6. Added: Affected components**

```diff
+ EU 01 Cluster - REST APIs, EU 01 Cluster - SDK Data Collection, REST APIs, SDK Data Collection
```

**7. Added: Update** (investigating) · 2025-11-24 11:26 UTC

```diff
+ Our Engineering team is investigating elevated REST and SDK Errors on the EU01 Cluster.
```

**8. Added: Update** (monitoring) · 2025-11-24 11:51 UTC

```diff
+ The REST API and SDK Data Collection has returned to normal operation and engineers are continuing to monitor services. Any SDK API  requests that returned an error will have been automatically retired. Any REST API requests that received an error will need to be retried.
```

**9. Added: Update** (resolved) · 2025-11-24 12:09 UTC

```diff
+ The REST API and SDK Data Collection have continued to remain stable and this incident is considered resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-11-24 11:26 UTC | Major incident: EU01 REST API and SDK Data Collection Errors (this change) | outage |

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/i4e82b8608be20f · Markdown: https://rewindex.com/change/i4e82b8608be20f.md · JSON: https://rewindex.com/api/v1/changes/i4e82b8608be20f · Generated 2026-10-18T01:53:10.672Z