# Upstash: Critical incident: QStash API Not Reachable

**Summary:** Upstash’s QStash API was unreachable in an incident affecting QStash and EU-CENTRAL-1, rated critical by the vendor. It started at 2024-08-23 05:32 UTC and was resolved at 2024-08-23 06:01 UTC, lasting 28 min; Upstash reported identifying the issue and implementing a fix but provided no cause or fix details. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2024-08-23 05:32 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/vxbrc92cmrr6](https://stspg.io/vxbrc92cmrr6)
- [Company: Upstash](https://rewindex.com/company/upstash.md)
- Versions: before (none: first archived) → after incident\_version:171/zcn5ytdd21n2@846b525a5b3a
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ QStash API Not Reachable
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2024-08-23 05:32 UTC
```

**5. Added: Resolved time**

```diff
+ 2024-08-23 06:01 UTC
```

**6. Added: Affected components**

```diff
+ EU-CENTRAL-1, QStash
```

**7. Added: Update** (identified) · 2024-08-23 05:32 UTC

```diff
+ The issue has been identified and a fix is being implemented.
```

**8. Added: Update** (resolved) · 2024-08-23 06:01 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2024-08-23 05:32 UTC | Critical incident: QStash API Not Reachable (this change) | outage |

All Upstash changes: [timeline](https://rewindex.com/company/upstash/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/i36445ef764f246 · Markdown: https://rewindex.com/change/i36445ef764f246.md · JSON: https://rewindex.com/api/v1/changes/i36445ef764f246 · Generated 2026-10-18T03:55:45.374Z