# Anthropic: Major incident: Service disruption on Claude services

**Summary:** A major degradation affected Claude API (api.anthropic.com), Claude Code, and Claude Cowork. The incident started at 2026-08-14 20:30 UTC and was resolved at 2026-08-14 21:58 UTC (1 h 27 min); Anthropic reported customer impact from 20:14 to 20:38 UTC. A fix was deployed at 20:44 UTC, but no specific cause was disclosed. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-08-14 20:30 UTC · Detected: 2026-10-17 18:21 UTC
- [Source: https://stspg.io/wlcwm73lh5vb](https://stspg.io/wlcwm73lh5vb)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)
- Versions: before (none: first archived) → after incident\_version:1/005ym4vzrq2w@406d6dea31b9
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Service disruption on Claude services
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-14 20:30 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-14 21:58 UTC
```

**6. Added: Affected components**

```diff
+ Claude API (api.anthropic.com), Claude Code, Claude Cowork
```

**7. Added: Update** (investigating) · 2026-08-14 20:30 UTC

```diff
+ We are investigating reports of degraded performance affecting the Claude API, Claude Code, and Claude Cowork. We will provide an update as soon as possible.
```

**8. Added: Update** (identified) · 2026-08-14 20:44 UTC

```diff
+ We have identified the cause of the issue affecting the Claude API, Claude Code, and Claude Cowork and are working on a fix. We will provide an update as soon as possible.
```

**9. Added: Update** (monitoring) · 2026-08-14 20:44 UTC

```diff
+ A fix has been deployed for the issue affecting the Claude API, Claude Code, and Claude Cowork and we are monitoring for recovery.
```

**10. Added: Update** (resolved) · 2026-08-14 21:58 UTC

```diff
+ The issue affecting the Claude API, Claude Code, and Claude Cowork has been resolved. Impact occurred from 20:14 to 20:38 UTC.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-14 20:30 UTC | Major incident: Service disruption on Claude services (this change) | degradation |

All Anthropic changes: [timeline](https://rewindex.com/company/anthropic/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/i5fcb0ba896e63f · Markdown: https://rewindex.com/change/i5fcb0ba896e63f.md · JSON: https://rewindex.com/api/v1/changes/i5fcb0ba896e63f · Generated 2026-10-18T02:28:26.019Z