# Claude.ai unavailable and elevated errors on the API

- Provider: [Anthropic](https://down.guide/providers/anthropic)
- Confidence: Confirmed
- Impact: Partial outage
- lasted 1h 34m
- started 2026-04-28 17:41 UTC
- claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com) +3
- Anthropic states the impact was 2026-04-28 17:34 to 18:52 UTC (1h 18m)
- id: DWN-1ae1c3eb99
- Official page: https://stspg.io/xgvxvmwcflnx

## Updates from Anthropic
### 2026-04-28 17:41 UTC: investigating
We are investigating an issue preventing users from reaching Claude.ai, and will provide an update as soon as possible.

### 2026-04-28 17:51 UTC: identified
We have identified an issue resulting in elevated errors on the Anthropic API, as well as issues accessing Claude.ai, including log-in paths for Claude Code. We are working to resolve these issues, and will provide an update as soon as possible.

### 2026-04-28 18:33 UTC: identified
We are continuing to work to resolve the issues preventing users from accessing Claude.ai, and causing elevated authentication errors for requests to the API and Claude Code.

### 2026-04-28 18:59 UTC: monitoring
We are seeing success rates across all services return to normal, and are monitoring closely to prevent any further issues. Impact occurred from 17:34–18:52 UTC.

### 2026-04-28 19:15 UTC: resolved
This incident has been resolved.

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