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major✓ Resolved

Claude.ai unavailable and elevated errors on the API

Anthropic (Claude)•Tue, Apr 28, 2026, 05:41 PM
Status
resolved
Duration
1h 38m
Updates
4
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedTue, Apr 28, 2026, 07:20 PM
This incident has been resolved.
monitoringTue, Apr 28, 2026, 06:59 PM
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.
identifiedTue, Apr 28, 2026, 06:33 PM
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.
identifiedTue, Apr 28, 2026, 05:51 PM
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.
investigatingTue, Apr 28, 2026, 05:41 PM
We are investigating an issue preventing users from reaching Claude.ai, and will provide an update as soon as possible.

📊 TECHNICAL DETAILS

Internal ID
1cd3448c-a377-4406-8d9e-1b68cd31ac70
External ID
9l93x2ht4s5w
🕐 Started
Tue, Apr 28, 2026, 05:41 PM
🔄 Last Updated
Tue, Apr 28, 2026, 07:20 PM
✓ Resolved
Tue, Apr 28, 2026, 07:20 PM
MAJOR
Impact Level
1h 38m
Total Duration
4
Status Updates
Affected Components
claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
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