Anthropic Outage History

Anthropic is up right now

There were 56 Anthropic outages since March 18, 2026 totaling 6h 39m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.anthropic.com

Critical March 22, 2026

Claude.ai and Claude login down

Detected by Pingoru
Mar 22, 2026, 06:31 PM UTC
Resolved
Mar 22, 2026, 06:51 PM UTC
Duration
19m
Affected: claude.aiClaude Console (platform.claude.com)
Timeline · 4 updates
  1. investigating Mar 22, 2026, 06:31 PM UTC

    We are investigating an issue preventing logins on Claude Console (platform.claude.com)

  2. investigating Mar 22, 2026, 06:33 PM UTC

    We are investigating an issue with users authenticating to claude.ai and Claude Console (platform.claude.com)

  3. monitoring Mar 22, 2026, 06:43 PM UTC

    A mitigation has been applied. Logins have returned to normal, the team is continuing to monitor the situation.

  4. resolved Mar 22, 2026, 06:51 PM UTC

    This incident has been resolved. Logins and authentication for claude.ai and platform.claude.com have returned to normal

Read the full incident report →

Minor March 22, 2026

Delayed response completion on Claude.ai

Detected by Pingoru
Mar 22, 2026, 11:14 AM UTC
Resolved
Mar 22, 2026, 01:13 PM UTC
Duration
1h 59m
Affected: claude.ai
Timeline · 3 updates
  1. investigating Mar 22, 2026, 11:14 AM UTC

    Since approximately 20:00 UTC / 13:00 PT on Friday, March 20, Claude.ai responses may appear to "hang" for around 5 seconds after the text has finished streaming before the message completes. The Anthropic API is not affected.

  2. identified Mar 22, 2026, 12:34 PM UTC

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

  3. resolved Mar 22, 2026, 01:13 PM UTC

    As of 13:02 UTC / 06:02 PT this incident has been mitigated.

Read the full incident report →

Major March 21, 2026

Elevated error rates on Claude Opus and Sonnet 4.6

Detected by Pingoru
Mar 21, 2026, 12:07 AM UTC
Resolved
Mar 21, 2026, 01:42 AM UTC
Duration
1h 35m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 4 updates
  1. investigating Mar 21, 2026, 12:07 AM UTC

    We are currently investigating elevated error rates affecting Claude Opus 4.6. Our team is actively working to identify the root cause.

  2. identified Mar 21, 2026, 12:17 AM UTC

    We have identified an issue resulting in elevated errors on both Claude Opus and Sonnet 4.6, and are working to resolve this issue as quickly as possible.

  3. identified Mar 21, 2026, 12:58 AM UTC

    We have observed success rates return to normal for Claude Opus 4.6, and are working to fully resolve elevated errors for Claude Sonnet 4.6.

  4. resolved Mar 21, 2026, 01:42 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor March 19, 2026

Elevated errors on Claude Sonnet 4.6

Detected by Pingoru
Mar 19, 2026, 03:37 PM UTC
Resolved
Mar 19, 2026, 03:46 PM UTC
Duration
8m
Affected: claude.aiClaude API (api.anthropic.com)Claude Code
Timeline · 2 updates
  1. investigating Mar 19, 2026, 03:37 PM UTC

    We are currently investigating elevated errors that started at 8:23 PT / 15:23 UTC.

  2. resolved Mar 19, 2026, 03:46 PM UTC

    As of 8:42 PT / 15:42 UTC the error rate has now returned to baseline.

Read the full incident report →

Major March 19, 2026

Elevated errors across surfaces

Detected by Pingoru
Mar 19, 2026, 12:28 AM UTC
Resolved
Mar 19, 2026, 01:38 AM UTC
Duration
1h 9m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 3 updates
  1. investigating Mar 19, 2026, 12:28 AM UTC

    We are currently investigating this issue. Our team is actively working to identify the root cause.

  2. monitoring Mar 19, 2026, 01:21 AM UTC

    From 23:59–00:30 UTC, users experienced elevated errors when trying to authenticate across various Claude surfaces including Claude.ai and Claude Code. This issue has been resolved, and we are monitoring closely to ensure no further issues.

  3. resolved Mar 19, 2026, 01:38 AM UTC

    This incident has been resolved.

Read the full incident report →

Major March 18, 2026

Increased errors on Opus 4.6

Detected by Pingoru
Mar 18, 2026, 12:30 PM UTC
Resolved
Mar 18, 2026, 01:58 PM UTC
Duration
1h 27m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude for Government
Timeline · 4 updates
  1. investigating Mar 18, 2026, 12:30 PM UTC

    We are currently investigating this issue.

  2. monitoring Mar 18, 2026, 01:19 PM UTC

    A fix has been implemented and we are monitoring the results.

  3. monitoring Mar 18, 2026, 01:25 PM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Mar 18, 2026, 01:58 PM UTC

    This incident has been resolved.

Read the full incident report →

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