Part of Anthropic

Claude API Outage History

Claude API is up right now

Claude API had 43 outages in the last 2 years totaling 35h 36m of downtime — averaging 1.8 incidents per month.

There were 43 Claude API outages since March 18, 2026 totaling 35h 36m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.anthropic.com

Minor April 14, 2026

Degraded service on usage and analytics admin API endpoints

Detected by Pingoru
Apr 14, 2026, 09:24 AM UTC
Resolved
Apr 14, 2026, 03:21 PM UTC
Duration
5h 56m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 4 updates
  1. investigating Apr 14, 2026, 09:24 AM UTC

    We are investigating reports of degraded performance affecting the usage and analytics admin API endpoints. We will provide an update as soon as possible.

  2. identified Apr 14, 2026, 11:47 AM UTC

    Root cause identified. Fixes have been merged and are progressing through our deployment pipeline. Intermittent 503 errors on usage and analytics admin API endpoints may continue until the rollout completes. We will update once the fix is live in production.

  3. monitoring Apr 14, 2026, 01:20 PM UTC

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

  4. resolved Apr 14, 2026, 03:21 PM UTC

    This incident has been resolved.

Read the full incident report →

Critical April 13, 2026

Claude.ai down

Detected by Pingoru
Apr 13, 2026, 03:40 PM UTC
Resolved
Apr 13, 2026, 04:35 PM UTC
Duration
55m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 4 updates
  1. investigating Apr 13, 2026, 03:40 PM UTC

    We are currently investigating this issue.

  2. investigating Apr 13, 2026, 03:58 PM UTC

    We are continuing to investigate elevated errors on Claude.ai, primarily affecting login. We will provide an update as soon as possible.

  3. identified Apr 13, 2026, 04:16 PM UTC

    We have identified the issue affecting Claude.ai and Claude Code logins. We are working to apply a fix for this issue, and will provide an additional update as soon as possible.

  4. resolved Apr 13, 2026, 04:35 PM UTC

    We have resolved the issue resulting in elevated errors on login for Claude.ai and Claude Code betwen 15:31 to 16:19 UTC.

Read the full incident report →

Minor April 10, 2026

Elevated errors on requests to Claude models

Detected by Pingoru
Apr 10, 2026, 04:30 PM UTC
Resolved
Apr 10, 2026, 04:51 PM UTC
Duration
21m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 3 updates
  1. investigating Apr 10, 2026, 04:30 PM UTC

    We are investigating reports of elevated errors on requests to Claude across all products. We will provide an update as soon as possible.

  2. identified Apr 10, 2026, 04:42 PM UTC

    We have identified the current issue as affecting requests to models other than Claude Opus 4.6, and are working to fully resolve this issue. We will provide additional updates shortly.

  3. resolved Apr 10, 2026, 04:51 PM UTC

    The issue affecting requests to non-Opus models has been resolved.

Read the full incident report →

Minor April 9, 2026

Elevated Connector Error Rates

Detected by Pingoru
Apr 09, 2026, 04:54 PM UTC
Resolved
Apr 09, 2026, 05:34 PM UTC
Duration
39m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. investigating Apr 09, 2026, 04:54 PM UTC

    Certain connectors are experiencing higher error rates. We are investigating the issue.

  2. monitoring Apr 09, 2026, 05:33 PM UTC

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

  3. resolved Apr 09, 2026, 05:34 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor April 9, 2026

Sonnet 4.6 elevated rate of errors

Detected by Pingoru
Apr 09, 2026, 08:07 AM UTC
Resolved
Apr 09, 2026, 08:53 AM UTC
Duration
45m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. identified Apr 09, 2026, 08:07 AM UTC

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

  2. resolved Apr 09, 2026, 08:53 AM UTC

    This incident has been resolved.

Read the full incident report →

Critical April 7, 2026

Elevated errors on Claude.ai

Detected by Pingoru
Apr 07, 2026, 02:32 PM UTC
Resolved
Apr 07, 2026, 03:59 PM UTC
Duration
1h 27m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. identified Apr 07, 2026, 02:55 PM UTC

    We have identified an issue resulting in elevated errors on Claude.ai, including desktop and mobile. Users may experience errors when attempting to login, engaging with voice mode, or completing chats with Claude. We are working to resolve this issue as soon as possible.

  2. monitoring Apr 07, 2026, 03:22 PM UTC

    We have applied a fix and success rates have returned to normal. We are continuing to monitor closely to ensure there are no further issues.

  3. resolved Apr 07, 2026, 03:59 PM UTC

    From 14:32–15:12 UTC, we saw elevated errors impacting various Claude services, including Claude.ai and Claude Code authentication. These errors have been resolved.

Read the full incident report →

Major April 3, 2026

Elevated errors on requests to Claude Sonnet 4.6

Detected by Pingoru
Apr 03, 2026, 06:12 PM UTC
Resolved
Apr 03, 2026, 07:21 PM UTC
Duration
1h 8m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. investigating Apr 03, 2026, 06:12 PM UTC

    We are currently investigating an issue resulting in elevated errors on requests to Claude Sonnet 4.6. We will provide an update as soon as possible.

  2. resolved Apr 03, 2026, 07:21 PM UTC

    This incident has been resolved.

Read the full incident report →

Major April 1, 2026

Elevated errors on requests to Claude Opus 4.6

Detected by Pingoru
Apr 01, 2026, 09:06 AM UTC
Resolved
Apr 01, 2026, 10:40 AM UTC
Duration
1h 34m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 2 updates
  1. identified Apr 01, 2026, 09:06 AM UTC

    We have identified an issue resulting in elevated errors on requests to Claude Opus 4.6, and are working to resolve this. We will provide an update as soon as possible.

  2. resolved Apr 01, 2026, 10:40 AM UTC

    This incident has been resolved.

Read the full incident report →

Major April 1, 2026

Elevated timeouts on requests to Claude Opus 4.6 and Sonnet 4.6

Detected by Pingoru
Apr 01, 2026, 07:01 AM UTC
Resolved
Apr 01, 2026, 07:01 AM UTC
Duration
Affected: claude.aiClaude API (api.anthropic.com)Claude Code
Timeline · 1 update
  1. resolved Apr 01, 2026, 07:01 AM UTC

    We have identified an issue which resulted in elevated rates of timeouts when making requests to Claude Opus 4.6 and Sonnet 4.6 from 17:45 UTC on March 31 through 05:52 UTC on April 1. This issue has been resolved.

Read the full incident report →

Minor April 1, 2026

Elevated errors and latency on Claude Haiku 4.5

Detected by Pingoru
Apr 01, 2026, 01:27 AM UTC
Resolved
Apr 01, 2026, 02:14 AM UTC
Duration
46m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 3 updates
  1. investigating Apr 01, 2026, 01:27 AM UTC

    We are currently investigating this issue.

  2. monitoring Apr 01, 2026, 01:47 AM UTC

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

  3. resolved Apr 01, 2026, 02:14 AM UTC

    This incident has been resolved.

Read the full incident report →

Major March 31, 2026

Opus 4.6 and Sonnet 4.6 error rate elevated

Detected by Pingoru
Mar 31, 2026, 07:41 PM UTC
Resolved
Mar 31, 2026, 10:09 PM UTC
Duration
2h 27m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 3 updates
  1. identified Mar 31, 2026, 07:41 PM UTC

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

  2. identified Mar 31, 2026, 09:01 PM UTC

    We are continuing to work on a fix for this issue.

  3. resolved Mar 31, 2026, 10:09 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor March 31, 2026

Elevated errors on Claude Opus 4.6

Detected by Pingoru
Mar 31, 2026, 08:53 AM UTC
Resolved
Mar 31, 2026, 09:44 AM UTC
Duration
50m
Affected: claude.aiClaude API (api.anthropic.com)Claude Code
Timeline · 3 updates
  1. investigating Mar 31, 2026, 08:53 AM UTC

    Issue started at 1:33 PT / 8:53 UTC.

  2. monitoring Mar 31, 2026, 09:21 AM UTC

    At baseline error rate from 2:19 PT / 9:19 UTC.

  3. resolved Mar 31, 2026, 09:44 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor March 28, 2026

Elevated errors on Opus 4.6 Fast Mode

Detected by Pingoru
Mar 28, 2026, 01:01 PM UTC
Resolved
Mar 28, 2026, 02:53 PM UTC
Duration
1h 51m
Affected: Claude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 3 updates
  1. investigating Mar 28, 2026, 01:01 PM UTC

    We are currently investigating this issue.

  2. monitoring Mar 28, 2026, 01:55 PM UTC

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

  3. resolved Mar 28, 2026, 02:53 PM UTC

    This incident has been resolved.

Read the full incident report →

Major March 27, 2026

Elevated error rates on Opus 4.6

Detected by Pingoru
Mar 27, 2026, 06:59 AM UTC
Resolved
Mar 27, 2026, 04:46 PM UTC
Duration
9h 46m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude for Government
Timeline · 8 updates
  1. investigating Mar 27, 2026, 06:59 AM UTC

    We are currently investigating this issue.

  2. investigating Mar 27, 2026, 11:04 AM UTC

    We are continuing to investigate the ongoing incident.

  3. investigating Mar 27, 2026, 11:21 AM UTC

    Sonnet 4.6 is also showing elevated errors.

  4. investigating Mar 27, 2026, 12:09 PM UTC

    As of 5:00 PT / 12:00 UTC Sonnet 4.6 is now healthy. We are still working to fix Opus 4.6.

  5. identified Mar 27, 2026, 01:34 PM UTC

    We have mitigated the main issue and the error rate for Opus 4.6 is hovering around 0.4% which is still high, but much better than the performance during the previous hours. We are waiting for a more permanent fix to land in the near future.

  6. monitoring Mar 27, 2026, 01:46 PM UTC

    As of 6:40 PT / 13:40 UTC our error rate has returned to the baseline. We are still monitoring the current situation.

  7. resolved Mar 27, 2026, 04:46 PM UTC

    This incident has been mitigated as of 9:30 PT / 16:30 UTC.

  8. postmortem Mar 27, 2026, 05:36 PM UTC

    On March 26–27, 2026, customers experienced elevated error rates when using Claude Opus 4.6 and Claude Sonnet 4.6. The issue was caused by a networking performance degradation within our infrastructure that disrupted communication between components of our serving stack. We resolved the incident by migrating the affected workloads to healthy infrastructure, restoring normal service by 9:30 AM PT on March 27.

Read the full incident report →

Major March 26, 2026

Elevated errors on Claude Opus 4.6 and Sonnet 4.6

Detected by Pingoru
Mar 26, 2026, 09:56 PM UTC
Resolved
Mar 27, 2026, 12:49 AM UTC
Duration
2h 53m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 3 updates
  1. investigating Mar 26, 2026, 09:56 PM UTC

    We are currently investigating an issue resulting in elevated errors on requests to Claude Opus 4.6 and Sonnet 4.6. We will provide an update as soon as possible.

  2. identified Mar 26, 2026, 11:06 PM UTC

    We have identified an issue resulting in a low rate of errors on requests to Claude Opus 4.6 and Sonnet 4.6, we are continuing to work to fully resolve this issue and will provide additional updates.

  3. resolved Mar 27, 2026, 12:49 AM UTC

    This incident has been resolved.

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 →

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 →