Anthropic Outage History

Anthropic is up right now

There were 56 Anthropic outages since March 18, 2026 totaling 26h 41m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.anthropic.com

Minor April 30, 2026

Elevated errors on Claude Haiku 4.5

Detected by Pingoru
Apr 30, 2026, 01:10 PM UTC
Resolved
Apr 30, 2026, 02:01 PM UTC
Duration
51m
Affected: claude.ai
Timeline · 2 updates
  1. investigating Apr 30, 2026, 01:10 PM UTC

    We are currently investigating this issue.

  2. resolved Apr 30, 2026, 02:01 PM UTC

    The incident has been resolved. Error rates were elevated between 5:20 PT / 12:48 PT and 6:48 PT / 13:48 PT.

Read the full incident report →

Critical April 30, 2026

claude.ai and API unavailable

Detected by Pingoru
Apr 30, 2026, 01:20 AM UTC
Resolved
Apr 30, 2026, 01:51 AM UTC
Duration
30m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 3 updates
  1. investigating Apr 30, 2026, 01:20 AM UTC

    We are currently investigating this issue.

  2. monitoring Apr 30, 2026, 01:34 AM UTC

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

  3. resolved Apr 30, 2026, 01:51 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor April 28, 2026

Elevated errors on Claude Opus 4.7

Detected by Pingoru
Apr 28, 2026, 11:33 PM UTC
Resolved
Apr 29, 2026, 12:00 AM UTC
Duration
27m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. investigating Apr 28, 2026, 11:33 PM UTC

    We are currently investigating this issue.

  2. resolved Apr 29, 2026, 12:00 AM UTC

    The incident is now resolved. The impact was between 16:25 PT / 23:25 UTC and 16:33 PT / 23:33 UTC.

Read the full incident report →

Major April 28, 2026

Claude.ai unavailable and elevated errors on the API

Detected by Pingoru
Apr 28, 2026, 05:41 PM UTC
Resolved
Apr 28, 2026, 07:15 PM UTC
Duration
1h 33m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 5 updates
  1. investigating Apr 28, 2026, 05:41 PM UTC

    We are investigating an issue preventing users from reaching Claude.ai, and will provide an update as soon as possible.

  2. identified Apr 28, 2026, 05:51 PM UTC

    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.

  3. identified Apr 28, 2026, 06:33 PM UTC

    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.

  4. monitoring Apr 28, 2026, 06:59 PM UTC

    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.

  5. resolved Apr 28, 2026, 07:15 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor April 28, 2026

Elevated errors on Claude Sonnet 4.5

Detected by Pingoru
Apr 28, 2026, 01:29 PM UTC
Resolved
Apr 28, 2026, 01:50 PM UTC
Duration
20m
Affected: Claude API (api.anthropic.com)
Timeline · 2 updates
  1. investigating Apr 28, 2026, 01:29 PM UTC

    We are currently investigating this issue.

  2. resolved Apr 28, 2026, 01:50 PM UTC

    The incident has now been resolved. The timeline for the elevated errors was 6:22 PT / 13:22 UTC -> 6:39 PT / 13:39 UTC.

Read the full incident report →

Notice April 27, 2026

Elevated billing related errors on Claude.ai

Detected by Pingoru
Apr 27, 2026, 02:11 PM UTC
Resolved
Apr 27, 2026, 03:18 PM UTC
Duration
1h 7m
Affected: claude.ai
Timeline · 2 updates
  1. investigating Apr 27, 2026, 02:11 PM UTC

    We are currently investigating this issue.

  2. resolved Apr 27, 2026, 03:18 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor April 25, 2026

Claude Code v2.1.120 Crashes on Startup

Detected by Pingoru
Apr 25, 2026, 01:45 AM UTC
Resolved
Apr 25, 2026, 02:35 AM UTC
Duration
50m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 2 updates
  1. monitoring Apr 25, 2026, 01:45 AM UTC

    We have identified an issue in Claude Code version 2.1.120 that causes a crash when resuming a prior session via the --resume or --continue flags. Auto-update will move affected clients back to 2.1.119 on next check, but you can always run `claude install 2.1.119`.

  2. resolved Apr 25, 2026, 02:35 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor April 25, 2026

Elevated error rates on Claude Opus 4.7

Detected by Pingoru
Apr 25, 2026, 01:35 AM UTC
Resolved
Apr 25, 2026, 02:34 AM UTC
Duration
58m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 3 updates
  1. investigating Apr 25, 2026, 01:35 AM UTC

    We are investigating elevated errors for requests to Claude Opus 4.7. We will provide an update as soon as possible.

  2. monitoring Apr 25, 2026, 02:15 AM UTC

    A fix has been deployed for Claude Opus 4.7 and we are seeing success rates at normal levels. We are continuing to monitor, and ensure no further recurrence.

  3. resolved Apr 25, 2026, 02:34 AM UTC

    The issue affecting requests to Claude Opus 4.7 has been resolved. Impact occurred from 01:24–01:59 UTC.

Read the full incident report →

Major April 24, 2026

Issues with sign-ups on platform.claude.com

Detected by Pingoru
Apr 24, 2026, 05:03 PM UTC
Resolved
Apr 24, 2026, 05:32 PM UTC
Duration
28m
Affected: Claude Console (platform.claude.com)
Timeline · 2 updates
  1. investigating Apr 24, 2026, 05:03 PM UTC

    We are currently investigating an issue resulting in errors when attempting to sign up at platform.claude.com

  2. resolved Apr 24, 2026, 05:32 PM UTC

    This incident has been resolved.

Read the full incident report →

Critical April 24, 2026

Elevated errors on Sonnet 4.6

Detected by Pingoru
Apr 24, 2026, 02:55 AM UTC
Resolved
Apr 24, 2026, 03:34 AM UTC
Duration
39m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 5 updates
  1. investigating Apr 24, 2026, 02:55 AM UTC

    We are currently investigating this issue.

  2. investigating Apr 24, 2026, 02:55 AM UTC

    We are continuing to investigate this issue.

  3. identified Apr 24, 2026, 03:09 AM UTC

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

  4. monitoring Apr 24, 2026, 03:15 AM UTC

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

  5. resolved Apr 24, 2026, 03:34 AM UTC

    This incident has been resolved.

Read the full incident report →

Notice April 23, 2026

Issues with responses using structured outputs on the API

Detected by Pingoru
Apr 23, 2026, 09:25 PM UTC
Resolved
Apr 23, 2026, 02:00 AM UTC
Duration
—
Timeline · 1 update
  1. resolved Apr 23, 2026, 09:25 PM UTC

    We have identified and resolved an issue which resulted in issues with model responses when making use of structured outputs via the Anthropic API between 16:10 UTC on April 22 and 01:59 UTC on April 23. During this period, structured outputs containing some forms of grammar requirements returned with reduced quality. This did not impact any requests not using structured outputs, as detailed here: https://platform.claude.com/docs/en/build-with-claude/structured-outputs.

Read the full incident report →

Minor April 23, 2026

MCP apps unavailable on Claude.ai

Detected by Pingoru
Apr 23, 2026, 12:41 AM UTC
Resolved
Apr 23, 2026, 02:09 AM UTC
Duration
1h 27m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 3 updates
  1. identified Apr 23, 2026, 12:41 AM UTC

    We have identified an issue impacting the availability of MCP applications on Claude.ai, including desktop and mobile. We are working on a fix and will provide an update as soon as possible.

  2. identified Apr 23, 2026, 12:57 AM UTC

    We have resolved the issue impacting MCP Apps on Claude.ai.

  3. resolved Apr 23, 2026, 02:09 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor April 20, 2026

Elevated errors for uploading files

Detected by Pingoru
Apr 20, 2026, 01:31 PM UTC
Resolved
Apr 20, 2026, 02:21 PM UTC
Duration
50m
Affected: claude.aiClaude API (api.anthropic.com)
Timeline · 2 updates
  1. investigating Apr 20, 2026, 01:31 PM UTC

    We are currently investigating an issue related to uploading files on Claude.ai and Claude API. Some users will see their uploads failing and they are advised to retry.

  2. resolved Apr 20, 2026, 02:21 PM UTC

    This incident has been resolved.

Read the full incident report →

Major April 20, 2026

Claude Sonnet 4.5 error spike

Detected by Pingoru
Apr 20, 2026, 06:14 AM UTC
Resolved
Apr 20, 2026, 07:25 AM UTC
Duration
1h 11m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 4 updates
  1. investigating Apr 20, 2026, 06:14 AM UTC

    We are currently investigating this issue.

  2. monitoring Apr 20, 2026, 06:38 AM UTC

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

  3. monitoring Apr 20, 2026, 06:41 AM UTC

    We are continuing to monitor for any further issues.

  4. resolved Apr 20, 2026, 07:25 AM UTC

    This incident has been resolved.

Read the full incident report →

Notice April 19, 2026

Elevated errors on Opus 4.6

Detected by Pingoru
Apr 19, 2026, 10:44 PM UTC
Resolved
Apr 20, 2026, 12:00 AM UTC
Duration
1h 15m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. investigating Apr 19, 2026, 10:44 PM UTC

    We are currently investigating this issue.

  2. resolved Apr 20, 2026, 12:00 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor April 17, 2026

Errors uploading documents to Google Drive in Claude.ai

Detected by Pingoru
Apr 17, 2026, 06:59 PM UTC
Resolved
Apr 17, 2026, 07:56 PM UTC
Duration
56m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude CoworkClaude for Government
Timeline · 2 updates
  1. investigating Apr 17, 2026, 06:59 PM UTC

    We are investigating an issue causing errors when uploading documents to Google Drive from Claude.ai, including the desktop app and Cowork.

  2. resolved Apr 17, 2026, 07:56 PM UTC

    The issue affecting uploads to Google Drive has been resolved.

Read the full incident report →

Minor April 16, 2026

Failures to add Credentials to Vaults

Detected by Pingoru
Apr 16, 2026, 10:26 PM UTC
Resolved
Apr 16, 2026, 10:41 PM UTC
Duration
15m
Affected: Claude Console (platform.claude.com)
Timeline · 4 updates
  1. investigating Apr 16, 2026, 10:26 PM UTC

    We are currently investigating this issue.

  2. monitoring Apr 16, 2026, 10:33 PM UTC

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

  3. monitoring Apr 16, 2026, 10:40 PM UTC

    We are continuing to monitor for any further issues.

  4. resolved Apr 16, 2026, 10:41 PM UTC

    This incident has been resolved.

Read the full incident report →

Major April 16, 2026

Claude Cowork not starting for some users

Detected by Pingoru
Apr 16, 2026, 07:24 PM UTC
Resolved
Apr 16, 2026, 09:29 PM UTC
Duration
2h 4m
Affected: Claude Cowork
Timeline · 3 updates
  1. investigating Apr 16, 2026, 07:24 PM UTC

    We are currently investigating this issue on the v1.3036.0 release of Claude Desktop

  2. identified Apr 16, 2026, 08:47 PM UTC

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

  3. resolved Apr 16, 2026, 09:29 PM UTC

    This incident has been resolved in the v1.3109.0 release of Claude Desktop. Please "Check for Updates".

Read the full incident report →

Minor April 16, 2026

Opus 4.6 elevated rate of errors

Detected by Pingoru
Apr 16, 2026, 06:50 AM UTC
Resolved
Apr 16, 2026, 07:43 AM UTC
Duration
52m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. identified Apr 16, 2026, 06:50 AM UTC

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

  2. resolved Apr 16, 2026, 07:43 AM UTC

    Earlier today we had an outage on Opus 4.6 that started at 23:03 PT / 6:03 UTC and ended at 00:26 PT / 7:26 UTC.

Read the full incident report →

Critical April 15, 2026

Elevated errors on Claude.ai, API, Claude Code

Detected by Pingoru
Apr 15, 2026, 02:53 PM UTC
Resolved
Apr 15, 2026, 05:42 PM UTC
Duration
2h 49m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 7 updates
  1. investigating Apr 15, 2026, 02:53 PM UTC

    We are seeing increased errors on Claude.ai, API, and Claude Code

  2. investigating Apr 15, 2026, 02:55 PM UTC

    We are continuing to investigate this issue.

  3. identified Apr 15, 2026, 03:03 PM UTC

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

  4. identified Apr 15, 2026, 03:20 PM UTC

    The Claude API has fully recovered as of 8:01 PT / 16:01 UTC. We are currently working on mitigating the ongoing errors for Claude AI. Claude Code users who are logged in are still able to use it, but logging in is still broken.

  5. identified Apr 15, 2026, 03:57 PM UTC

    Claude.ai and Platform are down. Login for Claude Code does not work via Claude.ai.

  6. identified Apr 15, 2026, 04:29 PM UTC

    We have seen success rates for login to Claude.ai, including via Claude Code, stabilize and are working to fully resolve this issue. We will provide an update shortly.

  7. resolved Apr 15, 2026, 05:42 PM UTC

    This incident has been resolved.

Read the full incident report →

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 →

Major April 11, 2026

Email login down

Detected by Pingoru
Apr 11, 2026, 12:00 AM UTC
Resolved
Apr 11, 2026, 12:00 AM UTC
Duration
—
Timeline · 1 update
  1. resolved Apr 11, 2026, 12:00 AM UTC

    Email login was broken between approximately 3:46 PM and 4:52 PM PDT on April 10, 2026.

Read the full incident report →

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