Part of Anthropic

Claude API Outage History

Claude API is up right now

Claude API had 104 outages in the last 2 years totaling 40h 9m of downtime — averaging 4.3 incidents per month.

There were 104 Claude API outages since March 18, 2026 totaling 40h 9m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.anthropic.com

Minor October 1, 2026

Delayed credits on the Claude Platform

Detected by Pingoru
Oct 01, 2026, 04:20 PM UTC
Resolved
Oct 01, 2026, 10:36 PM UTC
Duration
6h 15m
Affected: Claude Console (platform.claude.com)Claude API (api.anthropic.com)
Timeline · 3 updates
  1. investigating Oct 01, 2026, 04:20 PM UTC

    We are investigating delays in credit purchases being reflected in account balances, resulting in some requests failing for insufficient credit balance. We will provide an additional update as soon as possible.

  2. monitoring Oct 01, 2026, 06:23 PM UTC

    We have resolved the issue causing delays in credits being applied after purchase. We are monitoring closely to ensure no further issues.

  3. resolved Oct 01, 2026, 10:36 PM UTC

    This issue has been resolved.

Read the full incident report →

Major September 29, 2026

Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API

Detected by Pingoru
Sep 29, 2026, 02:21 PM UTC
Resolved
Sep 29, 2026, 04:27 PM UTC
Duration
2h 5m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 8 updates
  1. investigating Sep 29, 2026, 02:21 PM UTC

    We are investigating elevated error rates affecting Claude.ai (including the desktop and mobile apps), Claude Code and Claude Cowork. Users may see failed requests, errors loading or sending conversations, or be asked to sign in again; retrying may succeed. We will provide an update as soon as possible.

  2. investigating Sep 29, 2026, 02:28 PM UTC

    We are investigating elevated error rates affecting Claude.ai (including the desktop and mobile apps), Claude Code and Claude Cowork. Some requests to the Claude API are also returning errors. We will provide an update as soon as possible.

  3. investigating Sep 29, 2026, 02:30 PM UTC

    We are investigating reports of degraded performance affecting claude.ai, platform.claude.com, the Claude API, Claude Code, and Claude Cowork. We will provide an update as soon as possible.

  4. investigating Sep 29, 2026, 02:41 PM UTC

    We have applied a mitigation and error rates have dropped substantially. Some sign-in attempts, account actions and Claude Code and Cowork sessions are still failing. We are continuing to work on a full fix.

  5. investigating Sep 29, 2026, 03:00 PM UTC

    The errors that began at 14:00 UTC were mitigated at 14:36 UTC, and existing conversations are mostly working again. A second issue is preventing many users from signing in (single sign-on and Sign in with Apple are unavailable), starting new chats, voice conversations and Claude Code or Cowork sessions, making purchases, and uploading files. If you're signed in, please don't sign out. We're working on a fix and will post another update within 30 minutes.

  6. monitoring Sep 29, 2026, 03:11 PM UTC

    Most services have recovered as of 14:59 UTC. Signing in, starting new chats, voice conversations, Claude Code and Cowork sessions, purchases and file uploads are working again. Some messages sent between 14:00 and 14:59 UTC may not have been saved. We are monitoring closely and will post another update within 30 minutes.

  7. monitoring Sep 29, 2026, 03:30 PM UTC

    All services have been operating normally since 14:59 UTC. We are continuing to monitor.

  8. resolved Sep 29, 2026, 04:27 PM UTC

    The issue affecting Claude.ai, the Claude desktop and mobile apps, Claude Code, Claude Cowork, and the Claude API has been resolved, and services have been operating normally since recovery. Impact occurred from 07:00 PT / 14:00 UTC to 07:59 PT / 14:59 UTC.

Read the full incident report →

Major September 22, 2026

Elevated errors for multiple models

Detected by Pingoru
Sep 22, 2026, 12:57 AM UTC
Resolved
Sep 22, 2026, 02:35 AM UTC
Duration
1h 37m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 5 updates
  1. investigating Sep 22, 2026, 12:57 AM UTC

    We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5. We will provide an update as soon as possible.

  2. identified Sep 22, 2026, 01:17 AM UTC

    We have identified the cause of elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.

  3. identified Sep 22, 2026, 01:35 AM UTC

    We are continuing to work to resolve errors affecting some models. At this time, requests to Claude Fable 5 and 5.1 and Mythos 5 and 5.1 have returned to normal success rates. We are working to resolve remaining errors affecting Claude Opus 5, and will provide an additional update shortly.

  4. monitoring Sep 22, 2026, 02:11 AM UTC

    We have seen success rates return to normal across affected models, and are monitoring closely to ensure no further issues.

  5. resolved Sep 22, 2026, 02:35 AM UTC

    This issue has been resolved. Impact occurred from 5:50pm PT / 00:50 UTC to 7:10pm PT / 02:10 UTC.

Read the full incident report →

Major September 15, 2026

Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1

Detected by Pingoru
Sep 15, 2026, 09:48 AM UTC
Resolved
Sep 15, 2026, 11:14 AM UTC
Duration
1h 26m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 4 updates
  1. investigating Sep 15, 2026, 09:48 AM UTC

    We are investigating elevated errors on requests to Claude Mythos 5.1 and Claude Fable 5.1. We will provide an update as soon as possible.

  2. investigating Sep 15, 2026, 09:52 AM UTC

    We are investigating elevated errors on requests to Claude Mythos 5.1 and Claude Fable 5.1. We will provide an update as soon as possible.

  3. monitoring Sep 15, 2026, 10:50 AM UTC

    A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring to ensure it has resolved the issue.

  4. resolved Sep 15, 2026, 11:14 AM UTC

    A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring to ensure it has resolved the issue.

Read the full incident report →

Major September 11, 2026

Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1

Detected by Pingoru
Sep 11, 2026, 02:19 PM UTC
Resolved
Sep 11, 2026, 02:37 PM UTC
Duration
17m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 5 updates
  1. investigating Sep 11, 2026, 02:19 PM UTC

    We are investigating elevated errors on requests to Claude Fable 5.1 and Claude Mythos 5.1. We will provide an update as soon as possible.

  2. identified Sep 11, 2026, 02:21 PM UTC

    We have identified the cause of elevated errors on requests to Claude Mythos 5.1 and Claude Fable 5.1 and are working on a fix. We will provide an update as soon as possible.

  3. monitoring Sep 11, 2026, 02:28 PM UTC

    A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring for recovery.

  4. monitoring Sep 11, 2026, 02:28 PM UTC

    A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.

  5. resolved Sep 11, 2026, 02:37 PM UTC

    The issue affecting Claude services has been resolved. Impact occurred from 13:57 to 14:20 UTC

Read the full incident report →

Minor September 10, 2026

Elevated latency on the Claude API for some users

Detected by Pingoru
Sep 10, 2026, 09:43 PM UTC
Resolved
Sep 10, 2026, 11:24 PM UTC
Duration
1h 40m
Affected: Claude API (api.anthropic.com)Claude Cowork
Timeline · 2 updates
  1. identified Sep 10, 2026, 09:43 PM UTC

    We are experiencing slower than normal response times on the Claude API for some customers whose traffic enters through the US Midwest. Users may experience elevated latency and some request timeouts.

  2. resolved Sep 10, 2026, 11:24 PM UTC

    The issue affecting Claude services has been mitigated.

Read the full incident report →

Major September 3, 2026

Elevated errors for Claude Sonnet 5

Detected by Pingoru
Sep 03, 2026, 12:37 PM UTC
Resolved
Sep 03, 2026, 12:56 PM UTC
Duration
18m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. investigating Sep 03, 2026, 12:37 PM UTC

    We are investigating elevated errors on requests to Claude Sonnet 5. We will provide an update as soon as possible.

  2. monitoring Sep 03, 2026, 12:47 PM UTC

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

  3. resolved Sep 03, 2026, 12:56 PM UTC

    This incident has been resolved.

Read the full incident report →

Major August 20, 2026

Elevated errors on requests to multiple models

Detected by Pingoru
Aug 20, 2026, 07:16 PM UTC
Resolved
Aug 20, 2026, 07:42 PM UTC
Duration
26m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. investigating Aug 20, 2026, 07:16 PM UTC

    We are investigating elevated errors on requests to some Claude models. We will provide additional updates as soon as possible.

  2. resolved Aug 20, 2026, 07:42 PM UTC

    This issue has been resolved.

Read the full incident report →

Minor August 20, 2026

Elevated errors on Google connectors

Detected by Pingoru
Aug 20, 2026, 06:32 PM UTC
Resolved
Aug 20, 2026, 07:01 PM UTC
Duration
28m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. investigating Aug 20, 2026, 06:32 PM UTC

    We are investigating elevated errors affecting Google connectors (Sheets, Docs, Slides, and Chat) and custom Google integrations on Claude.ai. Core functionality is not affected. We will provide an update as soon as possible.

  2. resolved Aug 20, 2026, 07:01 PM UTC

    This issue has been resolved.

Read the full incident report →

Minor August 19, 2026

Degraded performance for Claude Opus 5 and Claude Haiku 4.5

Detected by Pingoru
Aug 19, 2026, 09:42 AM UTC
Resolved
Aug 19, 2026, 11:02 AM UTC
Duration
1h 19m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. identified Aug 19, 2026, 09:42 AM UTC

    We have identified the cause of elevated errors on requests to Claude Opus 5 and Claude Haiku 4.5 and are working on a fix. We will provide an update as soon as possible.

  2. monitoring Aug 19, 2026, 10:33 AM UTC

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

  3. resolved Aug 19, 2026, 11:02 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor August 18, 2026

Degraded performance for multiple models

Detected by Pingoru
Aug 18, 2026, 04:20 PM UTC
Resolved
Aug 18, 2026, 07:01 PM UTC
Duration
2h 41m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 5 updates
  1. investigating Aug 18, 2026, 04:20 PM UTC

    We are investigating reports of degraded performance affecting multiple models. We will provide an update as soon as possible.

  2. investigating Aug 18, 2026, 04:20 PM UTC

    We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models. We will provide an update as soon as possible.

  3. investigating Aug 18, 2026, 05:12 PM UTC

    We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.

  4. monitoring Aug 18, 2026, 06:26 PM UTC

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

  5. resolved Aug 18, 2026, 07:01 PM UTC

    The issue affecting Claude Opus 5 has been resolved. Impact occurred from 16:11 to 18:23 UTC.

Read the full incident report →

Minor August 17, 2026

Degraded performance for Claude Opus 5, Claude Sonnet 5

Detected by Pingoru
Aug 17, 2026, 01:56 PM UTC
Resolved
Aug 17, 2026, 03:29 PM UTC
Duration
1h 32m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 4 updates
  1. investigating Aug 17, 2026, 01:56 PM UTC

    We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.

  2. investigating Aug 17, 2026, 02:25 PM UTC

    Claude Opus 5 is operational. Claude Sonnet 5 is degraded. We are investigating.

  3. monitoring Aug 17, 2026, 02:39 PM UTC

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

  4. resolved Aug 17, 2026, 03:29 PM UTC

    This incident has been resolved.

Read the full incident report →

Major August 16, 2026

Service disruption on Claude services

Detected by Pingoru
Aug 16, 2026, 10:07 PM UTC
Resolved
Aug 16, 2026, 10:29 PM UTC
Duration
22m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 1 update
  1. investigating Aug 16, 2026, 10:07 PM UTC

    We are investigating reports of degraded performance affecting claude.ai and platform.claude.com. We will provide an update as soon as possible.

Read the full incident report →

Major August 13, 2026

Elevated errors for Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5

Detected by Pingoru
Aug 13, 2026, 02:33 PM UTC
Resolved
Aug 13, 2026, 04:08 PM UTC
Duration
1h 34m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. investigating Aug 13, 2026, 02:33 PM UTC

    We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5. We will provide an update as soon as possible.

  2. investigating Aug 13, 2026, 03:44 PM UTC

    We are investigating elevated errors on requests to Claude Mythos 5 and Claude Fable 5. We will provide an update as soon as possible.

  3. resolved Aug 13, 2026, 04:08 PM UTC

    The issue affecting Claude Mythos 5 and Claude Fable 5 has been resolved.

Read the full incident report →

Minor August 5, 2026

Degraded performance for Claude Opus 5

Detected by Pingoru
Aug 05, 2026, 01:51 PM UTC
Resolved
Aug 05, 2026, 02:34 PM UTC
Duration
42m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. identified Aug 05, 2026, 01:51 PM UTC

    We have identified the cause of elevated errors on requests to Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.

  2. resolved Aug 05, 2026, 02:34 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor August 5, 2026

Degraded performance of multiple models

Detected by Pingoru
Aug 05, 2026, 07:05 AM UTC
Resolved
Aug 05, 2026, 02:14 PM UTC
Duration
7h 8m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 4 updates
  1. identified Aug 05, 2026, 07:05 AM UTC

    We have identified the cause of elevated errors on requests to Claude Mythos 5, Claude Fable 5, and Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.

  2. identified Aug 05, 2026, 09:13 AM UTC

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

  3. monitoring Aug 05, 2026, 01:08 PM UTC

    A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.

  4. resolved Aug 05, 2026, 02:14 PM UTC

    This incident has been resolved.

Read the full incident report →

Major August 4, 2026

Elevated errors across many models

Detected by Pingoru
Aug 04, 2026, 08:48 PM UTC
Resolved
Aug 04, 2026, 09:59 PM UTC
Duration
1h 11m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. investigating Aug 04, 2026, 08:48 PM UTC

    We are currently investigating this issue.

  2. investigating Aug 04, 2026, 09:04 PM UTC

    We have identified an issue which resulted in some users experiencing issues when attempting to log into Anthropic services, including Claude.ai and Claude Code via oAuth. Additionally, some users saw errors when making requests to models. At this time, we have seen success rates recover and are monitoring closely to ensure there are no further issues.

  3. resolved Aug 04, 2026, 09:59 PM UTC

    This issue has been resolved.

Read the full incident report →

Minor August 4, 2026

Elevated errors on Claude Sonnet 5

Detected by Pingoru
Aug 04, 2026, 11:27 AM UTC
Resolved
Aug 04, 2026, 11:52 AM UTC
Duration
24m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude Code
Timeline · 3 updates
  1. investigating Aug 04, 2026, 11:27 AM UTC

    We are currently investigating this issue.

  2. monitoring Aug 04, 2026, 11:37 AM UTC

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

  3. resolved Aug 04, 2026, 11:52 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor August 3, 2026

Degraded performance on Claude Sonnet 5

Detected by Pingoru
Aug 03, 2026, 03:13 PM UTC
Resolved
Aug 03, 2026, 03:29 PM UTC
Duration
15m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. investigating Aug 03, 2026, 03:13 PM UTC

    We are currently investigating this issue.

  2. resolved Aug 03, 2026, 03:29 PM UTC

    As of 15:20 UTC (8:20am PT), error rates on Claude Sonnet 5 have returned to baseline. This incident is resolved.

Read the full incident report →

Minor August 3, 2026

Error rates across multiple models

Detected by Pingoru
Aug 03, 2026, 12:52 PM UTC
Resolved
Aug 03, 2026, 02:17 PM UTC
Duration
1h 24m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 3 updates
  1. investigating Aug 03, 2026, 12:52 PM UTC

    We are currently investigating this issue.

  2. monitoring Aug 03, 2026, 01:30 PM UTC

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

  3. resolved Aug 03, 2026, 02:17 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor July 30, 2026

Degraded performance on Claude Opus 4.8

Detected by Pingoru
Jul 30, 2026, 01:43 PM UTC
Resolved
Jul 30, 2026, 02:24 PM UTC
Duration
40m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. investigating Jul 30, 2026, 01:43 PM UTC

    We are currently investigating this issue.

  2. resolved Jul 30, 2026, 02:24 PM UTC

    This incident has been resolved.

Read the full incident report →

Critical July 29, 2026

Elevated errors across all models

Detected by Pingoru
Jul 29, 2026, 07:49 PM UTC
Resolved
Jul 29, 2026, 10:36 PM UTC
Duration
2h 46m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 5 updates
  1. investigating Jul 29, 2026, 07:49 PM UTC

    We are currently investigating this issue.

  2. identified Jul 29, 2026, 08:33 PM UTC

    We have identified an issue resulting in elevated errors across multiple models, and are working to resolve this. We will provide an update as soon as possible.

  3. identified Jul 29, 2026, 09:38 PM UTC

    We are continuing to work to fully resolve issues resulting in elevated requests and latency to Claude models. At this time, we are seeing recovery across most models. We will provide an additional update as soon as possible.

  4. monitoring Jul 29, 2026, 10:20 PM UTC

    From 12:45 PT / 19:45 UTC through to 1:26 PT / 21:26 UTC, we saw elevated rates of errors across Claude models. We have seen recovery in success rates across all models and are monitoring closely to ensure no further issues.

  5. resolved Jul 29, 2026, 10:36 PM UTC

    This issue has been resolved.

Read the full incident report →

Minor July 27, 2026

Elevated errors on Claude Opus 5 and Haiku 4.5

Detected by Pingoru
Jul 27, 2026, 01:39 PM UTC
Resolved
Jul 27, 2026, 02:36 PM UTC
Duration
56m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 5 updates
  1. investigating Jul 27, 2026, 01:39 PM UTC

    We are currently investigating this issue.

  2. investigating Jul 27, 2026, 01:41 PM UTC

    We are continuing to investigate this issue.

  3. investigating Jul 27, 2026, 01:42 PM UTC

    We are currently investigating this issue.

  4. investigating Jul 27, 2026, 02:04 PM UTC

    Haiku 4.5 is also returning errors.

  5. resolved Jul 27, 2026, 02:36 PM UTC

    As of 7:34 PST / 14:34 UTC the errors have returned to baseline.

Read the full incident report →

Minor July 27, 2026

Elevated errors on Claude Opus 5

Detected by Pingoru
Jul 27, 2026, 11:27 AM UTC
Resolved
Jul 27, 2026, 12:30 PM UTC
Duration
1h 2m
Affected: claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 2 updates
  1. investigating Jul 27, 2026, 11:27 AM UTC

    We are currently investigating this issue.

  2. resolved Jul 27, 2026, 12:30 PM UTC

    As of 4:47 PST / 11:47 UTC the errors have returned to baseline.

Read the full incident report →

Major July 26, 2026

Elevated errors for Opus 5

Detected by Pingoru
Jul 26, 2026, 09:17 AM UTC
Resolved
Jul 26, 2026, 10:44 AM UTC
Duration
1h 27m
Affected: claude.aiClaude Console (platform.claude.com)Claude API (api.anthropic.com)Claude CodeClaude Cowork
Timeline · 5 updates
  1. investigating Jul 26, 2026, 09:17 AM UTC

    We are currently investigating this issue.

  2. identified Jul 26, 2026, 09:45 AM UTC

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

  3. identified Jul 26, 2026, 10:28 AM UTC

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

  4. monitoring Jul 26, 2026, 10:34 AM UTC

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

  5. resolved Jul 26, 2026, 10:44 AM UTC

    This incident has been resolved.

Read the full incident report →