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Anthropic official API status and incident history

Official status pageAnthropicHow we measure

Relayed from the public data of status.claude.com, synced every 5 minutes; the official page prevails.

OperationalUpdated 2026-11-12 22:00
  • Claude API (api.anthropic.com)Operational
  • Claude CodeOperational
Last 90 days 25 days with incidents33 incidents45 hours in total
  1. 2026-08-15 Partial outage
  2. 2026-08-16 No incidents
  3. 2026-08-17 Major outage
  4. 2026-08-18 No incidents
  5. 2026-08-19 Degraded
  6. 2026-08-20 No incidents
  7. 2026-08-21 Partial outage
  8. 2026-08-22 No incidents
  9. 2026-08-23 No incidents
  10. 2026-08-24 Partial outage
  11. 2026-08-25 Degraded
  12. 2026-08-26 No incidents
  13. 2026-08-27 No incidents
  14. 2026-08-28 No incidents
  15. 2026-08-29 Partial outage
  16. 2026-08-30 No incidents
  17. 2026-08-31 No incidents
  18. 2026-09-01 Degraded
  19. 2026-09-02 No incidents
  20. 2026-09-03 Partial outage
  21. 2026-09-04 Partial outage
  22. 2026-09-05 No incidents
  23. 2026-09-06 No incidents
  24. 2026-09-07 No incidents
  25. 2026-09-08 No incidents
  26. 2026-09-09 No incidents
  27. 2026-09-10 No incidents
  28. 2026-09-11 Partial outage
  29. 2026-09-12 No incidents
  30. 2026-09-13 No incidents
  31. 2026-09-14 No incidents
  32. 2026-09-15 Partial outage
  33. 2026-09-16 No incidents
  34. 2026-09-17 No incidents
  35. 2026-09-18 No incidents
  36. 2026-09-19 No incidents
  37. 2026-09-20 No incidents
  38. 2026-09-21 No incidents
  39. 2026-09-22 Partial outage
  40. 2026-09-23 No incidents
  41. 2026-09-24 No incidents
  42. 2026-09-25 No incidents
  43. 2026-09-26 No incidents
  44. 2026-09-27 No incidents
  45. 2026-09-28 No incidents
  46. 2026-09-29 Partial outage
  47. 2026-09-30 Partial outage
  48. 2026-10-01 No incidents
  49. 2026-10-02 Degraded
  50. 2026-10-03 No incidents
  51. 2026-10-04 No incidents
  52. 2026-10-05 Partial outage
  53. 2026-10-06 Partial outage
  54. 2026-10-07 No incidents
  55. 2026-10-08 No incidents
  56. 2026-10-09 No incidents
  57. 2026-10-10 No incidents
  58. 2026-10-11 No incidents
  59. 2026-10-12 No incidents
  60. 2026-10-13 No incidents
  61. 2026-10-14 No incidents
  62. 2026-10-15 No incidents
  63. 2026-10-16 No incidents
  64. 2026-10-17 No incidents
  65. 2026-10-18 No incidents
  66. 2026-10-19 No incidents
  67. 2026-10-20 No incidents
  68. 2026-10-21 No incidents
  69. 2026-10-22 Degraded
  70. 2026-10-23 No incidents
  71. 2026-10-24 Major outage
  72. 2026-10-25 Partial outage
  73. 2026-10-26 No incidents
  74. 2026-10-27 Partial outage
  75. 2026-10-28 Degraded
  76. 2026-10-29 Degraded
  77. 2026-10-30 No incidents
  78. 2026-10-31 No incidents
  79. 2026-11-01 No incidents
  80. 2026-11-02 No incidents
  81. 2026-11-03 No incidents
  82. 2026-11-04 No incidents
  83. 2026-11-05 No incidents
  84. 2026-11-06 No incidents
  85. 2026-11-07 No incidents
  86. 2026-11-08 Degraded
  87. 2026-11-09 No incidents
  88. 2026-11-10 No incidents
  89. 2026-11-11 No incidents
  90. 2026-11-12 No incidents
2026-08-15Before recordsNo incidentsNoticeDegradedPartial outageMajor outage2026-11-12

Incidents before 2026-08-12 are incomplete

Full history

Titles and updates are quoted from the official page.

2026-11 1

  • Degraded11-08 16:28 – 16:54 · lasted 26 min

    Degraded performance for Claude Fable 5.1

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    3 official updates
    1. Resolved11-08 16:54

      The issue affecting claude.ai, the Claude API, Claude Code, and Claude Cowork has been resolved. Impact occurred from 00:18 PT / 08:18 UTC on Nov 8 to 00:32 PT / 08:32 UTC on Nov 8.

    2. Monitoring11-08 16:39

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

    3. Investigating11-08 16:28

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

    Official incident page

2026-10 13

  • Degraded10-29 00:19 – 04:05 · lasted 3h 46m

    Elevated errors affecting the Google Calendar connector

    AffectedClaude CodeClaude Coworkclaude.ai

    4 official updates
    1. Resolved10-29 04:05

      The issue affecting the Google Calendar connector on claude.ai, Claude Code, and Claude Cowork has been resolved. Impact occurred from 04:07 PT / 11:07 UTC on October 26 to 11:52 PT / 18:52 UTC on October 28.

    2. Monitoring10-29 03:47

      We are seeing recovery for errors affecting the Google Calendar connector, and error rates have returned to normal levels. We are continuing to monitor with our upstream provider.

    3. Investigating10-29 01:59

      We are continuing to investigate elevated errors affecting the Google Calendar connector, and are working with our upstream provider. We will provide another update as soon as we have more information.

    4. Investigating10-29 00:19

      We are investigating elevated errors affecting the Google Calendar connector. Some requests to list or search calendar events have been failing since October 26. We will provide an update as soon as possible.

    Official incident page
  • Degraded10-28 11:59 – 13:48 · lasted 1h 49m

    Elevated errors affecting the Gmail connector

    AffectedClaude CodeClaude Coworkclaude.ai

    3 official updates
    1. Resolved10-28 13:48

      The issue affecting the Gmail connector on claude.ai, Claude Code, and Claude Cowork has been resolved. Impact occurred from 16:00 PT / 23:00 UTC on October 27 to 22:29 PT on October 27 / 05:29 UTC on October 28.

    2. Investigating10-28 12:00

      We are investigating elevated errors when searching and reading email with the Gmail connector. This issue does not affect other connectors.

    3. Investigating10-28 11:59

      We are investigating elevated errors when searching and reading email with the Gmail connector. This issue does not affect other connectors. We will provide an update as soon as possible.

    Official incident page
  • Partial outage10-27 23:09 – 23:50 · lasted 41 min

    Elevated errors for Claude Sonnet 5.5

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    2 official updates
    1. Resolved10-27 23:50

      The issue affecting claude.ai, the Claude API, Claude Code, and Claude Cowork has been resolved. Impact occurred from 07:42 PT / 14:42 UTC to 08:17 PT / 15:17 UTC.

    2. Identified10-27 23:09

      We are investigating elevated errors on requests to Claude Sonnet 5.5. We will provide an update as soon as possible.

    Official incident page
  • Partial outage10-27 17:14 – 17:56 · lasted 42 min

    Elevated errors for Claude Sonnet 5.5

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    3 official updates
    1. Resolved10-27 17:56

      The issue affecting Claude services has been resolved.

    2. Monitoring10-27 17:38

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

    3. Investigating10-27 17:14

      We are investigating elevated errors on requests to Claude Sonnet 5.5. We will provide an update as soon as possible.

    Official incident page
  • Partial outage10-25 16:17 – 16:49 · lasted 32 min

    Elevated errors for Claude Fable 5.1

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    4 official updates
    1. Resolved10-25 16:49

      The issue affecting Claude services has been resolved. Impact occurred from 01:08 PT / 08:08 UTC to 01:29 PT / 08:29 UTC.

    2. Monitoring10-25 16:30

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

    3. Identified10-25 16:17

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

    4. Investigating10-25 16:17

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

    Official incident page
  • Partial outage10-25 14:14 – 15:53 · lasted 1h 39m

    Elevated errors for Claude Sonnet 5.5 and other models

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    4 official updates
    1. Resolved10-25 15:53

      The issue affecting Claude services has been resolved. Impact occurred from 23:05 PT on October 24 / 06:05 UTC on October 25 to 23:35 PT on October 24 / 06:35 UTC on October 25.

    2. Monitoring10-25 14:35

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

    3. Identified10-25 14:27

      We have identified the cause of elevated errors on requests to Claude Sonnet 5.5 and are working on a fix. We will provide an update as soon as possible.

    4. Investigating10-25 14:14

      We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, Claude Opus 5.5, Claude Sonnet 5.5, and Claude Haiku 5.5. We will provide an update as soon as possible.

    Official incident page
  • Partial outage10-24 13:16 – 13:53 · lasted 37 min

    Elevated errors for Claude Fable 5 and Claude Fable 5.1

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    5 official updates
    1. Resolved10-24 13:53

      The issue affecting Claude services has been resolved. Impact occurred from 22:00 PT on October 23 / 05:00 UTC on October 24 to 22:35 PT on October 23 / 05:35 UTC on October 24.

    2. Monitoring10-24 13:41

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

    3. Identified10-24 13:40

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

    4. Identified10-24 13:24

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

    5. Investigating10-24 13:16

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

    Official incident page
  • Partial outage10-24 08:31 – 08:37 · lasted 6 min

    Elevated errors for Claude Opus 5.5

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    2 official updates
    1. Resolved10-24 08:37

      The issue affecting Claude Opus 5.5 has been resolved. Impact occurred from 17:23 PT on October 23 / 00:23 UTC on October 24 to 17:34 PT on October 23 / 00:34 UTC on October 24.

    2. Investigating10-24 08:31

      We are investigating elevated errors on requests to Claude Opus 5.5. We will provide an update as soon as possible.

    Official incident page
  • Major outage10-24 07:37 – 08:11 · lasted 34 min

    Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    4 official updates
    1. Resolved10-24 08:11

      The issue affecting Claude models has been resolved. Impact occurred from 16:28 PT / 23:28 UTC on October 23 to 16:59 PT / 23:59 UTC on October 23.

    2. Monitoring10-24 07:54

      We are seeing success rates return to normal for all affected models, and are continuing to monitor to ensure no further issues.

    3. Identified10-24 07:39

      We have identified the cause of elevated errors on requests to Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5, as well as fast mode requests to Opus 5.5 and are working on a fix. We will provide an update as soon as possible.

    4. Investigating10-24 07:37

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

    Official incident page
  • Degraded10-22 03:49 – 04:29 · lasted 40 min

    Degraded performance for Claude Fable 5

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    2 official updates
    1. Resolved10-22 04:29

      The issue affecting other Claude models has been resolved.

    2. Investigating10-22 03:49

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

    Official incident page
  • Partial outage10-06 20:24 – 20:43 · lasted 19 min

    Elevated errors for Claude Opus 5.5

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    3 official updates
    1. Resolved10-06 20:43

      The issue affecting Claude Opus 5.5 has been resolved.

    2. Identified10-06 20:37

      We have identified the cause of elevated errors on requests to Claude Opus 5.5 and are working on a fix. We will provide an update as soon as possible.

    3. Investigating10-06 20:24

      We are investigating elevated errors on requests to Claude Opus 5.5. We will provide an update as soon as possible.

    Official incident page
  • Partial outage10-05 21:05 – 21:21 · lasted 16 min

    Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    2 official updates
    1. Resolved10-05 21:21

      The issue affecting Claude Mythos 5.1 and Claude Fable 5.1 has been resolved. Impact occurred from 05:40 PT / 12:40 UTC to 06:10 PT / 13:10 UTC.

    2. Investigating10-05 21:05

      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.

    Official incident page
  • Degraded10-02 00:20 – 06:36 · lasted 6h 16m

    Delayed credits on the Claude Platform

    AffectedClaude API (api.anthropic.com)Claude Console (platform.claude.com)

    3 official updates
    1. Resolved10-02 06:36

      This issue has been resolved.

    2. Monitoring10-02 02:23

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

    3. Investigating10-02 00:20

      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.

    Official incident page

2026-09 9

  • Partial outage09-29 22:21 – 09-30 00:27 · lasted 2h 6m

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

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Console (platform.claude.com)Claude Coworkclaude.ai

    8 official updates
    1. Resolved09-30 00:27

      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.

    2. Monitoring09-29 23:30

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

    3. Monitoring09-29 23:11

      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.

    4. Investigating09-29 23:00

      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.

    5. Investigating09-29 22:41

      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.

    6. Investigating09-29 22:30

      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.

    7. Investigating09-29 22:28

      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.

    8. Investigating09-29 22:21

      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.

    Official incident page
  • Partial outage09-22 08:57 – 10:35 · lasted 1h 38m

    Elevated errors for multiple models

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    5 official updates
    1. Resolved09-22 10:35

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

    2. Monitoring09-22 10:11

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

    3. Identified09-22 09:35

      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. Identified09-22 09:17

      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.

    5. Investigating09-22 08:57

      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.

    Official incident page
  • Partial outage09-15 17:48 – 19:14 · lasted 1h 26m

    Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    4 official updates
    1. Resolved09-15 19:14

      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.

    2. Monitoring09-15 18:50

      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.

    3. Investigating09-15 17:52

      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.

    4. Investigating09-15 17:48

      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.

    Official incident page
  • Partial outage09-11 22:19 – 22:37 · lasted 17 min

    Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    5 official updates
    1. Resolved09-11 22:37

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

    2. Monitoring09-11 22:28

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

    3. Monitoring09-11 22:28

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

    4. Identified09-11 22:21

      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.

    5. Investigating09-11 22:19

      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.

    Official incident page
  • Degraded09-11 05:43 – 07:24 · lasted 1h 41m

    Elevated latency on the Claude API for some users

    AffectedClaude API (api.anthropic.com)Claude Cowork

    2 official updates
    1. Resolved09-11 07:24

      The issue affecting Claude services has been mitigated.

    2. Identified09-11 05:43

      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.

    Official incident page
  • Partial outage09-03 21:26 – 09-04 00:23 · lasted 2h 57m

    Elevated errors for multiple models

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    7 official updates
    1. Resolved09-04 00:23

      The issue affecting Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 has been resolved. Impact has ended as of 9:16 PT / 16:16 UTC.

    2. Monitoring09-04 00:06

      A fix has been deployed for Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 and we are monitoring for recovery.

    3. Identified09-03 23:25

      The only affected models right now are Opus 4.8 and Opus 5. The rest of the models have recovered to baseline error rate.

    4. Identified09-03 22:49

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

    5. Identified09-03 21:50

      An exhaustive list of affected models: Mythos/Fable 5.1, Mythos/Fable 5, Opus 5, Opus 4.8, Opus 4.6.

    6. Identified09-03 21:41

      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.

    7. Investigating09-03 21:26

      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.

    Official incident page
  • Partial outage09-03 20:37 – 20:56 · lasted 19 min

    Elevated errors for Claude Sonnet 5

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    3 official updates
    1. Resolved09-03 20:56

      This incident has been resolved.

    2. Monitoring09-03 20:47

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

    3. Investigating09-03 20:37

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

    Official incident page
  • Partial outage09-03 05:17 – 05:44 · lasted 26 min

    Elevated errors for Claude Sonnet 5

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    2 official updates
    1. Resolved09-03 05:44

      The issue affecting Claude Sonnet 5 has been resolved. Impact occurred from 2:05pm PT / 21:05 UTC to 2:19pm PT / 21:19 UTC.

    2. Investigating09-03 05:17

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

    Official incident page
  • Degraded09-01 03:21 – 04:36 · lasted 1h 14m

    Degraded performance on claude.ai and Claude Code

    AffectedClaude Codeclaude.ai

    2 official updates
    1. Resolved09-01 04:36

      The issue affecting Claude Code has been resolved. Impact occurred from 16∶55 to 19∶16 UTC.

    2. Investigating09-01 03:21

      We are investigating reports of degraded performance affecting Claude in Slack, Claude Code on the web, and Code Review. We will provide an update as soon as possible.

    Official incident page

2026-08 11

  • Partial outage08-29 01:22 – 04:21 · lasted 2h 59m

    Elevated errors on Claude Code and Claude Cowork

    AffectedClaude CodeClaude Cowork

    3 official updates
    1. Resolved08-29 04:21

      The issue affecting Claude Cowork and Claude Code on the web has been resolved.

    2. Monitoring08-29 02:21

      A mitigation has been applied for the issue affecting Claude Cowork and Claude Code on the web, and we are monitoring for recovery. Sessions that disconnected earlier can be retried

    3. Identified08-29 01:22

      We have identified an issue with an upstream cloud provider affecting Claude Cowork and Claude Code on the web. Some sessions may fail to start or disconnect mid-task; affected sessions can be retried. We are in contact with the provider and will provide an update as soon as possible.

    Official incident page
  • Degraded08-25 04:11 – 04:26 · lasted 15 min

    Issues logging into Claude.ai

    AffectedClaude CodeClaude Coworkclaude.ai

    2 official updates
    1. Resolved08-25 04:26

      This issue has been resolved.

    2. Monitoring08-25 04:11

      We have identified and resolved an issue which resulted in errors when attempting to access Claude.ai, including logging in via subscriptions for Claude Code. Errors occurred between 1:00pm (20:00 UTC) through 1:08pm PT (20:08 UTC). We are monitoring closely to ensure no further issues.

    Official incident page
  • Partial outage08-24 13:06 – 16:30 · lasted 3h 24m

    Elevated errors for multiple models

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    5 official updates
    1. Resolved08-24 16:30

      This issue has been resolved. From 9:50pm PT / 04:50 UTC through 00:36am PT / 07:36 UTC, users saw elevated errors on requests to Claude models, including Claude Opus 5 and Fable 5.

    2. Identified08-24 15:47

      At this time, we have seen errors stabilize on Opus 5 and Fable 5, and are working to fully resolve success rates on all affected models. We will provide an update as soon as possible.

    3. Identified08-24 14:42

      We are continuing to work to resolve issues causing elevated requests on multiple models. We will provide an update as soon as possible.

    4. Identified08-24 13:27

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

    5. Investigating08-24 13:06

      We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and Claude Opus 4.8. We will provide an update as soon as possible.

    Official incident page
  • Partial outage08-21 03:16 – 03:42 · lasted 26 min

    Elevated errors on requests to multiple models

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    2 official updates
    1. Resolved08-21 03:42

      This issue has been resolved.

    2. Investigating08-21 03:16

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

    Official incident page
  • Degraded08-21 02:32 – 03:01 · lasted 29 min

    Elevated errors on Google connectors

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    2 official updates
    1. Resolved08-21 03:01

      This issue has been resolved.

    2. Investigating08-21 02:32

      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.

    Official incident page
  • Degraded08-19 17:42 – 19:02 · lasted 1h 20m

    Degraded performance for Claude Opus 5 and Claude Haiku 4.5

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    3 official updates
    1. Resolved08-19 19:02

      This incident has been resolved.

    2. Monitoring08-19 18:33

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

    3. Identified08-19 17:42

      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.

    Official incident page
  • Degraded08-19 00:20 – 03:01 · lasted 2h 41m

    Degraded performance for multiple models

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    5 official updates
    1. Resolved08-19 03:01

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

    2. Monitoring08-19 02:26

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

    3. Investigating08-19 01:12

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

    4. Investigating08-19 00:20

      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.

    5. Investigating08-19 00:20

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

    Official incident page
  • Degraded08-17 21:56 – 23:29 · lasted 1h 33m

    Degraded performance for Claude Opus 5, Claude Sonnet 5

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    4 official updates
    1. Resolved08-17 23:29

      This incident has been resolved.

    2. Monitoring08-17 22:39

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

    3. Investigating08-17 22:25

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

    4. Investigating08-17 21:56

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

    Official incident page
  • Major outage08-17 05:58 – 06:34 · lasted 36 min

    Service disruption on Claude services

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Console (platform.claude.com)Claude Coworkclaude.ai

    4 official updates
    1. Resolved08-17 06:34

      The issue affecting claude.ai, platform.claude.com, the Claude API, Claude Code, and Claude Cowork has been resolved.

    2. Monitoring08-17 06:22

      A fix has been deployed for the issue affecting claude.ai, platform.claude.com, the Claude API, Claude Code, and Claude Cowork and we are monitoring for recovery.

    3. Investigating08-17 06:02

      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. Investigating08-17 05:58

      We are investigating an issue with users authenticating to claude.ai, Claude Code, and Claude Cowork. We will provide an update as soon as possible.

    Official incident page
  • Partial outage08-15 04:30 – 05:58 · lasted 1h 28m

    Service disruption on Claude services

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Cowork

    4 official updates
    1. Resolved08-15 05:58

      The issue affecting the Claude API, Claude Code, and Claude Cowork has been resolved. Impact occurred from 20:14 to 20:38 UTC.

    2. Monitoring08-15 04:44

      A fix has been deployed for the issue affecting the Claude API, Claude Code, and Claude Cowork and we are monitoring for recovery.

    3. Identified08-15 04:44

      We have identified the cause of the issue affecting the Claude API, Claude Code, and Claude Cowork and are working on a fix. We will provide an update as soon as possible.

    4. Investigating08-15 04:30

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

    Official incident page
  • Partial outage08-13 22:33 – 08-14 00:08 · lasted 1h 35m

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

    AffectedClaude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

    3 official updates
    1. Resolved08-14 00:08

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

    2. Investigating08-13 23:44

      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. Investigating08-13 22:33

      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.

    Official incident page