Claude.ai, API, Claude Code 접속 장애 발생

System Disruption Detected Refreshed: 15:22:43 UTC Identified 2026-04-15 14:53 UTC Elevated errors on Claude.ai, API, Claude Code 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. View Incident Detail arrow_forward Component Status Operational Degraded Outage claude.ai Web Interface 30 days ago 89.51% Uptime Today Degraded platform.claude.com Developer Console 30 days ago 91.40% Uptime Today Degraded Claude API (api.anthropic.com) Backend Systems 30 days ago 91.21% Uptime Today Operational Claude Code CLI Tool 30 days ago 90.88% Uptime Today Degraded Claude Cowork Service 30 days ago 97.74% Uptime Today Operational Claude for Government Government Cloud 30 days ago 97.44% Uptime Today Operational Reliability Insights 7D 14D 30D 93.03 % Uptime Global Latency — refresh Loading latency data… × Report an Issue Category Outage High Latency Description 0 / 80 Submit Cancel Report submitted. Thank you! Historical Events April 15, 2026 14:53 UTC Identified Elevated errors on Claude.ai, API, Claude Code Identified: 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. Identified: The issue has been identified and a fix is being implemented. Investigating: We are continuing to investigate this issue. Investigating: We are seeing increased errors on Claude.ai, API, and Claude Code April 14, 2026 09:24 UTC Resolved Degraded service on usage and analytics admin API endpoints Resolved: This incident has been resolved. Monitoring: A fix has been implemented and we are monitoring the results. Identified: 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. Investigating: We are investigating reports of degraded performance affecting the usage and analytics admin API endpoints. We will provide an update as soon as possible. April 13, 2026 15:40 UTC Resolved Claude.ai down Resolved: We have resolved the issue resulting in elevated errors on login for Claude.ai and Claude Code betwen 15:31 to 16:19 UTC. Identified: 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. Investigating: We are continuing to investigate elevated errors on Claude.ai, primarily affecting login. We will provide an update as soon as possible. Investigating: We are currently investigating this issue. April 11, 2026 00:00 UTC Resolved Email login down Resolved: Email login was broken between approximately 3:46 PM and 4:52 PM PDT on April 10, 2026. April 10, 2026 16:30 UTC Resolved Elevated errors on requests to Claude models Resolved: The issue affecting requests to non-Opus models has been resolved. Identified: 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. Investigating: We are investigating reports of elevated errors on requests to Claude across all products. We will provide an update as soon as possible. 14:00 UTC Resolved Some Claude.ai share links were inaccessible Resolved: Between April 2 and April 10, some users who were not signed in to Claude.ai (web, mobile, desktop) were not able to access some Claude.ai sharing links. 04:28 UTC Resolved Degraded Performance on Vaults Resolved: This incident has been resolved. Monitoring: A fix has been implemented and we are monitoring the results. Investigating: We are currently investigating this issue. April 9, 2026 16:54 UTC Resolved Elevated Connector Error Rates Resolved: This incident has been resolved. Monitoring: A fix has been implemented and we are monitoring the results. Investigating: Certain connectors are experiencing higher error rates. We are investigating the issue. 08:07 UTC Resolved Sonnet 4.6 elevated rate of errors Resolved: This incident has been resolved. Identified: The issue has been identified and a fix is being implemented. April 8, 2026 23:57 UTC Resolved Errors when connecting to Claude.ai Resolved: Some users experienced an error when trying to access Claude.ai on desktop and the web from 23:22–23:50 UTC. This issue has now been resolved. 19:22 UTC Resolved Outage affecting Workspace Creation Resolved: The issue affecting API workspace creation has been resolved. Impact occurred from approximately 4:15 PM to 7:30 PM UTC. Monitoring: A fix has been deployed for the issue affecting API workspace creation and we are monitoring for recovery. Investigating: We are investigating errors related to creating workspaces via the Claude Console at platform.claude.com and via the admin API Other functionality including inference and the messages API is not impacted 17:46 UTC Resolved Elevated errors on Claude.ai, API, Claude Code Resolved: From 17:25–17:44 UTC, we saw elevated errors on attempts to log into Claude.ai (mobile, web, and desktop) and platform.claude.com, as well as /login attempts via Claude Code. This issue is now resolved. Investigating: We are currently investigating an issue with authentication across multiple product surfaces. 06:23 UTC Resolved Sonnet 4.6 elevated rate of errors Resolved: The incident is now resolved. Sonnet 4.6 exhibited errors above baseline between 23:00 PT / 7:00 UTC and 1:50 PT / 9:50 UTC. Monitoring: A fix has been implemented and we are monitoring the results. Identified: The issue has been identified and a fix is being implemented. Investigating: We are continuing to investigate this issue. April 7, 2026 14:32 UTC Resolved Elevated errors on Claude.ai Resolved: 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. Monitoring: 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. Identified: 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. April 6, 2026 21:26 UTC Resolved Sonnet 4.6 elevated rate of errors Resolved: This incident has been resolved. Investigating: We are currently investigating this issue. 15:45 UTC Resolved Elevated errors on Claude.ai Resolved: From 15:00–16:30 UTC on April 6, we saw elevated errors on login for Claude.ai and Claude Code. This issue also affected some Claude.ai conversations and other product functionality such as voice mode. This issue is now resolved. Monitoring: We have applied a fix, and are seeing success rates recover across affected services. We are continuing to monitor to ensure there is no recurrence of issues. Identified: We are continuing to work on a fix for this issue. Identified: This issue additionally affects login on other surfaces, such as Claude.code. April 4, 2026 17:30 UTC Resolved Sonnet 4.6 and Opus 4.6 elevated error rate Resolved: Between 10:09 and 10:31 PDT, Sonnet 4.6 and Opus 4.6 experienced elevated error rates across most product surfaces. April 3, 2026 18:12 UTC Resolved Elevated errors on requests to Claude Sonnet 4.6 Resolved: This incident has been resolved. Investigating: 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. April 1, 2026 22:15 UTC Resolved Errors on the Claude.ai desktop applicat