Changes / Anthropic / Service disruption on Claude services

Anthropic: Critical incident: Service disruption on Claude services

Summary

Anthropic reported a critical disruption involving authentication issues and degraded performance across claude.ai, Claude API, Claude Code, Claude Console, and Claude Cowork. It started at 2026-08-16 21:58 UTC and was resolved at 2026-08-16 22:34 UTC, lasting 35 min; a fix was deployed at 22:22 UTC.

Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.

Major incidentLabel: outage (model (Jev), 99%)Changed Detected Source: stspg.io

What changed

AddedTitle#1
Before: not present
After: Service disruption on Claude services
AddedImpact#2
Before: not present
After: critical
AddedStatus#3
Before: not present
After: resolved
AddedStart time#4
Before: not present
After: 2026-08-16 21:58 UTC
AddedResolved time#5
Before: not present
After: 2026-08-16 22:34 UTC
AddedAffected components#6
Before: not present
After: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Console (platform.claude.com), Claude Cowork
AddedUpdateinvestigating#7
Before: not present
After: 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.
AddedUpdateinvestigating#8
Before: not present
After: 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.
AddedUpdatemonitoring#9
Before: not present
After: 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.
AddedUpdateresolved#10
Before: not present
After: The issue affecting claude.ai, platform.claude.com, the Claude API, Claude Code, and Claude Cowork has been resolved.

First version of this incident archived by Rewindex. View the live incident.

History of this incident

When (UTC)ChangeKind
Critical incident: Service disruption on Claude services (this change)
Anthropic reported a critical disruption involving authentication issues and degraded performance across claude.ai, Claude API, Claude Code, Claude Console, and Claude Cowork. It started at 2026-08-16 21:58 UTC and was resolved at 2026-08-16 22:34 UTC, lasting 35 min; a fix was deployed at 22:22 UTC.
Major incident

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