Anthropic Outage History

The Claude platform from Anthropic experienced a brief degraded period beginning at 3:53 PM UTC with elevated errors on Claude 4 Sonnet. The issue impacted multiple Claude components, including claude.ai, the API at api.anthropic.com, the web console at console.anthropic.com, and Claude Code, resulting in errors or degraded usability for users during the incident. The Claude status page indicated the issue and that investigators were examining the cause, with the affected services listed as four components.

Anthropic Claude 4 Sonnet experienced elevated errors across multiple Claude services. The issue began at 6:55 AM UTC and prompted an investigation, with the status page updating to Investigating at Jul 25, 2025 7:13 AM UTC. The outage affected four components—claude.ai, console.anthropic.com, api.anthropic.com, and Claude Code—and lasted about 9 hours and 43 minutes before operators restored normal functionality by 4:38 PM UTC. The Claude team issued two status updates during the incident.

Anthropic experienced a brief degradation across Claude endpoints as elevated errors affected Sonnet and Opus 4. The issue began around 5:26 AM UTC and persisted for about 22 minutes, impacting claude.ai, console.anthropic.com, api.anthropic.com, and Claude Code.

Status communications indicated a rapid investigation, with the status changing to warn at 5:28 AM UTC before returning to normal at 5:48 AM UTC. The provider issued two status updates during the incident.

Anthropic experienced a brief degraded performance across core endpoints beginning around 1:50 AM UTC, with the status moving to degraded at Jul 25, 2025 1:53 AM UTC. The incident affected four components: claude.ai, console.anthropic.com, api.anthropic.com, and Claude Code, impacting interactions with Claude AI, the web console, API access, and Claude Code features. The issue lasted a little over an hour and was resolved by 3:13 AM UTC.

The provider issued two status updates during the incident, noting elevated errors on Sonnet and Opus 4 and later restoring services to normal.

The incident began around Jul 24, 2025 2:00 PM UTC with Claude Sonnet 4 batches API reporting limited availability, causing longer processing times and higher risk of batch expiration. The impact later extended to the Google Drive connector, affecting Claude.ai and related components such as the Claude Console and Claude Code. Throughout the event, Status updates tracked the progression from initial degradation to partial outages, with multiple components affected (including api.anthropic.com, claude.ai, console.anthropic.com and Claude Code). User reports described API errors and degraded connectivity, including at least one report from Milwaukee describing API issues. Seven official status updates were issued over the course of the incident, reflecting ongoing investigation and remediation efforts.

Claude 4 services including claude.ai, console.anthropic.com, api.anthropic.com, and Claude Code experienced errors that caused degraded performance and intermittent access. The incident began at Jul 23, 2025 9:53 PM UTC and persisted until Jul 23, 2025 11:13 PM UTC. An update noting ongoing investigation was issued at Jul 23, 2025 9:49 PM UTC before the issue was resolved.

Anthropic Claude 4 Sonnet experienced a brief period of elevated errors across Claude AI, the Console, API, and Claude Code components. Users attempting to use Claude 4 Sonnet likely saw errors or degraded performance during the incident. The issue began at 7:07 PM UTC and affected multiple endpoints for about 31 minutes until 7:38 PM UTC.

The Claude status page documented the problem with updates starting at Jul 23, 2025 7:23 PM UTC noting elevated errors, and services returning to normal by 7:38 PM UTC. In total, two status updates were published during the incident, with Claude 4 Sonnet components returning to full operation afterward.

The Anthropic Claude service experienced a brief degraded performance affecting claude.ai due to MCP tool call errors, including messages like 'Error executing code: Cannot convert undefined or null to object.' The incident began at Jul 23, 2025 4:28 PM UTC and was resolved by Jul 23, 2025 5:53 PM UTC. The status page documented an investigation and a transition from a normal state to degraded, followed by a return to normal once the issue was resolved. In total, the provider issued 2 status updates during the incident.

Anthropic Claude 4 Sonnet experienced elevated errors beginning at 13:04 UTC, prompting an investigation. The issue affected four Claude 4 Sonnet components—claude.ai, console.anthropic.com, api.anthropic.com, and Claude Code—causing some user interactions to fail or return degraded responses.

An outage briefly affected Anthropic's Claude 4 Sonnet, with elevated errors leading to degraded performance across Claude AI, the Console, the API, and Claude Code. The issue began around 9:06 AM UTC and lasted about 22 minutes, with services restored by 9:28 AM UTC. The Claude-related components involved were claude.ai, console.anthropic.com, api.anthropic.com, and Claude Code, and users may have experienced errors during the window. The provider posted 2 status updates during the incident, noting an investigation and then confirming restoration.