Anthropic Outage History

Anthropic experienced a brief degraded performance affecting Claude 4 Sonnet and related services. The issue began around 6:00 AM UTC with elevated errors, and the status page listed a degraded state starting at 6:18 AM UTC. The problem impacted four components: claude.ai, api.anthropic.com, console.anthropic.com, and Claude Code, and was resolved by 6:48 AM UTC after about 30 minutes of disruption.\n\nAnthropic communicated via two status updates during the incident, noting the ongoing investigation and later confirming restoration of services. The updates were issued at Jul 23, 2025 6:18 AM UTC and Jul 23, 2025 6:48 AM UTC respectively.

Anthropic Claude Sonnet 4 experienced elevated errors starting around 6:13 PM UTC, affecting Claude services including console.anthropic.com, api.anthropic.com, Claude Code, and claude.ai. Users attempted to use Claude Sonnet 4 features and encountered API errors and overloaded responses (e.g., 529 errors). The disruption appeared North America–focused, with reports from the United States and Canada, and lasted about 1 hour and 5 minutes before services returned to normal by 7:18 PM UTC. The incident generated a noticeable uptick in user reports mid-incident across multiple regions.

Anthropic Claude experienced a brief degraded performance with elevated errors affecting claude.ai and the console.anthropic.com component. Users attempting to interact with Claude AI or access the management console reported issues, while overall user reporting remained limited. The incident began around Jul 22, 2025 1:34 PM UTC with ongoing investigation, and the services remained degraded until 5:28 PM UTC, lasting approximately 3 hours and 54 minutes. Two components were affected: claude.ai and console.anthropic.com.

Anthropic Claude 4 Sonnet endpoints experienced elevated errors for a brief period, impacting multiple components including api.anthropic.com (Beta Features and general API), console.anthropic.com, Claude Code, and claude.ai. Users attempting to use Claude 4 Sonnet services may have encountered failed requests or degraded performance. The issue began at 10:48 PM UTC and was resolved by 11:13 PM UTC, lasting about 25 minutes. The provider issued two status updates during the incident to communicate the degraded state and restoration.

Anthropic's Claude Sonnet 3.5 API endpoint api.anthropic.com experienced brief elevated errors that may have caused intermittent API request failures. The Claude status page showed the issue while investigators worked to identify the cause, with the affected component labeled as api.anthropic.com.

The incident began at 9:33 PM UTC and was resolved by 9:38 PM UTC, lasting roughly 5 minutes. The status page documented two official updates during the event, indicating ongoing investigation and, shortly after, restoration of normal service on the API endpoint.

Anthropic Claude experienced an outage affecting Claude 4 Sonnet across multiple delivery paths, including claude.ai, Claude Code, console.anthrop ic.com, and api.anthropic.com. The issue began at 6:15 AM UTC and produced API errors and unresponsive interfaces for users relying on Claude’s models and tooling. The incident prompted three official status updates as the page moved from elevated errors (warn) to a full outage before restoration.

Timeline and scope: The Claude status page shows transitions from warn to down and back up, with updates at Jul 21, 2025 7:13 AM UTC, Jul 21, 2025 7:28 AM UTC, and Jul 21, 2025 8:58 AM UTC. The outage affected four components: claude.ai, Claude Code, console.anthropic.com, and api.anthropic.com, and the service was fully restored by Jul 21, 2025 8:58 AM UTC. The incident lasted roughly 2 hours and 43 minutes.

Anthropic experienced a brief outage affecting Claude Code, with elevated errors on requests to Claude 4 Opus via Claude Code. The disruption appeared to be limited to Claude Code, while related services showed degraded status. The outage lasted approximately 7 minutes, from 9:46 PM UTC to 9:53 PM UTC.

Anthropic Claude.ai Connectors experienced an extended period of intermittent connectivity beginning at 11:33 PM UTC and ending at 5:13 PM UTC, with degraded user experience when attempting to connect to Claude.ai Connectors. The outage impacted workflows relying on Claude.ai Connectors, causing intermittent failures over the duration. The incident spanned roughly 17 hours and 40 minutes and included two official status updates from Anthropic during the investigation. The Claude.ai team identified the root cause and deployed a fix, after which Claude.ai Connectors returned to normal.

The Anthropic Claude service experienced a brief outage affecting Sonnet and Opus models, with elevated errors when handling requests. Users reported API failures and UI access issues across claude.ai, api.anthropic.com (including Beta Features), console.anthropic.com, and Claude Code. The outage began at Jul 17, 2025 9:18 PM UTC and was resolved by Jul 17, 2025 9:43 PM UTC, lasting roughly 25 minutes.

The incident affected two components: Claude Code and api.anthropic.com. Claude Code went down and api.anthropic.com entered a degraded state, causing interruptions for developers and API users. The outage began at Jul 17, 2025 4:53 AM UTC and was resolved by Jul 17, 2025 5:38 AM UTC, lasting roughly 45 minutes. Reports from multiple regions indicated a broad impact on workflows relying on Claude Code and API access. The provider noted investigation starting around Jul 17, 2025 4:48 AM UTC and issued updates as the issue progressed, with two status changes in total during the incident.

During the incident, status updates showed Claude Code down and api.anthropic.com degraded before recovery. By Jul 17, 2025 5:38 AM UTC, Claude Code was back online and api.anthropic.com had returned to full service.