Anthropic Outage History

Anthropic reported a brief degradation affecting Claude.ai connectors, with elevated errors when establishing new connections. The issue began at Feb 3, 2026 6:43 PM UTC and was resolved by Feb 3, 2026 8:48 PM UTC.

The provider issued two status updates during the incident, outlining an investigation and then restoration of normal service for the Claude.ai component.

Anthropic Claude API experienced an outage with an elevated error rate across all Claude models. Users attempting to access Claude services encountered errors and degraded functionality during the incident. The outage began at 3:48 PM UTC and was resolved by 4:08 PM UTC, lasting about 20 minutes. The issue affected four components: platform.claude.com, claude.ai, Claude API (api.anthropic.com), and Claude Code.

The Claude status page posted two updates during the incident: the initial notice of an elevated API error rate and ongoing fix, followed by a confirmation of restoration. The issue impacted four components with user reports spiking across geographies, indicating broad impact across regions.

The Claude Opus 4.5 suite experienced a brief degraded performance incident affecting Claude API (api.anthropic.com), platform.claude.com, claude.ai, and Claude Code. Users attempting to access these components may have encountered errors or slower responses. The outage lasted about 5 minutes, beginning at 11:18 PM UTC and ending at 11:23 PM UTC.

Anthropic posted two official status updates during the incident, noting an investigation and eventual restoration as the services returned to normal. A small number of user reports were observed during the event, and all listed components were reported back to normal by the end of the incident.

Anthropic Claude faced a brief degraded experience related to credit purchases, with delays in updating credits and some charged purchases not reflecting immediately. The issue affected two Claude services: platform.claude.com and claude.ai. The incident began at Feb 1, 2026 10:03 PM UTC when the Claude status page moved to a degraded state, and users reported writing-related glitches during the period.

The Claude status page posted two updates as engineers investigated the issue. The status transitioned from up to warn at Feb 1, 2026 10:03 PM UTC and returned to up at Feb 1, 2026 11:48 PM UTC, lasting approximately 1 hour 45 minutes. The issue was contained to the credit purchase flow and did not indicate a broader platform outage across other Claude services.

Anthropic Claude Sonnet 4.5 experienced elevated errors starting Feb 1, 2026 11:36 AM UTC, impacting four Claude components: platform.claude.com, claude.ai, Claude API (api.anthropic.com), and Claude Code. Users interacting with Claude services may have encountered errors or degraded responses. The status page showed a degraded state at Feb 1, 2026 11:48 AM UTC and services returned to normal at Feb 1, 2026 12:38 PM UTC, lasting about 1 hour and 2 minutes. The provider issued 2 official status updates during the incident.

Claude Opus 4.5 experienced elevated errors, leading to degraded access for users across four components: platform.claude.com, claude.ai, Claude API (api.anthropic.com), and Claude Code. The incident began at Feb 1, 2026 10:58 AM UTC and was resolved by Feb 1, 2026 11:43 AM UTC, lasting approximately 45 minutes.

The Claude team issued 2 status updates during the incident. The updates first noted elevated errors and ongoing investigation, followed by confirmation that all components had returned to normal.

Some users experienced memory leaks in Claude Code 2.0.27, which could cause increased memory usage and degraded performance. Anthropic identified the problem and stated that a fix was in progress, with details linked in GitHub issue #22042.

The issue was limited to the Claude Code component and lasted about 45 minutes, from Jan 31, 2026 8:23 PM UTC to Jan 31, 2026 9:08 PM UTC. Anthropic posted two official updates during the incident, and Claude Code returned to normal after the final update at Jan 31, 2026 9:08 PM UTC.

Some users attempting to purchase additional API credits on Anthropic Claude's platform.claude.com experienced issues, resulting in a brief degradation of the purchase flow. The incident affected the Claude console platform and lasted about 1 hour and 30 minutes. The provider issued two status updates during the outage, first listing the issue as a problem under investigation and later confirming recovery as the service returned to normal operation. The outage began at Jan 29, 2026 7:13 PM UTC and was resolved by Jan 29, 2026 8:43 PM UTC.

On Jan 28, 2026 1:53 PM UTC, Anthropic Claude Opus 4.5 began experiencing elevated errors, listing four components as degraded: platform.claude.com, claude.ai, Claude API (api.anthropic.com), and Claude Code. Users attempting to use Claude services may have encountered errors or slower responses during this period. The incident was described on Claude's status page as a repeat of an earlier issue that day.

The Claude status page issued 2 updates during the event, and services returned to normal by 2:18 PM UTC. The outage lasted approximately 25 minutes.

Anthropic Claude Opus 4.5 experienced elevated errors beginning at 11:33 AM UTC across Claude platform services, including platform.claude.com, claude.ai, Claude API (api.anthropic.com), and Claude Code. Users reported API errors and internal server errors (500s), impacting access to the Claude UI and API-based workflows. The outage lasted approximately 1 hour before services returned to normal.