Anthropic outage: Elevated errors on several models

1. resolvedJul 21, 2026, 18:18 UTC

   From 8:28am PT / 15:28 UTC through 9:26am PT / 16:26 UTC users experienced elevated errors on requests to multiple Claude models. This issue has been resolved.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Anthropic's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Claude: Service disruption on Claude servicesCritical · Jul 21, 2026, 17:40 UTC
• Elasticsearch: Elastic Cloud - Email MFA Delivery Delays (Gmail)Major · Jul 21, 2026, 09:36 UTC
• Claude: Elevated errors on Haiku 4.5Major · Jul 21, 2026, 13:04 UTC
• Elasticsearch: Metering issue with Elastic Cloud Hosted DeploymentsMajor · Jul 21, 2026, 14:24 UTC
• LaunchDarkly: LaunchDarkly is operational but customer action may be requiredMinor · Jul 10, 2026, 16:00 UTC
• Akamai: Application Load Balancer reporting availability issuesMinor · Jul 16, 2026, 04:21 UTC
• Twilio: Voice Call Failures from Twilio Phone Numbers to Reliance Jio IndiaMinor · Jul 17, 2026, 15:54 UTC
• Twilio: SMS Delivery Failures from a Subset of Twilio Short Codes to Altan Redes MexicoMinor · Jul 20, 2026, 04:35 UTC
• Twilio: SMS Delivery Failures from Twilio to Access MalawiMinor · Jul 20, 2026, 19:32 UTC
• Tailscale: Control D Integration IssuesMinor · Jul 21, 2026, 13:43 UTC

How often does Anthropic have incidents?

Anthropic reported 85 incidents in the last 90 days, 32 of them major or critical. A typical incident lasted 1h 7m. See Anthropic's uptime and incident history