Anthropic outage: Elevated errors for Claude Opus 4.8

1. resolvedMay 29, 2026, 19:12 UTC

   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.

• ReadMe: Refactored Hubs DownMajor · May 28, 2026, 14:35 UTC
• Elasticsearch: Upstream Azure Outage Causing Service DegradationMajor · May 29, 2026, 06:32 UTC
• Snowflake: Azure - West US 2 (Washington): INC0157956Major · May 29, 2026, 06:47 UTC
• Confluent Cloud: Elevated error rates and latencies in Azure westus2 regionMajor · May 29, 2026, 06:47 UTC
• Elasticsearch: Issue creating new projects in AWS ap-southeast-2Major · May 29, 2026, 18:00 UTC
• Twilio: Subset of AU Sender ID Registration Submissions Directly Transitioning to REJECTEDMinor · May 15, 2026, 20:51 UTC
• Akamai: Reporting Issues affecting URL Traffic and URL Responses reportsMinor · May 19, 2026, 10:13 UTC
• OVHcloud: [GRA/RBX/DE][Storage and Backups] - Object Storage Incident NotificationMinor · May 22, 2026, 15:04 UTC
• ClickHouse Cloud: New service provisioning may fail in AzureMinor · May 28, 2026, 18:26 UTC
• Twilio: National Phone Numbers Outside of the US Blocked in 1ConsoleMinor · May 29, 2026, 15:05 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