Outage in Anthropic
Degraded performance for API requests involving structured outputs.
Resolved MinorIncident Report
We are currently investigating a performance issue affecting API requests that use structured outputs and strict tool use.
Components affected
Anthropic api.anthropic.comNeed to monitor Anthropic outages?
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Latest Updates ( sorted recent to last )
RESOLVED
about 2 months ago - at 01/10/2026 06:38AM
We've deployed a fix to resolve the issue.
IDENTIFIED
about 2 months ago - at 01/10/2026 04:40AM
This issue has been identified and we're working on a fix.
INVESTIGATING
about 2 months ago - at 01/10/2026 03:37AM
We are continuing to investigate this issue.
INVESTIGATING
about 2 months ago - at 01/10/2026 03:37AM
We are currently investigating a performance issue affecting API requests that use structured outputs and strict tool use.
Latest Anthropic outages
Outage in Usage Reporting - about 15 hours ago
Elevated errors on Claude Sonnet 4.6 - about 16 hours ago
Elevated errors on Claude Haiku 4.5 - about 17 hours ago
Elevated errors on Claude Opus 4.6 - 1 day ago
Errors with login on claude code - 1 day ago
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