Claude incident: Elevated errors on Claude Sonnet 5

Affected components

• Claude API (api.anthropic.com)
• Claude Code
• Claude Console (platform.claude.com)
• claude.ai

1. resolvedAug 4, 2026, 06:55 UTC

   This incident has been resolved.

2. monitoringAug 4, 2026, 06:28 UTC

   A fix has been implemented and we are monitoring the results.

3. investigatingAug 4, 2026, 06:16 UTC

   We are currently investigating this issue.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Claude'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.

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• Twilio: SMS Delivery Delays and Failures from Twilio to Unitel AngolaMinor · Jul 29, 2026, 22:49 UTC
• Supabase: Management API Performance DegradationMinor · Jul 31, 2026, 18:36 UTC
• Twilio: SMS Delivery Delays from Twilio to Econet BurundiMinor · Aug 3, 2026, 06:01 UTC
• Supabase: Project Upgrade DelaysMinor · Aug 3, 2026, 15:28 UTC
• Twilio: SMS Delivery Delays From Twilio Short Codes, Long Codes, and Toll-Free Numbers to Bell CanadaMinor · Aug 3, 2026, 19:32 UTC
• Twilio: SMS Delivery Delays from a Subset of Twilio Short Codes to Multiple Networks in United StatesMinor · Aug 3, 2026, 23:56 UTC
• Twilio: SMS Delivery Delays and Failures from Twilio to Lancelot BV NetherlandsMinor · Aug 4, 2026, 03:30 UTC
• Twilio: SMS Delivery Delays from Twilio to Telenor PakistanMinor · Aug 4, 2026, 06:32 UTC

How often does Claude have incidents?

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