Anthropic outage: Elevated errors across many models

Affected components

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

1. resolvedJul 30, 2026, 10:48 UTC

   This incident has been resolved.

2. monitoringJul 30, 2026, 10:23 UTC

   We are also investigating issues with Opus 4.7 and Opus 4.5.

3. monitoringJul 30, 2026, 10:03 UTC

   As of 2:58 PT / 9:58 UTC the errors are back to baseline.

4. identifiedJul 30, 2026, 08:33 UTC

   As of 01:33 PT / 08:33 UTC we are back to errors across all models.

5. identifiedJul 30, 2026, 08:06 UTC

   As of 8:05 UTC / 1:05 PT, Sonnet 5 errors are back to baseline, but we're seeing an increased error rate on Fable 5.

6. identifiedJul 30, 2026, 07:33 UTC

   As of 7:32 UTC / 0:32 PT, Opus 5 errors are back to baseline but we're seeing again Sonnet 5's errors up.

7. identifiedJul 30, 2026, 06:26 UTC

   All models except Opus 5 have recovered. We're working to recover Opus 5 as well.

8. investigatingJul 30, 2026, 05:57 UTC

   We are currently investigating this issue.

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.

• RevenueCat: Newly created apps error with "The key is not valid or is not compatible with the Bundle ID of your app"Minor · Jul 27, 2026, 10:14 UTC
• DigitalOcean: Response Degradation Impacting Kimi-K3Minor · Jul 29, 2026, 17:56 UTC
• Expo: Elevated latency for EAS Update manifest requestsMinor · Jul 30, 2026, 06:19 UTC
• Datadog: Delayed Evaluation of Service Check monitorsMinor · Jul 30, 2026, 07:44 UTC
• GitHub: Copilot model Claude Fable 5 experiencing elevated errorsMinor · Jul 30, 2026, 09:07 UTC

How often does Anthropic have incidents?

Anthropic reported 47 incidents in the last 90 days, 21 of them major or critical. A typical incident lasted 1h 4m. See Anthropic's uptime and incident history