Elevated errors on several models

criticalAnthropicClaude APIJul 21, 2026 15:35Duration: 2h 44m

api

API Issue

Summary

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.

Impact

critical

Timeline

Jul 21, 2026 15:35

[investigating] We are currently investigating this issue.

via statuspage

+17m

Jul 21, 2026 15:51

[identified] The issue has been identified and a fix is being implemented.

via statuspage

+1h 16m

Jul 21, 2026 17:07

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

via statuspage

+1h 11m

Jul 21, 2026 18:18

[resolved] 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.

via statuspage

Lessons Learned

⚠Anthropic has experienced 178 incidents in the past year. This frequency suggests systemic reliability challenges that may warrant additional monitoring.

📊Incidents related to api have occurred 759 times across all providers in the past year. This is one of the most common failure categories in cloud infrastructure.

💡This incident is categorized as: API Issue. Consider implementing preventive measures specific to this failure category.