We are seeing issues with 400 Bad Request on Requests to D1

lowCloudflareSep 1, 2026 08:38Duration: 3h 27m

apiauthentication

Authentication IssueAPI Issue

Summary

This incident has been resolved.

Impact

minor

Timeline

Sep 1, 2026 08:38

[investigating] We are currently investigating this issue.

via statuspage

+4m

Sep 1, 2026 08:42

[investigating] We are continuing to investigate this issue.

via statuspage

+59m

Sep 1, 2026 09:41

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

via statuspage

+2h 25m

Sep 1, 2026 12:05

[resolved] This incident has been resolved.

via statuspage

Lessons Learned

⚠Cloudflare has experienced 367 incidents in the past year. This frequency suggests systemic reliability challenges that may warrant additional monitoring.

📊Incidents related to api, authentication have occurred 1059 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: Authentication Issue, API Issue. Consider implementing preventive measures specific to this failure category.