Outage in Firebase
Firebase Hosting custom domains API returning 501 errors
Resolved Minor
July 31, 2026 - Started 23 days ago
- Lasted about 11 hours
Incident Report
Summary AI Generated
Firebase Hosting's custom domain management API experienced elevated 501 "unimplemented" errors for approximately 11 hours. The issue was limited to the control plane, with the data plane remaining unaffected during the incident. The engineering team investigated and resolved the problem without impact to live hosted sites.
The engineering team is investigating elevated 501 "unimplemented" errors seen in Hosting's API when managing custom domains. It does not appear at this time that the data plane is effected.
Components affected
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