Firebase Status Dashboard

This page provides status information on the services that are part of Firebase. Check back here to view the current status of the services listed below. If you are experiencing an issue not listed here, please contact Support. Learn more about what's posted on the dashboard in this FAQ. For additional information on these services, please visit https://firebase.google.com/.

NOTE

For incidents related to Cloud Functions, Cloud Firestore and Cloud Storage, please see Cloud Service Health. For incidents related to Google Analytics, please see Ads Status Dashboard.

Incident affecting Hosting

Firebase Hosting returning unexpected 431 errors on some POST requests to Firebase Functions rewrites

Incident began at 2025-12-20 09:00 and ended at 2026-01-06 12:30 (all times are US/Pacific).

Date Time Description
6 Jan 2026 11:29 PST

The Firebase Hosting team is currently rolling out a fix. It should be available globally within a few hours.
6 Jan 2026 09:34 PST

POST requests against Firebase Hosting Sites with rewrites to Firebase Fuctions can occasionally return unexpected 431 errors.