Google has published their full incident report on https://status.cloud.google.com/incidents/ow5i3PPK96RduMcb1SsW
We are sharing it also here for your convenience:
Incident Report
Summary
Google Cloud, Google Workspace and Google Security Operations products experienced increased 503 errors in external API requests, impacting customers.
We deeply apologize for the impact this outage has had. Google Cloud customers and their users trust their businesses to G...