API Authentication with Auth0 If you need to authenticate machine-to-machine API calls you can roll your own or use an identity provider like Auth0.
Setting Log Message Status in Google Cloud Logs From Nodejs If you're using Cloud Run or Cloud Functions on GCP you have probably use Cloud Logging to see error message or other output from your applications. Ifwant to have more control over how your log messages are flagged in you Nodejs applications, try the npm package @google-cloud/logging.