Firebase Phone Number Verification observability

Firebase PNV integrates with Cloud Monitoring.

Google Cloud Monitoring

Firebase PNV exports a single metric, fpnv.googleapis.com/verification_count, with the labels method, outcome, region_code, and platform:

Metric type Launch stage(Resource hierarchy levels)
Display name
Kind, Type, Unit
Monitored resources
Description
Labels
fpnv.googleapis.com/verification_count BETA(project)
Firebase Phone Number Verification Metrics
DELTAINT641
fpnv.googleapis.com/Project
Number of phone number verification attempts.
method: Verification method used. Always API.
outcome: The outcome of the verification attempt (SUCCESS, FAILURE, QUOTA_EXCEEDED, BACKEND_ERROR).
region_code: The two-letter region code for the phone number.
platform: The platform where verification was requested.