The following auth operations have limitations on the frequency you can perform
them. Contact
a few weeks in advance
to discuss special use cases.
Daily Instrumentless Usage Limits
The following limits are daily usage limits for users of
These usage limits correspond directly to
Google Cloud Pricing Tiers.
Usage
Instrumentless Limit
Tier 1 Daily Active Users
3000 per day
Tier 2 Daily Active Users
2 per day
Account creation and deletion limits
Operation
Limit
New account creation
100 accounts/hour for each IP address
Account deletion
10 accounts/second
Batch account deletion
1 request/second
Account configuration updates
10 requests/second
Account limits
Account type
Limit
Anonymous user accounts
100 million
Registered user accounts
Unlimited
Phone number sign-in limits
Operation
Limit
User sign-ins
1600/minute, as well as the pricing and limits specified on the
Verification code SMS messages
Verification requests
150 requests/IP address/hour
Verification SMS sending limits
Operation
Limit
Verification SMS sent.
1,000 sent/minute
Verification SMS sent per IP address
50 sent/minute, 500 sent/hour
Additionally, there is a limit on the number of verification SMS messages a project
can send to a single phone number within a set amount of time. You can test with fictional numbers or
across multiple devices to ensure a project does not exceed these limits.
Additionally, you can track verification codes sent per phone number if you've enabled
Activity Logging on your project.