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Quotas and limits | IAM Documentation

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This page lists the quotas and limits that apply to Identity and Access Management (IAM). Both quotas and limits can restrict the number of requests that you can send or the number of resources that you can create. Limits can also restrict a resource's attributes, such as the length of the resource's identifier.

If a quota is too low to meet your needs, you can use the Google Cloud console to request a quota adjustment for your project. If the Google Cloud console does not let you request a change for a specific quota, contact Google Cloud support.

Limits cannot be changed.

Quotas

By default, the following IAM quotas apply to every Google Cloud project, with the exception of Workforce Identity Federation and Privileged Access Manager quotas. Workforce Identity Federation quotas apply to organizations.

Privileged Access Manager quotas are applicable on both projects and organizations, and are charged as follows depending on the target of the call:

Default quotas IAM v1 API Read requests (for example, getting an allow policy) 6,000 per project per minute Write requests (for example, updating an allow policy) 600 per project per minute IAM v2 API Read requests (for example, getting a deny policy) 5 per project per minute Write requests (for example, updating a deny policy) 5 per project per minute IAM v3 API Read requests (for example, getting a principal access boundary policy) 5 per project per minute Write requests (for example, updating a principal access boundary policy) 5 per project per minute Workload Identity Federation Read requests (for example, getting a workload identity pool) 600 per project per minute
6,000 per client per minute Write requests (for example, updating a workload identity pool) 60 per project per minute
600 per client per minute Workforce Identity Federation Create/delete/undelete requests 60 per organization per minute Read requests (for example, getting a workforce identity pool) 120 per organization per minute Update requests (for example, updating a workforce identity pool) 120 per organization per minute Subject delete/undelete requests (for example, deleting a workforce identity pool subject) 60 per organization per minute Number of workforce identity pools 100 per organization Workforce OAuth applications Create/read/update/delete/undelete requests 60 per project per minute Service Account Credentials API Requests to generate credentials 60,000 per project per minute Requests to sign a JSON Web Token (JWT) or blob 60,000 per project per minute Security Token Service API Exchange token requests (non-workforce identity federation) 6,000 per project per minute Exchange token requests (Workforce Identity Federation) 1,000 per organization per minute Service accounts Number of service accounts 100 per project Privileged Access Manager API Entitlement write requests (for example, creating, updating, or deleting an entitlement) 100 per project per minute
100 per organization per minute CheckOnboardingStatus requests 300 per project per minute
900 per organization per minute ListEntitlements requests 600 per project per minute
1800 per organization per minute SearchEntitlements requests 600 per project per minute
1800 per organization per minute GetEntitlement requests 3000 per project per minute
9000 per organization per minute ListGrants requests 600 per project per minute
1800 per organization per minute SearchGrants requests 600 per project per minute
1800 per organization per minute GetGrant requests 3000 per project per minute
9000 per organization per minute CreateGrant requests 200 per project per minute
600 per organization per minute ApproveGrant requests 200 per project per minute
600 per organization per minute DenyGrant requests 200 per project per minute
600 per organization per minute RevokeGrant requests 300 per project per minute
900 per organization per minute GetOperation requests 600 per project per minute
1800 per organization per minute ListOperations requests 300 per project per minute
900 per organization per minute Limits

IAM enforces the following limits on resources. These limits cannot be changed.

Limits Custom roles Custom roles for an organization1 300 Custom roles for a project1 300 ID of a custom role 64 bytes Title of a custom role 100 bytes Description of a custom role 300 bytes Permissions in a custom role 3,000 Total size of the title, description, and permission names for a custom role 64 KB Allow policies and role bindings Allow policies per resource 1 Total number of principals (including domains and Google groups) in all role bindings and audit-logging exemptions within a single policy2 1,500 Domains and Google groups in all role bindings within a single allow policy3 250 Logic operators in a role binding's condition expression 12 Role bindings in an allow policy that include the same role and the same principal, but different condition expressions 20 Deny policies and deny rules Deny policies per resource 500 Deny rules per resource 500 Domains and Google groups in all of a resource's deny policies 4 500 Total number of principals (including domains and Google groups) in all of a resource's deny policies 4 2500 Deny rules in a single deny policy 500 Logic operators in a deny rule's condition expression 12 Principal access boundary policies Rules in a single principal access boundary policy 500 Resources in all rules in a single principal access boundary policy 500 Number of principal access boundary policies that can be bound to a resource 10 Principal access boundary policies per organization 1000 Logic operators in a policy binding's condition expression 10 Service accounts Service account ID 30 bytes Service account display name 100 bytes Service account keys for a service account 10 Workforce Identity Federation Workforce identity pool providers per pool 200 Deleted workforce identity pool subjects per pool 100,000 Workforce OAuth applications Workforce OAuth clients per project 100 Workforce OAuth client credentials per client 10 Workload Identity Federation and Workforce Identity Federation attribute mapping Mapped subject 127 bytes Mapped workforce identity pool user display name 100 bytes Mapped attributes total size 8,192 bytes Number of custom attribute mappings 50 Short-lived credentials Access boundary rules in a Credential Access Boundary 10 Maximum lifetime of an access token 5

3,600 seconds (1 hour)

1 If you create custom roles at the project level, those custom roles don't count towards the limit at the organization level.

2

For the purposes of this limit, IAM counts

all

appearances of each principal in the allow policy's role bindings, as well as the principals that the allow policy

exempts from Data Access audit logging

. It does

not

deduplicate principals that appear in more than one role binding. For example, if an allow policy contains only role bindings for the principal

user:my-user@example.com

, and this principal appears in 50 role bindings, then you can add another 1,450 principals to the role bindings in the allow policy.

Also, for the purposes of this limit, each appearance of a domain or Google group is counted as a single principal, regardless of the number of individual members in the domain or group.

If you use IAM Conditions, or if you grant roles to many principals with unusually long identifiers, then IAM might allow fewer principals in the allow policy.

3 For the purposes of this limit, Cloud Identity domains, Google Workspace accounts, and Google groups are counted as follows:

For example, if your allow policy contains only one group, group:my-group@example.com, and the group appears in the allow policy 10 times, then you can add another 249 Cloud Identity domains, Google Workspace accounts, or unique groups before you reach the limit.

Alternatively, if your allow policy contains only one domain, domain:example.com, and the domain appears in the allow policy 10 times, then you can add another 240 Cloud Identity domains, Google Workspace accounts, or unique groups before you reach the limit.

4 IAM counts all appearances of each principal in all of the deny policies attached to a resource. It does not deduplicate principals that appear in more than one deny rule or deny policy. For example, if the deny policies attached to a resource contain only deny rules for the principal user:my-user@example.com, and this principal appears in 20 deny rules, then you could add another 2,480 principals to the resource's deny policies.

5 For OAuth 2.0 access tokens, you can extend the maximum lifetime to 12 hours (43,200 seconds). To extend the maximum lifetime, identify the service accounts that need an extended lifetime for tokens, then add these service accounts to an organization policy that includes the constraints/iam.allowServiceAccountCredentialLifetimeExtension list constraint.

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-07-02 UTC.

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