Google Cloud offers Identity and Access Management (IAM), which lets you give access to specific Google Cloud resources but not others. IAM lets you adopt the security principle of least privilege, so you grant only the necessary access to your resources.
IAM lets you control who (users) has what access (roles) to which resources by setting IAM allow policies. Allow policies grant specific roles to a user, which gives the user the permissions in those roles.
This page explains the IAM roles that are available for the Cloud Billing APIs. For example, you can use IAM to grant roles such as Billing Account Costs Manager or Billing Account Viewer on a Cloud Billing account. For a detailed description of IAM and its features, see the IAM documentation. In particular, see Manage access to projects, folders, and organizations and Manage access to other resources.
Permissions and roles
For a user to view Cloud Billing account details in the Google Cloud console, or for a Cloud Billing API method to return Cloud Billing account information, the user or caller must have the necessary permissions.
Required permissions for the Cloud Billing Catalog API
No permissions are required to use the Cloud Billing Catalog API (Services list and SKUs list). All of the data that this API returns is public.
Required permissions for the Cloud Billing Budget API
The following table outlines which permissions are necessary to call each Cloud Billing Budget API method. Also included are the standard IAM Billing roles that automatically grant those permissions.
| API Method | Required Permission | IAM Role that grants permissions |
|---|---|---|
GetBudget |
To get the details of a budget, the caller must have the
billing.budgets.get permission on the budget's
Cloud Billing account.
For single-project budgets, instead of billing account permissions, the
caller can have the following permissions on the project:
|
Billing Account Administrator, Billing Account Costs Manager, or Billing Account Viewer on the budget's Cloud Billing account. For single-project budgets, Project Owner, Project Editor, or Project Viewer on the project. |
ListBudgets |
To return a list of budgets applied to a Cloud Billing account,
the caller must have the billing.budgets.list permission
on the Cloud Billing account.
For single-project budgets, instead of billing account permissions, the
caller can have the following permissions on the project:
|
Billing Account Administrator, Billing Account Costs Manager, or Billing Account Viewer on the budget's Cloud Billing account. For single-project budgets, Project Owner, Project Editor, or Project Viewer on the project. |
CreateBudget |
To create a new budget, the caller must have the
billing.budgets.create permission on the budget's
Cloud Billing account.
For single-project budgets, instead of billing account permissions, the
caller can have the following permissions on the project:
|
Billing Account Administrator or Billing Account Costs Manager on the budget's Cloud Billing account. For single-project budgets, Project Owner or Project Editor on the project. |
UpdateBudget |
To update an existing budget, the caller must have the
billing.budgets.update permission on the budget's
Cloud Billing account.
For single-project budgets, instead of billing account permissions, the
caller can have the following permissions on the project:
|
Billing Account Administrator or Billing Account Costs Manager on the budget's Cloud Billing account. For single-project budgets, Project Owner or Project Editor on the project. |
DeleteBudget |
To delete an existing budget, the caller must have the
billing.budgets.delete permission on the budget's
Cloud Billing account.
For single-project budgets, instead of billing account permissions, the
caller can have the following permissions on the project:
|
Billing Account Administrator or Billing Account Costs Manager on the budget's Cloud Billing account. For single-project budgets, Project Owner or Project Editor on the project. |
Required permissions for the Cloud Billing Account API
The following table lists the required permissions to call each Cloud Billing Account API method, as well as the IAM roles for Cloud Billing that include those permissions.
| API method | Required permissions | IAM roles that include permission |
|---|---|---|
billingAccounts.create |
Method is used to create new Cloud Billing subaccounts. The caller must have
billing.accounts.update on the subaccount's parent Cloud Billing
account.
|
Billing Account Administrator |
billingAccounts.get |
billing.accounts.get on a Cloud Billing account. |
Billing Account Administrator, Billing Account Costs Manager, Billing Account Viewer, or Billing Account User |
billingAccounts.list |
None. This method returns all accounts that the caller has permission to access. | Billing Account Administrator, Billing Account Costs Manager, Billing Account Viewer, or Billing Account User on the Cloud Billing accounts, or Project Billing Manager on the projects. |
billingAccounts.getIamPolicy |
billing.accounts.getIamPolicy on a Cloud Billing account. |
Billing Account Administrator, Billing Account Costs Manager, Billing Account Viewer, or Billing Account User |
billingAccounts.setIamPolicy |
billing.accounts.setIamPolicy on a Cloud Billing account. |
Billing Account Administrator |
billingAccounts.testIamPermissions |
None. This method is used to determine the permissions that a caller has on a Cloud Billing account. | n/a |
billingAccounts.patch |
billing.accounts.update on a Cloud Billing account. |
Billing Account Administrator |
billingAccounts.projects.list |
billing.resourceAssociations.list on a Cloud Billing account.
|
Billing Account Administrator, Billing Account Costs Manager, or Billing Account Viewer |
projects.getBillingInfo |
resourcemanager.projects.get on the project.For more information, see Access Control for Projects. |
Project Owner, Project Editor, or Project Viewer |
projects.updateBillingInfo |
billing.resourceAssociations.create on the Cloud Billing account
AND resourcemanager.projects.createBillingAssignment on the project. |
Billing Account Administrator or Billing Account User, AND Project Billing Manager |
Roles
You don't directly give users permissions; instead, you grant them roles, which have one or more permissions bundled within them.
You can grant one or more roles on the same resource.
The following table lists the IAM roles that you can grant to access the Cloud Billing APIs, the description of what the role does, and the permissions bundled within that role. Some of these roles also include permissions for other Google Cloud services.
| Role | Permissions |
|---|---|
Billing Account Administrator( Provides access to see and manage all aspects of billing accounts. Lowest-level resources where you can grant this role:
|
|
Billing Account Costs Manager( Manage budgets for a billing account, and view, analyze, and export cost information of a billing account. Lowest-level resources where you can grant this role:
|
|
Billing Account Creator( Provides access to create billing accounts. Lowest-level resources where you can grant this role:
|
|
Project Billing Manager( When granted in conjunction with the Billing Account User role, provides access to assign a project's billing account or disable its billing. Lowest-level resources where you can grant this role:
|
|
Billing Account User( When granted in conjunction with the Project Owner role or Project Billing Manager role, provides access to associate projects with billing accounts. Lowest-level resources where you can grant this role:
|
|
Billing Account Viewer( View billing account cost and pricing information, transactions, and billing and commitment recommendations. Lowest-level resources where you can grant this role:
|
|
Note that the roles roles/billing.admin, roles/billing.costsManager,
roles/billing.viewer, and roles/billing.projectManager include permissions
for other Google Cloud services as well.
Related topics
- Manage access to projects, folders, and organizations in the IAM documentation
- Manage access to other resources in the IAM documentation
- Create custom roles for Cloud Billing