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Cost Allocation Rules - Check Name Availability

Service:
Cost Management
API Version:
2025-03-01

Checks availability and correctness of a name for a cost allocation rule

POST https://management.azure.com/providers/microsoft.Billing/billingAccounts/{billingAccountId}/providers/Microsoft.CostManagement/costAllocationRules/checkNameAvailability?api-version=2025-03-01

URI Parameters

Name In Required Type Description
billingAccountId
 path True

string

BillingAccount ID
api-version
 query True

string

minLength: 1

The API version to use for this operation.

Request Body

Name Type Description
name

string

Rule name
type

string

Resource type. This is expected to be Microsoft.CostManagement/costAllocationRules

Responses

Name Type Description
200 OK

CostAllocationRuleCheckNameAvailabilityResponse

Azure operation completed successfully.
Other Status Codes

ErrorResponse

An unexpected error response.

Security

azure_auth

Azure Active Directory OAuth2 Flow.

Type: oauth2
Flow: implicit
Authorization URL: https://login.microsoftonline.com/common/oauth2/authorize

Scopes

Name Description
user_impersonation impersonate your user account

Examples

CostAllocationRuleCheckNameAvailability

Sample request

POST https://management.azure.com/providers/microsoft.Billing/billingAccounts/100/providers/Microsoft.CostManagement/costAllocationRules/checkNameAvailability?api-version=2025-03-01

{
  "name": "testRule",
  "type": "Microsoft.CostManagement/costAllocationRules"
}

Sample response

Status code:
200 
{
  "message": "A cost allocation rule with name testRule is already present for the billing account 100. Please specify a differnt name.",
  "nameAvailable": false,
  "reason": "AlreadyExists"
}

Definitions

Name Description
CostAllocationRuleCheckNameAvailabilityRequest

The cost allocation rule check name availability request
CostAllocationRuleCheckNameAvailabilityResponse

The cost allocation rule check name availability response
ErrorDetails

The details of the error.
ErrorResponse

Error response indicates that the service is not able to process the incoming request. The reason is provided in the error message. \n\nSome Error responses: \n\n * 429 TooManyRequests - Request is throttled. Retry after waiting for the time specified in the "x-ms-ratelimit-microsoft.consumption-retry-after" header. \n\n * 503 ServiceUnavailable - Service is temporarily unavailable. Retry after waiting for the time specified in the "Retry-After" header.
Reason

The reason this name is not available.

CostAllocationRuleCheckNameAvailabilityRequest

Object

The cost allocation rule check name availability request

Name Type Description
name

string

Rule name
type

string

Resource type. This is expected to be Microsoft.CostManagement/costAllocationRules

CostAllocationRuleCheckNameAvailabilityResponse

Object

The cost allocation rule check name availability response

Name Type Description
message

string

Error message if the name is not available
nameAvailable

boolean

Whether this rule name is available
reason

Reason

The reason this name is not available

ErrorDetails

Object

The details of the error.

Name Type Description
code

string

Error code.
message

string

Error message indicating why the operation failed.

ErrorResponse

Object

Error response indicates that the service is not able to process the incoming request. The reason is provided in the error message. \n\nSome Error responses: \n\n * 429 TooManyRequests - Request is throttled. Retry after waiting for the time specified in the "x-ms-ratelimit-microsoft.consumption-retry-after" header. \n\n * 503 ServiceUnavailable - Service is temporarily unavailable. Retry after waiting for the time specified in the "Retry-After" header.

Name Type Description
error

ErrorDetails

The details of the error.

Reason

Enumeration

The reason this name is not available.

Value Description
Invalid
AlreadyExists
Valid