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Web Apps - List Perf Mon Counters Slot

Service:
App Service
API Version:
2025-03-01

Description for Gets perfmon counters for web app.

GET https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Web/sites/{name}/slots/{slot}/perfcounters?api-version=2025-03-01
With optional parameters: 
GET https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Web/sites/{name}/slots/{slot}/perfcounters?api-version=2025-03-01&$filter={$filter}

URI Parameters

Name In Required Type Description
name
 path True

string

Name of web app.
resourceGroupName
 path True

string

minLength: 1
maxLength: 90
pattern: ^[-\w\._\(\)]+[^\.]$

Name of the resource group to which the resource belongs.
slot
 path True

string

Name of web app slot. If not specified then will default to production slot.
subscriptionId
 path True

string

Your Azure subscription ID. This is a GUID-formatted string (e.g. 00000000-0000-0000-0000-000000000000).
api-version
 query True

string

API Version
$filter
 query

string

Return only usages/metrics specified in the filter. Filter conforms to odata syntax. Example: $filter=(startTime eq 2014-01-01T00:00:00Z and endTime eq 2014-12-31T23:59:59Z and timeGrain eq duration'[Hour|Minute|Day]'.

Responses

Name Type Description
200 OK

PerfMonCounterCollection

OK
Other Status Codes

DefaultErrorResponse

App Service 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

Definitions

Name Description
DefaultErrorResponse

App Service error response.
Details
Error

Error model.
PerfMonCounterCollection

Collection of performance monitor counters.
PerfMonResponse

Performance monitor API response.
PerfMonSample

Performance monitor sample in a set.
PerfMonSet

Metric information.

DefaultErrorResponse

Object

App Service error response.

Name Type Description
error

Error

Error model.

Details

Object
Name Type Description
code

string

Standardized string to programmatically identify the error.
message

string

Detailed error description and debugging information.
target

string

Detailed error description and debugging information.

Error

Object

Error model.

Name Type Description
code

string

Standardized string to programmatically identify the error.
details

Details[]

Detailed errors.
innererror

string

More information to debug error.
message

string

Detailed error description and debugging information.
target

string

Detailed error description and debugging information.

PerfMonCounterCollection

Object

Collection of performance monitor counters.

Name Type Description
nextLink

string

Link to next page of resources.
value

PerfMonResponse[]

Collection of resources.

PerfMonResponse

Object

Performance monitor API response.

Name Type Description
code

string

The response code.
data

PerfMonSet

The performance monitor counters.
message

string

The message.

PerfMonSample

Object

Performance monitor sample in a set.

Name Type Description
instanceName

string

Name of the server on which the measurement is made.
time

string (date-time)

Point in time for which counter was measured.
value

number (double)

Value of counter at a certain time.

PerfMonSet

Object

Metric information.

Name Type Description
endTime

string (date-time)

End time of the period.
name

string

Unique key name of the counter.
startTime

string (date-time)

Start time of the period.
timeGrain

string

Presented time grain.
values

PerfMonSample[]

Collection of workers that are active during this time.