Hello Collection Team,
To list all the children resource and its current health status for a parent resource. Use the below REST API to get the next page of children current health.
GET https://management.azure.com/{resourceUri}/providers/Microsoft.ResourceHealth/childResources?api-version=2025-04-01
Refer to the below link: https://learn.microsoft.com/en-us/rest/api/resourcehealth/child-resources/list?view=rest-resourcehealth-2025-04-01&tabs=HTTP#code-try-0
As you mentioned, if you cannot find the URI for some child resources like objectReplicationPolicies or storageTasks, you can list them by Resource Group as shown below.
Since there is no other straightforward solution to list the child resources, you can get all the resources for a resource group. This will include the child resources under its RG.
GET https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/resources?api-version=2021-04-01
Follow the below link: https://learn.microsoft.com/en-us/rest/api/resources/resources/list-by-resource-group?view=rest-resources-2021-04-01#code-try-0
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Thanks