Agent Pools - Get Available Agent Pool Versions

Service:

AKS

API Version:

2026-01-01

Gets a list of supported Kubernetes versions for the specified agent pool.
See supported Kubernetes versions for more details about the version lifecycle.

GET https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ContainerService/managedClusters/{resourceName}/availableAgentPoolVersions?api-version=2026-01-01

URI Parameters

Name	In	Required	Type	Description
resourceGroupName	path	True	string minLength: 1 maxLength: 90	The name of the resource group. The name is case insensitive.
resourceName	path	True	string minLength: 1 maxLength: 63 pattern: ^[a-zA-Z0-9]$|^[a-zA-Z0-9][-_a-zA-Z0-9]{0,61}[a-zA-Z0-9]$	The name of the managed cluster resource.
subscriptionId	path	True	string (uuid)	The ID of the target subscription. The value must be an UUID.
api-version	query	True	string minLength: 1	The API version to use for this operation.

Responses

Name	Type	Description
200 OK	AgentPoolAvailableVersions	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

Get available versions for agent pool

Sample request

HTTP

GET https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/providers/Microsoft.ContainerService/managedClusters/clustername1/availableAgentPoolVersions?api-version=2026-01-01

Java

/**
 * Samples for AgentPools GetAvailableAgentPoolVersions.
 */
public final class Main {
    /*
     * x-ms-original-file: 2026-01-01/AgentPoolsGetAgentPoolAvailableVersions.json
     */
    /**
     * Sample code: Get available versions for agent pool.
     * 
     * @param manager Entry point to ContainerServiceManager.
     */
    public static void
        getAvailableVersionsForAgentPool(com.azure.resourcemanager.containerservice.ContainerServiceManager manager) {
        manager.serviceClient().getAgentPools().getAvailableAgentPoolVersionsWithResponse("rg1", "clustername1",
            com.azure.core.util.Context.NONE);
    }
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Python

from azure.identity import DefaultAzureCredential

from azure.mgmt.containerservice import ContainerServiceClient

"""
# PREREQUISITES
    pip install azure-identity
    pip install azure-mgmt-containerservice
# USAGE
    python agent_pools_get_agent_pool_available_versions.py

    Before run the sample, please set the values of the client ID, tenant ID and client secret
    of the AAD application as environment variables: AZURE_CLIENT_ID, AZURE_TENANT_ID,
    AZURE_CLIENT_SECRET. For more info about how to get the value, please see:
    https://docs.microsoft.com/azure/active-directory/develop/howto-create-service-principal-portal
"""


def main():
    client = ContainerServiceClient(
        credential=DefaultAzureCredential(),
        subscription_id="SUBSCRIPTION_ID",
    )

    response = client.agent_pools.get_available_agent_pool_versions(
        resource_group_name="rg1",
        resource_name="clustername1",
    )
    print(response)


# x-ms-original-file: 2026-01-01/AgentPoolsGetAgentPoolAvailableVersions.json
if __name__ == "__main__":
    main()

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Go

package armcontainerservice_test

import (
	"context"
	"log"

	"github.com/Azure/azure-sdk-for-go/sdk/azidentity"
	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/containerservice/armcontainerservice/v9"
)

// Generated from example definition: 2026-01-01/AgentPoolsGetAgentPoolAvailableVersions.json
func ExampleAgentPoolsClient_GetAvailableAgentPoolVersions() {
	cred, err := azidentity.NewDefaultAzureCredential(nil)
	if err != nil {
		log.Fatalf("failed to obtain a credential: %v", err)
	}
	ctx := context.Background()
	clientFactory, err := armcontainerservice.NewClientFactory("00000000-0000-0000-0000-000000000000", cred, nil)
	if err != nil {
		log.Fatalf("failed to create client: %v", err)
	}
	res, err := clientFactory.NewAgentPoolsClient().GetAvailableAgentPoolVersions(ctx, "rg1", "clustername1", nil)
	if err != nil {
		log.Fatalf("failed to finish the request: %v", err)
	}
	// You could use response here. We use blank identifier for just demo purposes.
	_ = res
	// If the HTTP response code is 200 as defined in example definition, your response structure would look as follows. Please pay attention that all the values in the output are fake values for just demo purposes.
	// res = armcontainerservice.AgentPoolsClientGetAvailableAgentPoolVersionsResponse{
	// 	AgentPoolAvailableVersions: &armcontainerservice.AgentPoolAvailableVersions{
	// 		Name: to.Ptr("default"),
	// 		Type: to.Ptr("Microsoft.ContainerService/managedClusters/availableAgentpoolVersions"),
	// 		ID: to.Ptr("/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/providers/Microsoft.ContainerService/managedClusters/clustername1/availableagentpoolversions"),
	// 		Properties: &armcontainerservice.AgentPoolAvailableVersionsProperties{
	// 			AgentPoolVersions: []*armcontainerservice.AgentPoolAvailableVersionsPropertiesAgentPoolVersionsItem{
	// 				{
	// 					KubernetesVersion: to.Ptr("1.12.7"),
	// 				},
	// 				{
	// 					KubernetesVersion: to.Ptr("1.12.8"),
	// 				},
	// 				{
	// 					Default: to.Ptr(true),
	// 					IsPreview: to.Ptr(true),
	// 					KubernetesVersion: to.Ptr("1.13.5"),
	// 				},
	// 			},
	// 		},
	// 	},
	// }
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

JavaScript

const { ContainerServiceClient } = require("@azure/arm-containerservice");
const { DefaultAzureCredential } = require("@azure/identity");

/**
 * This sample demonstrates how to see [supported Kubernetes versions](https://docs.microsoft.com/azure/aks/supported-kubernetes-versions) for more details about the version lifecycle.
 *
 * @summary see [supported Kubernetes versions](https://docs.microsoft.com/azure/aks/supported-kubernetes-versions) for more details about the version lifecycle.
 * x-ms-original-file: 2026-01-01/AgentPoolsGetAgentPoolAvailableVersions.json
 */
async function getAvailableVersionsForAgentPool() {
  const credential = new DefaultAzureCredential();
  const subscriptionId = "00000000-0000-0000-0000-000000000000";
  const client = new ContainerServiceClient(credential, subscriptionId);
  const result = await client.agentPools.getAvailableAgentPoolVersions("rg1", "clustername1");
  console.log(result);
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Sample response

Status code:

200

{
  "name": "default",
  "type": "Microsoft.ContainerService/managedClusters/availableAgentpoolVersions",
  "id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/rg1/providers/Microsoft.ContainerService/managedClusters/clustername1/availableagentpoolversions",
  "properties": {
    "agentPoolVersions": [
      {
        "kubernetesVersion": "1.12.7"
      },
      {
        "kubernetesVersion": "1.12.8"
      },
      {
        "default": true,
        "isPreview": true,
        "kubernetesVersion": "1.13.5"
      }
    ]
  }
}

Definitions

Name	Description
AgentPoolAvailableVersions	The list of available versions for an agent pool.
AgentPoolAvailableVersionsPropertiesAgentPoolVersionsItem	Available version information for an agent pool.
ErrorAdditionalInfo	The resource management error additional info.
ErrorDetail	The error detail.
ErrorResponse	Error response

AgentPoolAvailableVersions

Object

The list of available versions for an agent pool.

Name	Type	Description
id	string	The ID of the agent pool version list.
name	string	The name of the agent pool version list.
properties.agentPoolVersions	AgentPoolAvailableVersionsPropertiesAgentPoolVersionsItem[]	List of versions available for agent pool.
type	string	Type of the agent pool version list.

AgentPoolAvailableVersionsPropertiesAgentPoolVersionsItem

Object

Available version information for an agent pool.

Name	Type	Description
default	boolean	Whether this version is the default agent pool version.
isPreview	boolean	Whether Kubernetes version is currently in preview.
kubernetesVersion	string	The Kubernetes version (major.minor.patch).

ErrorAdditionalInfo

Object

The resource management error additional info.

Name	Type	Description
info	object	The additional info.
type	string	The additional info type.

ErrorDetail

Object

The error detail.

Name	Type	Description
additionalInfo	ErrorAdditionalInfo[]	The error additional info.
code	string	The error code.
details	ErrorDetail[]	The error details.
message	string	The error message.
target	string	The error target.

ErrorResponse

Object

Error response

Name	Type	Description
error	ErrorDetail	The error object.