diff --git a/src/k8s-extension/azext_k8s_extension/consts.py b/src/k8s-extension/azext_k8s_extension/consts.py
index 2044f06bf4d..c69df7a73f0 100644
--- a/src/k8s-extension/azext_k8s_extension/consts.py
+++ b/src/k8s-extension/azext_k8s_extension/consts.py
@@ -25,4 +25,4 @@
 APPLIANCE_API_VERSION = "2021-10-31-preview"
 HYBRIDCONTAINERSERVICE_API_VERSION = "2022-05-01-preview"
 
-EXTENSION_TYPE_API_VERSION = "2022-04-02-preview"
+EXTENSION_TYPE_API_VERSION = "2022-01-15-preview"
diff --git a/testing/pipeline/k8s-custom-pipelines.yml b/testing/pipeline/k8s-custom-pipelines.yml
index 4d87a15224d..c9673e2af66 100644
--- a/testing/pipeline/k8s-custom-pipelines.yml
+++ b/testing/pipeline/k8s-custom-pipelines.yml
@@ -41,6 +41,10 @@ stages:
     parameters:
       jobName: Cassandra
       path: ./test/extensions/public/Cassandra.Tests.ps1
+  - template: ./templates/run-test.yml
+    parameters:
+      jobName: ExtensionTypes
+      path: ./test/extensions/public/ExtensionTypes.Tests.ps1
   - template: ./templates/run-test.yml
     parameters:
       jobName: OpenServiceMesh
diff --git a/testing/test/extensions/public/ExtensionTypes.Tests.ps1 b/testing/test/extensions/public/ExtensionTypes.Tests.ps1
new file mode 100644
index 00000000000..d9634024432
--- /dev/null
+++ b/testing/test/extensions/public/ExtensionTypes.Tests.ps1
@@ -0,0 +1,33 @@
+Describe 'Extension Types Testing' {
+    BeforeAll {
+        $extensionType = "cassandradatacentersoperator"
+        $location = "eastus2euap"
+        
+        . $PSScriptRoot/../../helper/Constants.ps1
+        . $PSScriptRoot/../../helper/Helper.ps1
+    }
+
+    It 'Performs a show extension types call' {
+        $output = az $Env:K8sExtensionName extension-types show -c $($ENVCONFIG.arcClusterName) -g $($ENVCONFIG.resourceGroup) --cluster-type connectedClusters --extension-type $extensionType
+        $? | Should -BeTrue
+        $output | Should -Not -BeNullOrEmpty
+    }
+
+    It "Performs a cluster-scoped list extension types call" {
+        $output = az $Env:K8sExtensionName extension-types list -c $($ENVCONFIG.arcClusterName) -g $($ENVCONFIG.resourceGroup) --cluster-type connectedClusters
+        $? | Should -BeTrue
+        $output | Should -Not -BeNullOrEmpty
+    }
+
+    It "Performs a location-scoped list extension types call" {
+        $output = az $Env:K8sExtensionName extension-types list-by-location --location $location
+        $? | Should -BeTrue
+        $output | Should -Not -BeNullOrEmpty
+    }
+
+    It "Performs a location-scoped list extension type versions call" {
+        $output = az $Env:K8sExtensionName extension-types list-versions --location $location --extension-type $extensionType
+        $? | Should -BeTrue
+        $output | Should -Not -BeNullOrEmpty
+    }
+}