diff --git a/src/containerapp/HISTORY.rst b/src/containerapp/HISTORY.rst
index 1dc3c671855..1d1d09b8d04 100644
--- a/src/containerapp/HISTORY.rst
+++ b/src/containerapp/HISTORY.rst
@@ -4,6 +4,8 @@ Release History
 ===============
 Upcoming
 ++++++
+* 'az containerapp hostname bind': fix bug where the prompt for validation method didn't take value in
+* Make --validation-method parameter case insensitive for 'az containerapp hostname bind' and 'az containerapp env certificate create'
 * 'az containerapp auth update': remove unsupported argument --enable-token-store
 * 'az containerapp update'/'az containerapp env update': fix --no-wait
 * 'az containerapp update': fix the --yaml update behavior to respect the empty array in patch-request
diff --git a/src/containerapp/azext_containerapp/custom.py b/src/containerapp/azext_containerapp/custom.py
index ac55933008b..11d418dcca8 100644
--- a/src/containerapp/azext_containerapp/custom.py
+++ b/src/containerapp/azext_containerapp/custom.py
@@ -2930,9 +2930,9 @@ def create_managed_certificate(cmd, name, resource_group_name, hostname, validat
         cert_name = generate_randomized_managed_cert_name(hostname, resource_group_name)
         if not check_managed_cert_name_availability(cmd, resource_group_name, name, certificate_name):
             cert_name = None
-    certificate_envelop = prepare_managed_certificate_envelop(cmd, name, resource_group_name, hostname, validation_method)
+    certificate_envelop = prepare_managed_certificate_envelop(cmd, name, resource_group_name, hostname, validation_method.upper())
     try:
-        r = ManagedEnvironmentClient.create_or_update_managed_certificate(cmd, resource_group_name, name, cert_name, certificate_envelop, True, validation_method == 'TXT')
+        r = ManagedEnvironmentClient.create_or_update_managed_certificate(cmd, resource_group_name, name, cert_name, certificate_envelop, True, validation_method.upper() == 'TXT')
         return r
     except Exception as e:
         handle_raw_exception(e)
@@ -3157,13 +3157,13 @@ def bind_hostname(cmd, resource_group_name, name, hostname, thumbprint=None, cer
                     cert_name = random_name
             logger.warning("Creating managed certificate '%s' for %s.\nIt may take up to 20 minutes to create and issue a managed certificate.", cert_name, standardized_hostname)
 
-            validation = validation_method
+            validation = validation_method.upper()
             while validation not in ["TXT", "CNAME", "HTTP"]:
-                validation = prompt_str('\nPlease choose one of the following domain validation methods: TXT, CNAME, HTTP\nYour answer: ')
+                validation = prompt_str('\nPlease choose one of the following domain validation methods: TXT, CNAME, HTTP\nYour answer: ').upper()
 
-            certificate_envelop = prepare_managed_certificate_envelop(cmd, env_name, resource_group_name, standardized_hostname, validation_method, location)
+            certificate_envelop = prepare_managed_certificate_envelop(cmd, env_name, resource_group_name, standardized_hostname, validation, location)
             try:
-                managed_cert = ManagedEnvironmentClient.create_or_update_managed_certificate(cmd, resource_group_name, env_name, cert_name, certificate_envelop, False, validation_method == 'TXT')
+                managed_cert = ManagedEnvironmentClient.create_or_update_managed_certificate(cmd, resource_group_name, env_name, cert_name, certificate_envelop, False, validation == 'TXT')
             except Exception as e:
                 handle_raw_exception(e)
             cert_id = managed_cert["id"]
diff --git a/src/containerapp/azext_containerapp/tests/latest/test_containerapp_env_commands.py b/src/containerapp/azext_containerapp/tests/latest/test_containerapp_env_commands.py
index 50a5cf0515f..f7a832829a7 100644
--- a/src/containerapp/azext_containerapp/tests/latest/test_containerapp_env_commands.py
+++ b/src/containerapp/azext_containerapp/tests/latest/test_containerapp_env_commands.py
@@ -295,13 +295,13 @@ def test_containerapp_env_certificate_e2e(self, resource_group):
         self.cmd('containerapp hostname add -g {} -n {} --hostname {}'.format(resource_group, ca_name, hostname_1), expect_failure=True)
         
         # create a managed certificate
-        self.cmd('containerapp env certificate create -n {} -g {} --hostname {} -v CNAME -c {}'.format(env_name, resource_group, hostname_1, cert_name), checks=[
+        self.cmd('containerapp env certificate create -n {} -g {} --hostname {} -v cname -c {}'.format(env_name, resource_group, hostname_1, cert_name), checks=[
             JMESPathCheck('type', "Microsoft.App/managedEnvironments/managedCertificates"),
             JMESPathCheck('name', cert_name),
             JMESPathCheck('properties.subjectName', hostname_1),
         ]).get_output_in_json()
 
-        self.cmd('containerapp env certificate create -n {} -g {} --hostname {} -v CNAME'.format(env_name, resource_group, hostname_1), expect_failure=True)
+        self.cmd('containerapp env certificate create -n {} -g {} --hostname {} -v cname'.format(env_name, resource_group, hostname_1), expect_failure=True)
         self.cmd('containerapp env certificate list -g {} -n {} -m'.format(resource_group, env_name), checks=[
             JMESPathCheck('length(@)', 1),
         ])
@@ -316,7 +316,7 @@ def test_containerapp_env_certificate_e2e(self, resource_group):
             JMESPathCheck('length(@)', 0),
         ])
         
-        self.cmd('containerapp hostname bind -g {} -n {} --hostname {} --environment {} -v CNAME'.format(resource_group, ca_name, hostname_1, env_name))
+        self.cmd('containerapp hostname bind -g {} -n {} --hostname {} --environment {} -v cname'.format(resource_group, ca_name, hostname_1, env_name))
         certs = self.cmd('containerapp env certificate list -g {} -n {}'.format(resource_group, env_name), checks=[
             JMESPathCheck('length(@)', 1),
         ]).get_output_in_json()