diff --git a/manifests/resource/authtoken.pp b/manifests/resource/authtoken.pp
index 9580cf41c..ab30079f5 100644
--- a/manifests/resource/authtoken.pp
+++ b/manifests/resource/authtoken.pp
@@ -212,6 +212,11 @@
 #  true/false
 #  Defaults to $::os_service_default.
 #
+# [*interface*]
+#  (Optional) Interface to use for the Identity API endpoint. Valid values are
+#  "public", "internal" or "admin".
+#  Defaults to $::os_service_default.
+#
 # DEPRECATED PARAMETERS
 #
 # [*check_revocations_for_cached*]
@@ -267,6 +272,7 @@ define keystone::resource::authtoken(
   $manage_memcache_package        = false,
   $service_token_roles            = $::os_service_default,
   $service_token_roles_required   = $::os_service_default,
+  $interface                      = $::os_service_default,
   # DEPRECATED PARAMETERS
   $check_revocations_for_cached   = undef,
   $hash_algorithms                = undef,
@@ -351,6 +357,7 @@ define keystone::resource::authtoken(
     'keystone_authtoken/insecure'                       => {'value' => $insecure},
     'keystone_authtoken/service_token_roles'            => {'value' => $service_token_roles},
     'keystone_authtoken/service_token_roles_required'   => {'value' => $service_token_roles_required},
+    'keystone_authtoken/interface'                      => {'value' => $interface},
   }
 
   create_resources($name, $keystonemiddleware_options)
diff --git a/releasenotes/notes/authtoken_interface-2e8ccbd3e961e0fb.yaml b/releasenotes/notes/authtoken_interface-2e8ccbd3e961e0fb.yaml
new file mode 100644
index 000000000..2514f3883
--- /dev/null
+++ b/releasenotes/notes/authtoken_interface-2e8ccbd3e961e0fb.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Adds interface parameter to keystone::resource::authtoken allow services
+    to configure the interface to use for the Identity API endpoint. Valid
+    values are "public", "internal" or "admin".
diff --git a/spec/defines/keystone_resource_authtoken_spec.rb b/spec/defines/keystone_resource_authtoken_spec.rb
index 2b5281d08..30430ad31 100644
--- a/spec/defines/keystone_resource_authtoken_spec.rb
+++ b/spec/defines/keystone_resource_authtoken_spec.rb
@@ -48,6 +48,7 @@ describe 'keystone::resource::authtoken' do
         is_expected.to contain_keystone_config('keystone_authtoken/service_token_roles').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_keystone_config('keystone_authtoken/service_token_roles_required').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_keystone_config('keystone_authtoken/token_cache_time').with_value('<SERVICE DEFAULT>')
+        is_expected.to contain_keystone_config('keystone_authtoken/interface').with_value('<SERVICE DEFAULT>')
       end
     end
 
@@ -79,6 +80,7 @@ describe 'keystone::resource::authtoken' do
           :service_token_roles          => 'service',
           :service_token_roles_required => false,
           :token_cache_time             => '20',
+          :interface                    => 'internal',
         })
       end
       it 'override keystone authtoken parameters' do
@@ -115,6 +117,7 @@ describe 'keystone::resource::authtoken' do
         is_expected.to contain_keystone_config('keystone_authtoken/service_token_roles').with_value(params[:service_token_roles])
         is_expected.to contain_keystone_config('keystone_authtoken/service_token_roles_required').with_value(params[:service_token_roles_required])
         is_expected.to contain_keystone_config('keystone_authtoken/token_cache_time').with_value(params[:token_cache_time])
+        is_expected.to contain_keystone_config('keystone_authtoken/interface').with_value(params[:interface])
       end
     end