diff --git a/src/Identity/v3/Api.php b/src/Identity/v3/Api.php
index 325e3ac1..f2d84cd9 100644
--- a/src/Identity/v3/Api.php
+++ b/src/Identity/v3/Api.php
@@ -19,10 +19,11 @@ public function postTokens(): array
             'method' => 'POST',
             'path'   => 'auth/tokens',
             'params' => [
-                'methods' => $this->params->methods(),
-                'user'    => $this->params->user(),
-                'tokenId' => $this->params->tokenBody(),
-                'scope'   => $this->params->scope(),
+                'methods'                => $this->params->methods(),
+                'user'                   => $this->params->user(),
+                'application_credential' => $this->params->applicationCredential(),
+                'tokenId'                => $this->params->tokenBody(),
+                'scope'                  => $this->params->scope(),
             ],
         ];
     }
diff --git a/src/Identity/v3/Models/Token.php b/src/Identity/v3/Models/Token.php
index 935f409f..f8b8ab39 100644
--- a/src/Identity/v3/Models/Token.php
+++ b/src/Identity/v3/Models/Token.php
@@ -115,7 +115,17 @@ public function create(array $data): Creatable
                     .'provide domain information.'
                 );
             }
-        } elseif (isset($data['tokenId'])) {
+        }
+        elseif (isset($data['application_credential'])) {
+            $data['methods'] = ['application_credential'];
+            if (!isset($data['application_credential']['id']) || !isset($data['application_credential']['secret'])) {
+                throw new \InvalidArgumentException(
+                    'When authenticating with a application_credential, you must provide application credential ID '
+                    .' and application credential secret.'
+                );
+            }
+        }
+        elseif (isset($data['tokenId'])) {
             $data['methods'] = ['token'];
         } else {
             throw new \InvalidArgumentException('Either a user or token must be provided.');
diff --git a/src/Identity/v3/Params.php b/src/Identity/v3/Params.php
index f001d3c4..2fa01ff8 100644
--- a/src/Identity/v3/Params.php
+++ b/src/Identity/v3/Params.php
@@ -21,6 +21,23 @@ public function methods(): array
         ];
     }
 
+    public function applicationCredential(): array {
+        return [
+            'type'       => self::OBJECT_TYPE,
+            'path'       => 'auth.identity',
+            'properties' => [
+                'id' => [
+                    'type'        => self::STRING_TYPE,
+                    'description' => $this->id('application credential id'),
+                ],
+                'secret' => [
+                    'type'        => self::STRING_TYPE,
+                    'description' => 'The secret of the application credential',
+                ],
+            ],
+        ];
+    }
+
     public function user(): array
     {
         return [
diff --git a/src/ObjectStore/v1/Models/StorageObject.php b/src/ObjectStore/v1/Models/StorageObject.php
index a4016d2d..2ddfa4c7 100644
--- a/src/ObjectStore/v1/Models/StorageObject.php
+++ b/src/ObjectStore/v1/Models/StorageObject.php
@@ -208,7 +208,7 @@ public function resetMetadata(array $metadata)
     public function getMetadata(): array
     {
         $response = $this->executeWithState($this->api->headObject());
-
+        $this->populateFromResponse($response);
         return $this->parseMetadata($response);
     }
 }