diff --git a/lib/classes/API/V1/adapter.class.php b/lib/classes/API/V1/adapter.class.php
index 65f5dbc7a9..99440d57e0 100644
--- a/lib/classes/API/V1/adapter.class.php
+++ b/lib/classes/API/V1/adapter.class.php
@@ -41,6 +41,9 @@ class API_V1_adapter extends API_V1_Abstract
      */
     protected $core;
 
+    const OBJECT_TYPE_STORY = 'http://api.phraseanet.com/api/objects/story';
+    const OBJECT_TYPE_STORY_METADATA_BAG = 'http://api.phraseanet.com/api/objects/story-metadata-bag';
+
     /**
      * API constructor
      *
@@ -1990,6 +1993,7 @@ class API_V1_adapter extends API_V1_Abstract
         };
 
         return array(
+            '@entity@'       => self::OBJECT_TYPE_STORY,
             'databox_id'     => $story->get_sbas_id(),
             'story_id'       => $story->get_record_id(),
             'updated_on'     => $story->get_modification_date()->format(DATE_ATOM),
@@ -1998,6 +2002,7 @@ class API_V1_adapter extends API_V1_Abstract
             'thumbnail'      => $this->list_embedable_media($story->get_thumbnail(), registry::get_instance()),
             'uuid'           => $story->get_uuid(),
             'metadatas'      => array(
+                '@entity@'       => self::OBJECT_TYPE_STORY_METADATA_BAG,
                 'dc:contributor' => $format($caption, databox_Field_DCESAbstract::Contributor),
                 'dc:coverage'    => $format($caption, databox_Field_DCESAbstract::Coverage),
                 'dc:creator'     => $format($caption, databox_Field_DCESAbstract::Creator),
diff --git a/tests/Alchemy/Phrasea/Application/ApiAbstract.inc b/tests/Alchemy/Phrasea/Application/ApiAbstract.inc
index 618f5c7237..1a863459ba 100644
--- a/tests/Alchemy/Phrasea/Application/ApiAbstract.inc
+++ b/tests/Alchemy/Phrasea/Application/ApiAbstract.inc
@@ -800,6 +800,9 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
 
         $this->evaluateSearchResponse($response);
 
+        $this->assertArrayHasKey('stories', $response['results']);
+        $this->assertArrayHasKey('records', $response['results']);
+
         $found = false;
 
         foreach ($response['results']['records'] as $record) {
@@ -833,6 +836,9 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
 
         $this->evaluateSearchResponse($response);
 
+        $this->assertArrayHasKey('stories', $response['results']);
+        $this->assertArrayHasKey('records', $response['results']);
+
         $found = false;
 
         foreach ($response['results']['stories'] as $story) {
@@ -990,6 +996,10 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
     {
         $this->setToken(self::$token);
 
+        $media = self::$core['mediavorus']->guess(new \SplFileInfo(__DIR__ . '/../../../testfiles/cestlafete.jpg'));
+        static::$records['record_story_1']->substitute_subdef('preview', $media);
+        static::$records['record_story_1']->substitute_subdef('thumbnail', $media);
+
         $keys = array_keys(static::$records['record_story_1']->get_subdefs());
 
         $route = '/stories/' . static::$records['record_story_1']->get_sbas_id() . '/' . static::$records['record_story_1']->get_record_id() . '/embed/';
@@ -2180,7 +2190,7 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
         $this->assertArrayHasKey('response', $content);
         $this->assertTrue(is_array($content['meta']), 'Le bloc meta est un array');
         $this->assertTrue(is_array($content['response']), 'Le bloc reponse est un array');
-        $this->assertEquals('1.2', $content['meta']['api_version']);
+        $this->assertEquals('1.3', $content['meta']['api_version']);
         $this->assertNotNull($content['meta']['response_time']);
         $this->assertEquals('UTF-8', $content['meta']['charset']);
     }
@@ -2354,6 +2364,8 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
         $this->assertTrue(is_int($story['collection_id']));
         $this->assertArrayHasKey('thumbnail', $story);
         $this->assertArrayHasKey('uuid', $story);
+        $this->assertArrayHasKey('@entity@', $story);
+        $this->assertEquals(\API_V1_adapter::OBJECT_TYPE_STORY, $story['@entity@']);
         $this->assertTrue(\uuid::is_valid($story['uuid']));
 
         if ( ! is_null($story['thumbnail'])) {
@@ -2374,6 +2386,20 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
         $this->assertArrayHasKey('records', $story);
         $this->assertInternalType('array', $story['records']);
 
+        foreach ($story['metadatas'] as $key => $metadata) {
+            if (null !== $metadata) {
+                $this->assertInternalType('string', $metadata);
+            }
+            if ($key === '@entity@') {
+                continue;
+            }
+
+            $this->assertEquals(0, strpos($key, 'dc:'));
+        }
+
+        $this->assertArrayHasKey('@entity@', $story['metadatas']);
+        $this->assertEquals(\API_V1_adapter::OBJECT_TYPE_STORY_METADATA_BAG, $story['metadatas']['@entity@']);
+
         foreach ($story['records'] as $record) {
             $this->evaluateGoodRecord($record);
         }
@@ -2493,8 +2519,5 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
         $this->assertTrue(is_array($response['suggestions']));
         $this->assertTrue(is_array($response['results']));
         $this->assertTrue(is_string($response['query']));
-
-        $this->assertArrayHasKey('stories', $response['results']);
-        $this->assertArrayHasKey('records', $response['results']);
     }
 }