diff --git a/lib/classes/API/V1/Interface.php b/lib/classes/API/V1/Interface.php
index f0fb2ac7ab..fe0b3ba68d 100644
--- a/lib/classes/API/V1/Interface.php
+++ b/lib/classes/API/V1/Interface.php
@@ -9,6 +9,7 @@
  * file that was distributed with this source code.
  */
 
+use Alchemy\Phrasea\Application;
 use Symfony\Component\HttpFoundation\Request;
 
 /**
diff --git a/lib/classes/API/V1/adapter.php b/lib/classes/API/V1/adapter.php
index 782ed7dd50..6d0814451b 100644
--- a/lib/classes/API/V1/adapter.php
+++ b/lib/classes/API/V1/adapter.php
@@ -39,6 +39,7 @@ class API_V1_adapter extends API_V1_Abstract
      */
     protected $app;
 
+    const OBJECT_TYPE_USER = 'http://api.phraseanet.com/api/objects/user';
     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';
 
@@ -803,14 +804,16 @@ class API_V1_adapter extends API_V1_Abstract
             }
         }
 
-        $usr_id = null;
+        $usr_id = $user = null;
         if ($file->getSession()->getUser($this->app)) {
-            $usr_id = $file->getSession()->getUser($this->app)->get_id();
+            $user = $file->getSession()->getUser($this->app);
+            $usr_id = $user->get_id();
         }
 
         $session = array(
             'id'     => $file->getSession()->getId(),
             'usr_id' => $usr_id,
+            'user'   => $user ? $this->list_user($user) : null,
         );
 
         return array(
@@ -1390,6 +1393,7 @@ class API_V1_adapter extends API_V1_Abstract
                         'can_agree'      => $participant->getCanAgree(),
                         'can_see_others' => $participant->getCanSeeOthers(),
                         'readonly'       => $user->get_id() != $this->app['authentication']->getUser()->get_id(),
+                        'user'           => $this->list_user($user),
                     ),
                     'agreement'      => $validation_datas->getAgreement(),
                     'updated_on'     => $validation_datas->getUpdated()->format(DATE_ATOM),
@@ -1808,10 +1812,12 @@ class API_V1_adapter extends API_V1_Abstract
     {
         $ret = array(
             'basket_id'         => $basket->getId(),
+            'owner'             => $this->list_user($basket->getOwner($this->app)),
             'created_on'        => $basket->getCreated()->format(DATE_ATOM),
             'description'       => (string) $basket->getDescription(),
             'name'              => $basket->getName(),
             'pusher_usr_id'     => $basket->getPusherId(),
+            'pusher'            => $basket->getPusher($this->app) ? $this->list_user($basket->getPusher($this->app)) : null,
             'updated_on'        => $basket->getUpdated()->format(DATE_ATOM),
             'unread'            => !$basket->getIsRead(),
             'validation_basket' => !!$basket->getValidation()
@@ -1831,6 +1837,7 @@ class API_V1_adapter extends API_V1_Abstract
                     'can_agree'      => $participant->getCanAgree(),
                     'can_see_others' => $participant->getCanSeeOthers(),
                     'readonly'       => $user->get_id() != $this->app['authentication']->getUser()->get_id(),
+                    'user'           => $this->list_user($user),
                 );
             }
 
@@ -1842,11 +1849,12 @@ class API_V1_adapter extends API_V1_Abstract
 
             $ret = array_merge(
                     array(
-                'validation_users'     => $users,
-                'expires_on'           => $expires_on_atom,
-                'validation_infos'     => $basket->getValidation()->getValidationString($this->app, $this->app['authentication']->getUser()),
-                'validation_confirmed' => $basket->getValidation()->getParticipant($this->app['authentication']->getUser(), $this->app)->getIsConfirmed(),
-                'validation_initiator' => $basket->getValidation()->isInitiator($this->app['authentication']->getUser()),
+                'validation_users'          => $users,
+                'expires_on'                => $expires_on_atom,
+                'validation_infos'          => $basket->getValidation()->getValidationString($this->app, $this->app['authentication']->getUser()),
+                'validation_confirmed'      => $basket->getValidation()->getParticipant($this->app['authentication']->getUser(), $this->app)->getIsConfirmed(),
+                'validation_initiator'      => $basket->getValidation()->isInitiator($this->app['authentication']->getUser()),
+                'validation_initiator_user' => $this->list_user($basket->getValidation()->getInitiator($this->app)),
                     ), $ret
             );
         }
@@ -1972,6 +1980,7 @@ class API_V1_adapter extends API_V1_Abstract
         }
 
         return array(
+            '@entity@'        => self::OBJECT_TYPE_USER,
             'id'              => $user->get_id(),
             'email'           => $user->get_email() ?: null,
             'login'           => $user->get_login() ?: null,
diff --git a/tests/Alchemy/Tests/Phrasea/Application/ApiAbstract.php b/tests/Alchemy/Tests/Phrasea/Application/ApiAbstract.php
index 3f1d2321c4..b3198155aa 100644
--- a/tests/Alchemy/Tests/Phrasea/Application/ApiAbstract.php
+++ b/tests/Alchemy/Tests/Phrasea/Application/ApiAbstract.php
@@ -13,7 +13,7 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
 {
     /**
      *
-     * @var Symfony\Component\HttpKernel\Client
+     * @var \Symfony\Component\HttpKernel\Client
      */
     protected $client;
 
@@ -1160,7 +1160,7 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
         $this->assertArrayHasKey("baskets", $content['response']);
 
         foreach ($content['response']['baskets'] as $basket) {
-            $this->evaluateGoodBasket($basket);
+            $this->evaluateGoodBasket($basket, self::$DI['user_notAdmin']);
         }
 
         $route = '/api/v1/records/24892534/51654651553/related/';
@@ -1351,7 +1351,7 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
         $this->assertArrayHasKey("baskets", $content['response']);
 
         foreach ($content['response']['baskets'] as $basket) {
-            $this->evaluateGoodBasket($basket);
+            $this->evaluateGoodBasket($basket, self::$DI['user']);
         }
     }
 
@@ -1375,7 +1375,7 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
 
         $this->assertEquals(1, count($content['response']));
         $this->assertArrayHasKey("basket", $content['response']);
-        $this->evaluateGoodBasket($content['response']['basket']);
+        $this->evaluateGoodBasket($content['response']['basket'], self::$DI['user_notAdmin']);
         $this->assertEquals('un Joli Nom', $content['response']['basket']['name']);
     }
 
@@ -1405,7 +1405,7 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
 
         $this->assertArrayHasKey("basket_elements", $content['response']);
         $this->assertArrayHasKey("basket", $content['response']);
-        $this->evaluateGoodBasket($content['response']['basket']);
+        $this->evaluateGoodBasket($content['response']['basket'], self::$DI['user']);
 
         foreach ($content['response']['basket_elements'] as $basket_element) {
             $this->assertArrayHasKey('basket_element_id', $basket_element);
@@ -1442,7 +1442,7 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
 
         $this->assertEquals(1, count((array) $content['response']));
         $this->assertArrayHasKey("basket", $content['response']);
-        $this->evaluateGoodBasket($content['response']['basket']);
+        $this->evaluateGoodBasket($content['response']['basket'], self::$DI['user']);
 
         $this->assertEquals($content['response']['basket']['name'], 'un Joli Nom');
 
@@ -1456,7 +1456,7 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
 
         $this->assertArrayHasKey("basket", $content['response']);
 
-        $this->evaluateGoodBasket($content['response']['basket']);
+        $this->evaluateGoodBasket($content['response']['basket'], self::$DI['user']);
 
         $this->assertEquals($content['response']['basket']['name'], 'un Joli Nom');
 
@@ -1468,7 +1468,7 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
 
         $this->assertEquals(1, count((array) $content['response']));
         $this->assertArrayHasKey("basket", $content['response']);
-        $this->evaluateGoodBasket($content['response']['basket']);
+        $this->evaluateGoodBasket($content['response']['basket'], self::$DI['user']);
         $this->assertEquals($content['response']['basket']['name'], '<strong>aéaa');
     }
 
@@ -1496,7 +1496,7 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
         $this->assertEquals(1, count((array) $content['response']));
 
         $this->assertArrayHasKey("basket", $content['response']);
-        $this->evaluateGoodBasket($content['response']['basket']);
+        $this->evaluateGoodBasket($content['response']['basket'], self::$DI['user']);
         $this->assertEquals($content['response']['basket']['description'], 'une belle desc');
     }
 
@@ -1523,7 +1523,7 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
 
         $found = false;
         foreach ($content['response']['baskets'] as $basket) {
-            $this->evaluateGoodBasket($basket);
+            $this->evaluateGoodBasket($basket, self::$DI['user']);
             $found = true;
         }
         if (!$found) {
@@ -2037,6 +2037,15 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
     {
         $this->assertArrayHasKey('id', $item);
         $this->assertArrayHasKey('quarantine_session', $item);
+
+        $session = $item['quarantine_session'];
+        $this->assertArrayHasKey('id', $session);
+        $this->assertArrayHasKey('usr_id', $session);
+        $this->assertArrayHasKey('user', $session);
+        if ($session['user'] !== null) {
+            $this->evaluateGoodUserItem($session['user'], self::$DI['user_notAdmin']);
+        }
+
         $this->assertArrayHasKey('base_id', $item);
         $this->assertArrayHasKey('original_name', $item);
         $this->assertArrayHasKey('sha256', $item);
@@ -2070,6 +2079,7 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
     protected function evaluateGoodUserItem($data, \User_Adapter $user)
     {
         foreach (array(
+            '@entity@'        => \API_V1_adapter::OBJECT_TYPE_USER,
             'id'              => $user->get_id(),
             'email'           => $user->get_email() ?: null,
             'login'           => $user->get_login() ?: null,
@@ -2091,7 +2101,7 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
             'updated_on'      => $user->get_modification_date() ? $user->get_modification_date()->format(DATE_ATOM) : null,
             'locale'          => $user->get_locale() ?: null,
         ) as $key => $value) {
-            $this->assertArrayHasKey($key, $data);
+            $this->assertArrayHasKey($key, $data, 'Assert key is present '.$key);
             if ($value) {
                 $this->assertEquals($value, $data[$key], 'Check key '.$key);
             }
@@ -2434,9 +2444,13 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
         $this->assertEquals(405, $response->getStatusCode(), 'Test status code 405 ' . $response->getContent());
     }
 
-    protected function evaluateGoodBasket($basket)
+    protected function evaluateGoodBasket($basket, \User_Adapter $user)
     {
         $this->assertTrue(is_array($basket));
+        $this->assertArrayHasKey('basket_id', $basket);
+        $this->assertArrayHasKey('owner', $basket);
+        $this->evaluateGoodUserItem($basket['owner'], $user);
+        $this->assertArrayHasKey('pusher', $basket);
         $this->assertArrayHasKey('created_on', $basket);
         $this->assertArrayHasKey('description', $basket);
         $this->assertArrayHasKey('name', $basket);
@@ -2446,6 +2460,7 @@ abstract class ApiAbstract extends \PhraseanetWebTestCaseAbstract
 
         if (!is_null($basket['pusher_usr_id'])) {
             $this->assertTrue(is_int($basket['pusher_usr_id']));
+            $this->evaluateGoodUserItem($basket['pusher'], self::$DI['user_notAdmin']);
         }
 
         $this->assertTrue(is_string($basket['name']));