diff --git a/composer.json b/composer.json
index 87eaa4dde5..7f2c7a1fef 100644
--- a/composer.json
+++ b/composer.json
@@ -65,7 +65,8 @@
         "twig/twig"                        : "~1.14, >=1.14.2",
         "twig/extensions"                  : "~1.0",
         "vierbergenlars/php-semver"        : "~2.1",
-        "zend/gdata"                       : "~1.12.1"
+        "zend/gdata"                       : "~1.12.1",
+        "willdurand/negotiation"           : "~1.3"
     },
     "require-dev": {
         "doctrine/data-fixtures"           : "1.0.x@dev",
diff --git a/composer.lock b/composer.lock
index 13b332a281..688f5c3913 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "748dacbcdc2199ab5eed1a237bf4fd17",
+    "hash": "81820d7853d2c85cbb34fc57910d6963",
     "packages": [
         {
             "name": "alchemy-fr/tcpdf-clone",
@@ -3034,6 +3034,56 @@
             ],
             "time": "2013-09-20 10:41:27"
         },
+        {
+            "name": "willdurand/negotiation",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/willdurand/Negotiation.git",
+                "reference": "a98fb6b9808610c1aa326c736893d3d77d9383b6"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/willdurand/Negotiation/zipball/a98fb6b9808610c1aa326c736893d3d77d9383b6",
+                "reference": "a98fb6b9808610c1aa326c736893d3d77d9383b6",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.3-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "Negotiation": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "William Durand",
+                    "email": "william.durand1@gmail.com",
+                    "homepage": "http://www.willdurand.fr"
+                }
+            ],
+            "description": "Content Negotiation tools for PHP provided as a standalone library.",
+            "homepage": "http://williamdurand.fr/Negotiation/",
+            "keywords": [
+                "accept",
+                "content",
+                "format",
+                "header",
+                "negotiation"
+            ],
+            "time": "2014-05-16 12:34:51"
+        },
         {
             "name": "zend/gdata",
             "version": "1.12.1",
@@ -4043,6 +4093,7 @@
         "php-ffmpeg/php-ffmpeg": 20,
         "doctrine/data-fixtures": 20
     },
+    "prefer-stable": false,
     "platform": {
         "php": ">=5.3.3"
     },
diff --git a/lib/Alchemy/Phrasea/Application.php b/lib/Alchemy/Phrasea/Application.php
index 8c15144e23..779175e4b9 100644
--- a/lib/Alchemy/Phrasea/Application.php
+++ b/lib/Alchemy/Phrasea/Application.php
@@ -76,6 +76,7 @@ use Alchemy\Phrasea\Core\Provider\BorderManagerServiceProvider;
 use Alchemy\Phrasea\Core\Provider\CacheServiceProvider;
 use Alchemy\Phrasea\Core\Provider\ConfigurationServiceProvider;
 use Alchemy\Phrasea\Core\Provider\ConfigurationTesterServiceProvider;
+use Alchemy\Phrasea\Core\Provider\ContentNegotiationServiceProvider;
 use Alchemy\Phrasea\Core\Provider\CSVServiceProvider;
 use Alchemy\Phrasea\Core\Provider\FileServeServiceProvider;
 use Alchemy\Phrasea\Core\Provider\FtpServiceProvider;
@@ -301,6 +302,7 @@ class Application extends SilexApplication
         $this->register(new FileServeServiceProvider());
         $this->register(new PluginServiceProvider());
         $this->register(new PhraseaEventServiceProvider());
+        $this->register(new ContentNegotiationServiceProvider());
 
         $this['phraseanet.exception_handler'] = $this->share(function ($app) {
             return PhraseaExceptionHandler::register($app['debug']);
@@ -394,6 +396,7 @@ class Application extends SilexApplication
                 $dispatcher->addListener(KernelEvents::RESPONSE, array($app, 'addUTF8Charset'), -128);
                 $dispatcher->addSubscriber($app['phraseanet.logout-subscriber']);
                 $dispatcher->addSubscriber($app['phraseanet.locale-subscriber']);
+                $dispatcher->addSubscriber($app['phraseanet.content-negotiation-subscriber']);
                 $dispatcher->addSubscriber($app['phraseanet.maintenance-subscriber']);
                 $dispatcher->addSubscriber($app['phraseanet.cookie-disabler-subscriber']);
                 $dispatcher->addSubscriber($app['phraseanet.session-manager-subscriber']);
diff --git a/lib/Alchemy/Phrasea/Application/Api.php b/lib/Alchemy/Phrasea/Application/Api.php
index d51c6cd070..f2eb7888c1 100644
--- a/lib/Alchemy/Phrasea/Application/Api.php
+++ b/lib/Alchemy/Phrasea/Application/Api.php
@@ -24,9 +24,9 @@ use Monolog\Logger;
 use Monolog\Processor\WebProcessor;
 use Silex\Application as SilexApplication;
 use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
 
 return call_user_func(function ($environment = PhraseaApplication::ENV_PROD) {
-
     $app = new PhraseaApplication($environment);
     $app->loadPlugins();
 
@@ -39,6 +39,50 @@ return call_user_func(function ($environment = PhraseaApplication::ENV_PROD) {
         return $monolog;
     }));
 
+    // handle API content negotiation
+    $app->before(function(Request $request) use ($app) {
+        // register custom API format
+        $request->setFormat(\API_V1_result::FORMAT_JSON_EXTENDED, \API_V1_adapter::$extendedContentTypes['json']);
+        $request->setFormat(\API_V1_result::FORMAT_YAML_EXTENDED, \API_V1_adapter::$extendedContentTypes['yaml']);
+        $request->setFormat(\API_V1_result::FORMAT_JSONP_EXTENDED, \API_V1_adapter::$extendedContentTypes['jsonp']);
+        $request->setFormat(\API_V1_result::FORMAT_JSONP, array('text/javascript', 'application/javascript'));
+
+        // handle content negociation
+        $priorities = array('application/json', 'application/yaml', 'text/yaml', 'text/javascript', 'application/javascript');
+        foreach (\API_V1_adapter::$extendedContentTypes['json'] as $priorities[]);
+        foreach (\API_V1_adapter::$extendedContentTypes['yaml'] as $priorities[]);
+        $format = $app['format.negociator']->getBest($request->headers->get('accept') ,$priorities);
+
+        // throw unacceptable http error if API can not handle asked format
+        if (null === $format) {
+            $app->abort(406);
+        }
+        // set request format according to negotiated content or override format with JSONP if callback parameter is defined
+        if (trim($request->get('callback')) !== '') {
+            $request->setRequestFormat(\API_V1_result::FORMAT_JSONP);
+        } else {
+            $request->setRequestFormat($request->getFormat($format->getValue()));
+        }
+
+        // tells whether asked format is extended or not
+        $request->attributes->set('_extended', in_array(
+            $request->getRequestFormat(\API_V1_result::FORMAT_JSON),
+            array(
+                \API_V1_result::FORMAT_JSON_EXTENDED,
+                \API_V1_result::FORMAT_YAML_EXTENDED,
+                \API_V1_result::FORMAT_JSONP_EXTENDED
+            )
+        ));
+    }, PhraseaApplication::EARLY_EVENT);
+
+    $app->after(function(Request $request, Response $response) use ($app) {
+        if ($request->getRequestFormat(\API_V1_result::FORMAT_JSON) === \API_V1_result::FORMAT_JSONP && !$response->isOk() && !$response->isServerError()) {
+            $response->setStatusCode(200);
+        }
+        // set response content type
+        $response->headers->set('Content-Type', $request->getMimeType($request->getRequestFormat(\API_V1_result::FORMAT_JSON)));
+    });
+
     $app->register(new \API_V1_Timer());
     $app['dispatcher']->dispatch(PhraseaEvents::API_LOAD_START, new ApiLoadStartEvent());
 
diff --git a/lib/Alchemy/Phrasea/Core/Event/Subscriber/ApiExceptionHandlerSubscriber.php b/lib/Alchemy/Phrasea/Core/Event/Subscriber/ApiExceptionHandlerSubscriber.php
index d9ebf47189..03f62462cb 100644
--- a/lib/Alchemy/Phrasea/Core/Event/Subscriber/ApiExceptionHandlerSubscriber.php
+++ b/lib/Alchemy/Phrasea/Core/Event/Subscriber/ApiExceptionHandlerSubscriber.php
@@ -66,6 +66,8 @@ class ApiExceptionHandlerSubscriber implements EventSubscriberInterface
         } elseif ($e instanceof HttpExceptionInterface) {
             if (503 === $e->getStatusCode()) {
                 $code = \API_V1_result::ERROR_MAINTENANCE;
+            } else if (406 === $e->getStatusCode()) {
+                $code = \API_V1_result::ERROR_UNACCEPTABLE;
             } else {
                 $code = \API_V1_result::ERROR_INTERNALSERVERERROR;
             }
diff --git a/lib/Alchemy/Phrasea/Core/Event/Subscriber/ContentNegotiationSubscriber.php b/lib/Alchemy/Phrasea/Core/Event/Subscriber/ContentNegotiationSubscriber.php
new file mode 100644
index 0000000000..9769e71571
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Subscriber/ContentNegotiationSubscriber.php
@@ -0,0 +1,50 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Subscriber;
+
+use Alchemy\Phrasea\Application;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
+
+class ContentNegotiationSubscriber implements EventSubscriberInterface
+{
+    private $app;
+
+    public function __construct(Application $app)
+    {
+        $this->app = $app;
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return array(
+            KernelEvents::REQUEST => array('onKernelRequest', Application::EARLY_EVENT),
+        );
+    }
+
+    public function onKernelRequest(GetResponseEvent $event)
+    {
+        $priorities = array('text/html', 'application/json',  '*/*');
+        $format = $this->app['format.negociator']->getBest($event->getRequest()->headers->get('accept', '*/*'), $priorities);
+
+        if (null === $format) {
+            $this->app->abort(406, 'Not acceptable');
+        }
+
+        $event->getRequest()->setRequestFormat($event->getRequest()->getFormat($format->getValue()));
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Subscriber/PhraseaLocaleSubscriber.php b/lib/Alchemy/Phrasea/Core/Event/Subscriber/PhraseaLocaleSubscriber.php
index ef5e53e538..34ecb213cd 100644
--- a/lib/Alchemy/Phrasea/Core/Event/Subscriber/PhraseaLocaleSubscriber.php
+++ b/lib/Alchemy/Phrasea/Core/Event/Subscriber/PhraseaLocaleSubscriber.php
@@ -59,18 +59,6 @@ class PhraseaLocaleSubscriber implements EventSubscriberInterface
             return;
         }
 
-        /**
-         * add content negotiation here
-         */
-        $contentTypes = $event->getRequest()->getAcceptableContentTypes();
-        $event->getRequest()->setRequestFormat(
-            $event->getRequest()->getFormat(
-                array_shift(
-                    $contentTypes
-                )
-            )
-        );
-
         $this->app['locale'] = $this->app->share(function (Application $app) use ($event) {
             if (isset($app['phraseanet.registry'])) {
                 $event->getRequest()->setDefaultLocale(
diff --git a/lib/Alchemy/Phrasea/Core/Provider/ContentNegotiationServiceProvider.php b/lib/Alchemy/Phrasea/Core/Provider/ContentNegotiationServiceProvider.php
new file mode 100644
index 0000000000..afcb36ee25
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Provider/ContentNegotiationServiceProvider.php
@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Provider;
+
+use Negotiation\FormatNegotiator;
+use Negotiation\LanguageNegotiator;
+use Negotiation\Negotiator;
+use Silex\Application;
+use Silex\ServiceProviderInterface;
+
+class ContentNegotiationServiceProvider implements ServiceProviderInterface
+{
+    public function register(Application $app)
+    {
+        $app['negociator'] = $app->share(function ($app) {
+            return new Negotiator();
+        });
+
+        $app['format.negociator'] = $app->share(function ($app) {
+            return new FormatNegotiator();
+        });
+
+        $app['langage.negociator'] = $app->share(function ($app) {
+            return new LanguageNegotiator();
+        });
+    }
+
+    public function boot(Application $app)
+    {
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Provider/PhraseaEventServiceProvider.php b/lib/Alchemy/Phrasea/Core/Provider/PhraseaEventServiceProvider.php
index 1fda4c978b..ece1f1b21e 100644
--- a/lib/Alchemy/Phrasea/Core/Provider/PhraseaEventServiceProvider.php
+++ b/lib/Alchemy/Phrasea/Core/Provider/PhraseaEventServiceProvider.php
@@ -11,6 +11,7 @@
 
 namespace Alchemy\Phrasea\Core\Provider;
 
+use Alchemy\Phrasea\Core\Event\Subscriber\ContentNegotiationSubscriber;
 use Alchemy\Phrasea\Core\Event\Subscriber\CookiesDisablerSubscriber;
 use Alchemy\Phrasea\Core\Event\Subscriber\LogoutSubscriber;
 use Alchemy\Phrasea\Core\Event\Subscriber\MaintenanceSubscriber;
@@ -38,6 +39,9 @@ class PhraseaEventServiceProvider implements ServiceProviderInterface
         $app['phraseanet.session-manager-subscriber'] = $app->share(function (Application $app) {
             return new SessionManagerSubscriber($app);
         });
+        $app['phraseanet.content-negotiation-subscriber'] = $app->share(function (Application $app) {
+            return new ContentNegotiationSubscriber($app);
+        });
     }
 
     public function boot(Application $app)
diff --git a/lib/classes/API/V1/adapter.php b/lib/classes/API/V1/adapter.php
index 2660433459..5e470d9ee3 100644
--- a/lib/classes/API/V1/adapter.php
+++ b/lib/classes/API/V1/adapter.php
@@ -43,6 +43,12 @@ class API_V1_adapter extends API_V1_Abstract
     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';
 
+    public static $extendedContentTypes = array(
+        'json' => array('application/vnd.phraseanet.record-extended+json'),
+        'yaml' => array('application/vnd.phraseanet.record-extended+yaml'),
+        'jsonp' => array('application/vnd.phraseanet.record-extended+jsonp'),
+    );
+
     /**
      * API constructor
      *
@@ -846,9 +852,9 @@ class API_V1_adapter extends API_V1_Abstract
 
         foreach ($search_result->getResults() as $record) {
             if ($record->is_grouping()) {
-                $ret['results']['stories'][] = $this->list_story($record);
+                $ret['results']['stories'][] = $this->list_story($record, $request->get('_extended'));
             } else {
-                $ret['results']['records'][] = $this->list_record($record);
+                $ret['results']['records'][] = $this->list_record($record, $request->get('_extended'));
             }
         }
 
@@ -876,7 +882,7 @@ class API_V1_adapter extends API_V1_Abstract
         list($ret, $search_result) = $this->prepare_search_request($request);
 
         foreach ($search_result->getResults() as $record) {
-            $ret['results'][] = $this->list_record($record);
+            $ret['results'][] = $this->list_record($record, $request->get('_extended'));
         }
 
         /**
@@ -956,8 +962,8 @@ class API_V1_adapter extends API_V1_Abstract
 
         $record = $this->app['phraseanet.appbox']->get_databox($databox_id)->get_record($record_id);
 
-        $stories = array_map(function ($story) use ($that) {
-            return $that->list_story($story);
+        $stories = array_map(function ($story) use ($that, $request) {
+            return $that->list_story($story, $request->get('_extended'));
         }, array_values($record->get_grouping_parents()->get_elements()));
 
         $result->set_datas(array(
@@ -1175,7 +1181,7 @@ class API_V1_adapter extends API_V1_Abstract
             $collection = collection::get_from_base_id($this->app, $request->get('base_id'));
 
             $record->move_to_collection($collection, $this->app['phraseanet.appbox']);
-            $result->set_datas(array("record" => $this->list_record($record)));
+            $result->set_datas(array("record" => $this->list_record($record, $request->get('_extended'))));
         } catch (\Exception $e) {
             $result->set_error_message(API_V1_result::ERROR_BAD_REQUEST, $e->getMessage());
         }
@@ -1197,7 +1203,7 @@ class API_V1_adapter extends API_V1_Abstract
         $databox = $this->app['phraseanet.appbox']->get_databox($databox_id);
         try {
             $record = $databox->get_record($record_id);
-            $result->set_datas(array('record' => $this->list_record($record)));
+            $result->set_datas(array('record' => $this->list_record($record, $request->get('_extended'))));
         } catch (NotFoundHttpException $e) {
             $result->set_error_message(API_V1_result::ERROR_BAD_REQUEST, _('Record Not Found'));
         } catch (\Exception $e) {
@@ -1221,7 +1227,7 @@ class API_V1_adapter extends API_V1_Abstract
         $databox = $this->app['phraseanet.appbox']->get_databox($databox_id);
         try {
             $story = $databox->get_record($story_id);
-            $result->set_datas(array('story' => $this->list_story($story)));
+            $result->set_datas(array('story' => $this->list_story($story, $request->get('_extended'))));
         } catch (NotFoundHttpException $e) {
             $result->set_error_message(API_V1_result::ERROR_BAD_REQUEST, _('Story Not Found'));
         } catch (\Exception $e) {
@@ -1337,7 +1343,7 @@ class API_V1_adapter extends API_V1_Abstract
         $result->set_datas(
                 array(
                     "basket"          => $this->list_basket($Basket),
-                    "basket_elements" => $this->list_basket_content($Basket)
+                    "basket_elements" => $this->list_basket_content($Basket, $request->get('_extended'))
                 )
         );
 
@@ -1350,12 +1356,12 @@ class API_V1_adapter extends API_V1_Abstract
      * @param  \Entities\Basket $Basket
      * @return type
      */
-    protected function list_basket_content(\Entities\Basket $Basket)
+    protected function list_basket_content(\Entities\Basket $Basket, $extended = false)
     {
         $ret = array();
 
         foreach ($Basket->getElements() as $basket_element) {
-            $ret[] = $this->list_basket_element($basket_element);
+            $ret[] = $this->list_basket_element($basket_element, $extended);
         }
 
         return $ret;
@@ -1367,12 +1373,12 @@ class API_V1_adapter extends API_V1_Abstract
      * @param  \Entities\BasketElement $basket_element
      * @return type
      */
-    protected function list_basket_element(\Entities\BasketElement $basket_element)
+    protected function list_basket_element(\Entities\BasketElement $basket_element, $extended = false)
     {
         $ret = array(
             'basket_element_id' => $basket_element->getId(),
             'order'             => $basket_element->getOrd(),
-            'record'            => $this->list_record($basket_element->getRecord($this->app)),
+            'record'            => $this->list_record($basket_element->getRecord($this->app), $extended),
             'validation_item'   => null != $basket_element->getBasket()->getValidation(),
         );
 
@@ -1526,7 +1532,7 @@ class API_V1_adapter extends API_V1_Abstract
             'feed'         => $this->list_publication($feed, $user),
             'offset_start' => $offset_start,
             'per_page'     => $per_page,
-            'entries'      => $this->list_publications_entries($feed, $offset_start, $per_page),
+            'entries'      => $this->list_publications_entries($feed, $request->get('_extended'), $offset_start, $per_page),
         );
 
         $result->set_datas($datas);
@@ -1551,7 +1557,7 @@ class API_V1_adapter extends API_V1_Abstract
             'total_entries' => $feed->get_count_total_entries(),
             'offset_start'  => $offset_start,
             'per_page'      => $per_page,
-            'entries'       => $this->list_publications_entries($feed, $offset_start, $per_page),
+            'entries'       => $this->list_publications_entries($feed, $request->get('_extended'), $offset_start, $per_page),
         ));
 
         return $result;
@@ -1609,14 +1615,13 @@ class API_V1_adapter extends API_V1_Abstract
      * @param  int          $how_many
      * @return array
      */
-    protected function list_publications_entries(Feed_Abstract $feed, $offset_start = 0, $how_many = 5)
+    protected function list_publications_entries(Feed_Abstract $feed, $extended = false, $offset_start = 0, $how_many = 5)
     {
-
         $entries = $feed->get_entries($offset_start, $how_many)->get_entries();
 
         $out = array();
         foreach ($entries as $entry) {
-            $out[] = $this->list_publication_entry($entry);
+            $out[] = $this->list_publication_entry($entry, $extended);
         }
 
         return $out;
@@ -1628,11 +1633,11 @@ class API_V1_adapter extends API_V1_Abstract
      * @param  Feed_Entry_Adapter $entry
      * @return array
      */
-    protected function list_publication_entry(Feed_Entry_Adapter $entry)
+    protected function list_publication_entry(Feed_Entry_Adapter $entry, $extended = false)
     {
         $items = array();
         foreach ($entry->get_content() as $item) {
-            $items[] = $this->list_publication_entry_item($item);
+            $items[] = $this->list_publication_entry_item($item, $extended);
         }
 
         return array(
@@ -1657,11 +1662,11 @@ class API_V1_adapter extends API_V1_Abstract
      * @param  Feed_Entry_Item $item
      * @return array
      */
-    protected function list_publication_entry_item(Feed_Entry_Item $item)
+    protected function list_publication_entry_item(Feed_Entry_Item $item, $extended = false)
     {
         $datas = array(
-            'item_id' => $item->get_id()
-            , 'record'  => $this->list_record($item->get_record())
+            'item_id' => $item->get_id(),
+            'record'  => $this->list_record($item->get_record(), $extended)
         );
 
         return $datas;
@@ -1872,7 +1877,7 @@ class API_V1_adapter extends API_V1_Abstract
      * @param  record_adapter $record
      * @return array
      */
-    public function list_record(record_adapter $record)
+    public function list_record(record_adapter $record, $extended = false)
     {
         $technicalInformation = array();
         foreach ($record->get_technical_infos() as $name => $value) {
@@ -1882,7 +1887,7 @@ class API_V1_adapter extends API_V1_Abstract
             );
         }
 
-        return array(
+        $data =  array(
             'databox_id'             => $record->get_sbas_id(),
             'record_id'              => $record->get_record_id(),
             'mime_type'              => $record->get_mime(),
@@ -1897,6 +1902,33 @@ class API_V1_adapter extends API_V1_Abstract
             'phrasea_type'           => $record->get_type(),
             'uuid'                   => $record->get_uuid(),
         );
+
+        if ($extended) {
+            $subdefs = $caption = array();
+
+            foreach ($record->get_embedable_medias(array(), array()) as $name => $media) {
+                $subdefs[] = $this->list_embedable_media($media, $this->app['phraseanet.registry']);
+            }
+
+            foreach ($record->get_caption()->get_fields() as $field) {
+                $caption[] = array(
+                    'meta_structure_id' => $field->get_meta_struct_id(),
+                    'name'              => $field->get_name(),
+                    'value'             => $field->get_serialized_values(';'),
+                );
+            }
+
+            $extendedData = array(
+                'subdefs' => $subdefs,
+                'metadata' => $this->list_record_caption($record->get_caption()),
+                'status' => $this->list_record_status($record->get_databox(), $record->get_status()),
+                'caption' =>  $caption
+            );
+
+            $data = array_merge($data, $extendedData);
+        }
+
+        return $data;
     }
 
     /**
@@ -1906,15 +1938,15 @@ class API_V1_adapter extends API_V1_Abstract
      *
      * @return array
      */
-    public function list_story(record_adapter $story)
+    public function list_story(record_adapter $story, $extended = false)
     {
         if (!$story->is_grouping()) {
             throw new \API_V1_exception_notfound('Story not found');
         }
 
         $that = $this;
-        $records = array_map(function (\record_adapter $record) use ($that) {
-            return $that->list_record($record);
+        $records = array_map(function (\record_adapter $record) use ($that, $extended) {
+            return $that->list_record($record, $extended);
         }, array_values($story->get_children()->get_elements()));
 
         $caption = $story->get_caption();
diff --git a/lib/classes/API/V1/result.php b/lib/classes/API/V1/result.php
index 04c69ed86c..dfef2bf645 100644
--- a/lib/classes/API/V1/result.php
+++ b/lib/classes/API/V1/result.php
@@ -14,77 +14,49 @@ use Alchemy\Phrasea\Core\PhraseaEvents;
 use Silex\Application;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Yaml\Dumper;
 
 class API_V1_result
 {
     protected $app;
 
-    /**
-     *
-     * @var string
-     */
+    /** @var string */
     protected $api_version;
 
-    /**
-     *
-     * @var string
-     */
+    /** @var string */
     protected $response_time;
 
-    /**
-     *
-     * @var int
-     */
+    /** @var int */
     protected $http_code = 200;
 
-    /**
-     *
-     * @var string
-     */
+    /** @var string */
     protected $error_type;
 
-    /**
-     *
-     * @var string
-     */
+    /** @var string */
     protected $error_message;
 
-    /**
-     *
-     * @var string
-     */
+    /** @var string */
     protected $error_details;
 
-    /**
-     *
-     * @var string
-     */
+    /** @var string */
     protected $request;
 
-    /**
-     *
-     * @var mixed
-     */
+    /** @var mixed */
     protected $response;
 
-    /**
-     *
-     * @var string
-     */
-    protected $response_type;
-
-    /**
-     * Constant for responsetype json
-     */
+    /** Constant for response type json */
     const FORMAT_JSON = 'json';
-    /**
-     * Constant for responsetype yaml
-     */
+    /** Constant for response type yaml */
     const FORMAT_YAML = 'yaml';
-    /**
-     * Constant for responsetype jsonp
-     */
+    /** Constant for response type jsonp */
     const FORMAT_JSONP = 'jsonp';
+    /** Constant for response type json+extended */
+    const FORMAT_JSON_EXTENDED = 'json+extended';
+    /** Constant for response type yaml+extended */
+    const FORMAT_YAML_EXTENDED = 'yaml+extended';
+    /** Constant for response type jsonp+extended */
+    const FORMAT_JSONP_EXTENDED = 'jsonp+extended';
+
     const ERROR_BAD_REQUEST = 'Bad Request';
     const ERROR_UNAUTHORIZED = 'Unauthorized';
     const ERROR_FORBIDDEN = 'Forbidden';
@@ -92,6 +64,7 @@ class API_V1_result
     const ERROR_MAINTENANCE = 'Service Temporarily Unavailable';
     const ERROR_METHODNOTALLOWED = 'Method Not Allowed';
     const ERROR_INTERNALSERVERERROR = 'Internal Server Error';
+    const ERROR_UNACCEPTABLE = 'Unacceptable';
 
     /**
      * API v1 Result constructor
@@ -112,37 +85,9 @@ class API_V1_result
         $this->response_time = $date->format(DATE_ATOM);
         $this->response = new stdClass();
 
-        $this->parse_response_type();
-
         return $this;
     }
 
-    protected function parse_response_type()
-    {
-        if (trim($this->request->get('callback')) !== '') {
-            return $this->response_type = self::FORMAT_JSONP;
-        }
-
-        $accept = $this->request->getAcceptableContentTypes();
-        $response_types = array();
-
-        foreach ($accept as $key => $app_type) {
-            $response_types[strtolower($app_type)] = true;
-        }
-
-        if (array_key_exists('application/json', $response_types)) {
-            return $this->response_type = self::FORMAT_JSON;
-        }
-        if (array_key_exists('application/yaml', $response_types)) {
-            return $this->response_type = self::FORMAT_YAML;
-        }
-        if (array_key_exists('text/yaml', $response_types)) {
-            return $this->response_type = self::FORMAT_YAML;
-        }
-
-        return $this->response_type = self::FORMAT_JSON;
-    }
-
     /**
      * Set datas to the response
      * If no datas provided (aka empty array), a stdClass if set,
@@ -153,8 +98,9 @@ class API_V1_result
      */
     public function set_datas(array $datas)
     {
-        if (count($datas) === 0)
+        if (count($datas) === 0) {
             $datas = new stdClass ();
+        }
         $this->response = $datas;
 
         return $this;
@@ -177,16 +123,13 @@ class API_V1_result
      */
     public function format()
     {
-        $request_uri = sprintf('%s %s'
-            , $this->request->getMethod()
-            , $this->request->getBasePath()
-            . $this->request->getPathInfo()
-        );
-
         $ret = array(
             'meta' => array(
                 'api_version'   => $this->api_version
-                , 'request'       => $request_uri
+                , 'request'       => sprintf('%s %s',
+                    $this->request->getMethod(),
+                    $this->request->getBasePath() . $this->request->getPathInfo()
+                )
                 , 'response_time' => $this->response_time
                 , 'http_code'     => $this->http_code
                 , 'error_type'    => $this->error_type
@@ -207,45 +150,25 @@ class API_V1_result
 
         $return_value = false;
 
-        switch ($this->response_type) {
+        switch ($this->request->getRequestFormat(self::FORMAT_JSON)) {
             case self::FORMAT_JSON:
+            case self::FORMAT_JSON_EXTENDED:
             default:
-                $return_value = p4string::jsonencode($ret);
+                $return_value = \p4string::jsonencode($ret);
                 break;
             case self::FORMAT_YAML:
-                if ($ret['response'] instanceof stdClass)
+            case self::FORMAT_YAML_EXTENDED:
+                if ($ret['response'] instanceof \stdClass) {
                     $ret['response'] = array();
+                }
 
-                $dumper = new Symfony\Component\Yaml\Dumper();
+                $dumper = new Dumper();
                 $return_value = $dumper->dump($ret, 8);
                 break;
             case self::FORMAT_JSONP:
+            case self::FORMAT_JSONP_EXTENDED:
                 $callback = trim($this->request->get('callback'));
-                $return_value = $callback . '(' . p4string::jsonencode($ret) . ')';
-                break;
-        }
-
-        return $return_value;
-    }
-
-    /**
-     * Return serailized datas content type
-     *
-     * @return string
-     */
-    public function get_content_type()
-    {
-        switch ($this->response_type) {
-
-            case self::FORMAT_JSON:
-            default:
-                $return_value = 'application/json';
-                break;
-            case self::FORMAT_YAML:
-                $return_value = 'application/yaml';
-                break;
-            case self::FORMAT_JSONP:
-                $return_value = 'text/javascript';
+                $return_value = $callback . '(' . \p4string::jsonencode($ret) . ')';
                 break;
         }
 
@@ -301,6 +224,10 @@ class API_V1_result
                 $this->error_type = $const;
                 $this->error_message = API_V1_exception_maintenance::get_details();
                 break;
+            case self::ERROR_UNACCEPTABLE:
+                $this->http_code = 406;
+                $this->error_type = $const;
+                break;
             case OAUTH2_ERROR_INVALID_REQUEST:
                 $this->error_type = $const;
                 break;
@@ -345,6 +272,10 @@ class API_V1_result
                 $this->error_type = self::ERROR_METHODNOTALLOWED;
                 $this->error_message = API_V1_exception_methodnotallowed::get_details();
                 break;
+            case 406:
+                $this->http_code = $code;
+                $this->error_type = self::ERROR_UNACCEPTABLE;
+                break;
             case 500:
                 $this->http_code = $code;
                 $this->error_type = self::ERROR_INTERNALSERVERERROR;
@@ -362,11 +293,7 @@ class API_V1_result
      */
     public function get_http_code()
     {
-        if ($this->response_type == self::FORMAT_JSONP && $this->http_code != 500) {
-            return 200;
-        } else {
-            return $this->http_code;
-        }
+        return $this->http_code;
     }
 
     /**
@@ -385,11 +312,7 @@ class API_V1_result
      */
     public function get_response()
     {
-        $response = new Response(
-                $this->format(),
-                $this->get_http_code(),
-                array('Content-Type'  => $this->get_content_type())
-        );
+        $response = new Response($this->format(), $this->get_http_code());
         $response->setCharset('UTF-8');
 
         return $response;
diff --git a/tests/Alchemy/Tests/Phrasea/Core/Event/Subscriber/ApiExceptionHandlerSubscriberTest.php b/tests/Alchemy/Tests/Phrasea/Core/Event/Subscriber/ApiExceptionHandlerSubscriberTest.php
index 667ee18000..8c617d7348 100644
--- a/tests/Alchemy/Tests/Phrasea/Core/Event/Subscriber/ApiExceptionHandlerSubscriberTest.php
+++ b/tests/Alchemy/Tests/Phrasea/Core/Event/Subscriber/ApiExceptionHandlerSubscriberTest.php
@@ -29,7 +29,6 @@ class ApiExceptionHandlerSubscriberTest extends \PHPUnit_Framework_TestCase
         $client->request('GET', '/');
 
         $this->assertEquals($code, $client->getResponse()->getStatusCode());
-        $this->assertEquals('application/json', $client->getResponse()->headers->get('content-type'));
     }
 
     public function provideExceptionsAndCode()
diff --git a/tests/Alchemy/Tests/Phrasea/Core/Event/Subscriber/ContentNegotiationSubscriberTest.php b/tests/Alchemy/Tests/Phrasea/Core/Event/Subscriber/ContentNegotiationSubscriberTest.php
new file mode 100644
index 0000000000..dd6102a36d
--- /dev/null
+++ b/tests/Alchemy/Tests/Phrasea/Core/Event/Subscriber/ContentNegotiationSubscriberTest.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Alchemy\Tests\Phrasea\Core\Event\Subscriber;
+
+use Alchemy\Phrasea\Application;
+use Alchemy\Phrasea\Core\Event\Subscriber\ContentNegotiationSubscriber;
+use Symfony\Component\HttpKernel\Client;
+
+class ContentNegotiationSubscriberTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @dataProvider negotiationProvider
+     */
+    public function testContentNegotiationProvider($negotiationHeader, $expectedContentType)
+    {
+        $response = $this->request($negotiationHeader, $expectedContentType);
+        $this->assertArrayHasKey('content-type', $response->headers->all());
+        $this->assertEquals($expectedContentType, $response->headers->get('content-type'));
+    }
+
+    public function negotiationProvider()
+    {
+        return array(
+            array('text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'text/html; charset=UTF-8'),
+            array('application/xml,application/xhtml+xml,text/html;q=0.9, text/plain;q=0.8,image/png,*/*;q=0.5', 'text/html; charset=UTF-8'),
+            array('image/jpeg, application/x-ms-application, image/gif, application/xaml+xml, image/pjpeg, application/x-ms-xbap, application/x-shockwave-flash, application/msword, */*', 'text/html; charset=UTF-8'),
+            array('application/json, */*', 'application/json')
+        );
+    }
+
+    private function request($accept)
+    {
+        $app = new Application('test');
+        $app['dispatcher']->addSubscriber(new ContentNegotiationSubscriber($app));
+        $app->get('/content/negociation', function () {
+            return '';
+        });
+        $client = new Client($app);
+        $client->request('GET', '/content/negociation',
+            array(),
+            array(),
+            array(
+                'HTTP_Accept' => $accept
+            )
+        );
+
+        return $client->getResponse();
+    }
+}
diff --git a/tests/Alchemy/Tests/Phrasea/Core/Provider/ContentNegotiationServiceProviderTest.php b/tests/Alchemy/Tests/Phrasea/Core/Provider/ContentNegotiationServiceProviderTest.php
new file mode 100644
index 0000000000..79defe4d14
--- /dev/null
+++ b/tests/Alchemy/Tests/Phrasea/Core/Provider/ContentNegotiationServiceProviderTest.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace Alchemy\Tests\Phrasea\Core\Provider;
+
+use Alchemy\Phrasea\Application as PhraseaApplication;
+use Silex\Application;
+
+class classContentNegotiationServiceProviderTest extends ServiceProviderTestCase
+{
+    public function provideServiceDescription()
+    {
+        return array(
+            array(
+                'Alchemy\Phrasea\Core\Provider\ContentNegotiationServiceProvider',
+                'negociator',
+                'Negotiation\Negotiator',
+            ),
+            array(
+                'Alchemy\Phrasea\Core\Provider\ContentNegotiationServiceProvider',
+                'format.negociator',
+                'Negotiation\FormatNegotiator'
+            ),
+            array(
+                'Alchemy\Phrasea\Core\Provider\ContentNegotiationServiceProvider',
+                'langage.negociator',
+                'Negotiation\LanguageNegotiator'
+            )
+        );
+    }
+}
diff --git a/tests/classes/api/v1/api_v1_adapterTest.php b/tests/classes/api/v1/api_v1_adapterTest.php
index c3697af9e2..124fe1a188 100644
--- a/tests/classes/api/v1/api_v1_adapterTest.php
+++ b/tests/classes/api/v1/api_v1_adapterTest.php
@@ -24,32 +24,26 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $result = $this->object->get_error_code($request, 400);
         $this->assertTrue(is_array(json_decode($result->format(), true)));
         $this->assertEquals(400, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
 
         $result = $this->object->get_error_code($request, 403);
         $this->assertTrue(is_array(json_decode($result->format(), true)));
         $this->assertEquals(403, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
 
         $result = $this->object->get_error_code($request, 500);
         $this->assertTrue(is_array(json_decode($result->format(), true)));
         $this->assertEquals(500, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
 
         $result = $this->object->get_error_code($request, 405);
         $this->assertTrue(is_array(json_decode($result->format(), true)));
         $this->assertEquals(405, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
 
         $result = $this->object->get_error_code($request, 404);
         $this->assertTrue(is_array(json_decode($result->format(), true)));
         $this->assertEquals(404, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
 
         $result = $this->object->get_error_code($request, 401);
         $this->assertTrue(is_array(json_decode($result->format(), true)));
         $this->assertEquals(401, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
     }
 
     public function testGet_error_message()
@@ -58,32 +52,26 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $result = $this->object->get_error_message($request, API_V1_result::ERROR_BAD_REQUEST, 'detaillage');
         $this->assertTrue(is_array(json_decode($result->format(), true)));
         $this->assertEquals(400, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
 
         $result = $this->object->get_error_message($request, API_V1_result::ERROR_FORBIDDEN, 'detaillage');
         $this->assertTrue(is_array(json_decode($result->format(), true)));
         $this->assertEquals(403, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
 
         $result = $this->object->get_error_message($request, API_V1_result::ERROR_INTERNALSERVERERROR, 'detaillage');
         $this->assertTrue(is_array(json_decode($result->format(), true)));
         $this->assertEquals(500, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
 
         $result = $this->object->get_error_message($request, API_V1_result::ERROR_METHODNOTALLOWED, 'detaillage');
         $this->assertTrue(is_array(json_decode($result->format(), true)));
         $this->assertEquals(405, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
 
         $result = $this->object->get_error_message($request, API_V1_result::ERROR_NOTFOUND, 'detaillage');
         $this->assertTrue(is_array(json_decode($result->format(), true)));
         $this->assertEquals(404, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
 
         $result = $this->object->get_error_message($request, API_V1_result::ERROR_UNAUTHORIZED, 'detaillage');
         $this->assertTrue(is_array(json_decode($result->format(), true)));
         $this->assertEquals(401, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
     }
 
     public function testGet_version()
@@ -96,7 +84,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array(), array(), array(), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->get_databoxes($request);
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
     }
 
@@ -106,7 +93,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         foreach (self::$DI['app']['phraseanet.appbox']->get_databoxes() as $databox) {
             $result = $this->object->get_databox_collections($request, $databox->get_sbas_id());
             $this->assertEquals(200, $result->get_http_code());
-            $this->assertEquals('application/json', $result->get_content_type());
             $this->assertTrue(is_array(json_decode($result->format(), true)));
         }
     }
@@ -121,7 +107,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array(), array(), array(), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->get_record($request, self::$DI['record_1']->get_sbas_id(), self::$DI['record_1']->get_record_id());
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
     }
 
@@ -131,7 +116,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         foreach (self::$DI['app']['phraseanet.appbox']->get_databoxes() as $databox) {
             $result = $this->object->get_databox_status($request, $databox->get_sbas_id());
             $this->assertEquals(200, $result->get_http_code());
-            $this->assertEquals('application/json', $result->get_content_type());
             $this->assertTrue(is_array(json_decode($result->format(), true)));
         }
     }
@@ -142,7 +126,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         foreach (self::$DI['app']['phraseanet.appbox']->get_databoxes() as $databox) {
             $result = $this->object->get_databox_metadatas($request, $databox->get_sbas_id());
             $this->assertEquals(200, $result->get_http_code());
-            $this->assertEquals('application/json', $result->get_content_type());
             $this->assertTrue(is_array(json_decode($result->format(), true)));
         }
     }
@@ -153,7 +136,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         foreach (self::$DI['app']['phraseanet.appbox']->get_databoxes() as $databox) {
             $result = $this->object->get_databox_terms($request, $databox->get_sbas_id());
             $this->assertEquals(200, $result->get_http_code());
-            $this->assertEquals('application/json', $result->get_content_type());
             $this->assertTrue(is_array(json_decode($result->format(), true)));
         }
     }
@@ -167,7 +149,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array('record_type' => "image", 'search_type' => 0), array(), array(), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->search_records($request);
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
 
         $data = json_decode($result->format(), true);
@@ -190,7 +171,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array(), array(), array(), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->search_records($request);
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
 
         $data = json_decode($result->format(), true);
@@ -251,7 +231,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array('search_type' => 1), array(), array(), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->search_records($request);
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
 
         $data = json_decode($result->format(), true);
@@ -283,7 +262,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array('search_type' => 1), array(), array(), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->search($request);
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
 
         $data = json_decode($result->format(), true);
@@ -314,7 +292,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array('search_type' => 0), array(), array(), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->search($request);
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
 
         $data = json_decode($result->format(), true);
@@ -353,7 +330,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array(), array(), array(), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->get_record_related($request, self::$DI['record_1']->get_sbas_id(), self::$DI['record_1']->get_record_id());
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
 
         $data = json_decode($result->format(), true);
@@ -392,7 +368,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array(), array(), array(), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->get_record_metadatas($request, self::$DI['record_1']->get_sbas_id(), self::$DI['record_1']->get_record_id());
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
     }
 
@@ -403,7 +378,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array(), array(), array(), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->get_record_status($request, self::$DI['record_1']->get_sbas_id(), self::$DI['record_1']->get_record_id());
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
     }
 
@@ -413,7 +387,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array(), array(), array(), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->get_record_embed($request, self::$DI['record_1']->get_sbas_id(), self::$DI['record_1']->get_record_id());
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
     }
 
@@ -540,7 +513,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array(), array(), array(), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->search_baskets($request);
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
     }
 
@@ -549,7 +521,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array(), array(), array('name' => 'BIG BASKET'), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->create_basket($request);
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
 
         $n = 0;
@@ -586,7 +557,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array(), array(), array(), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->delete_basket($request, $ssel_id);
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
 
         $repo = $em->getRepository('\Entities\Basket');
@@ -608,7 +578,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array(), array(), array(), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->get_basket($request, $basket->getId());
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
     }
 
@@ -621,7 +590,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array(), array(), array('name' => 'PROUTO'), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->set_basket_title($request, $basket->getId());
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
 
         $repository = self::$DI['app']['EM']->getRepository('\Entities\Basket');
@@ -640,7 +608,6 @@ class API_V1_adapterTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $request = new Request(array(), array(), array('description' => 'une belle description'), array(), array(), array('HTTP_Accept' => 'application/json'));
         $result = $this->object->set_basket_description($request, $basket->getId());
         $this->assertEquals(200, $result->get_http_code());
-        $this->assertEquals('application/json', $result->get_content_type());
         $this->assertTrue(is_array(json_decode($result->format(), true)));
 
         $repository = self::$DI['app']['EM']->getRepository('\Entities\Basket');
diff --git a/tests/classes/api/v1/api_v1_resultTest.php b/tests/classes/api/v1/api_v1_resultTest.php
index 08cb107422..51041dfead 100644
--- a/tests/classes/api/v1/api_v1_resultTest.php
+++ b/tests/classes/api/v1/api_v1_resultTest.php
@@ -32,157 +32,9 @@ class API_V1_resultTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $this->assertObjectHasAttribute('time', $timer);
     }
 
-    public function testFormatJson()
-    {
-        $server = array(
-            "HTTP_ACCEPT"     => "application/json"
-            , 'REQUEST_METHOD'  => 'GET'
-            , 'SCRIPT_FILENAME' => 'my/base/path/my/request/uri/filename'
-            , "REQUEST_URI"     => "my/base/path/my/request/uri"
-            , 'PHP_SELF'        => 'my/base/path'
-        );
-        $request = new Request(array("callback" => ""), array(), array(), array(), array(), $server);
-
-        $api_result = new API_V1_result(self::$DI['app'], $request, $this->api);
-        $return = $api_result->format();
-        $this->assertInternalType(PHPUnit_Framework_Constraint_IsType::TYPE_STRING, $return);
-        $response = json_decode($return);
-        $this->assertInternalType(PHPUnit_Framework_Constraint_IsType::TYPE_OBJECT, $response);
-        $this->assertObjectHasAttribute("meta", $response);
-        $this->assertInternalType(PHPUnit_Framework_Constraint_IsType::TYPE_OBJECT, $response->meta);
-        $this->assertObjectHasAttribute("response", $response);
-        $this->assertInternalType(PHPUnit_Framework_Constraint_IsType::TYPE_OBJECT, $response->response);
-        $this->assertEquals(0, sizeof(get_object_vars($response->response)));
-        $this->assertEquals(0, sizeof(get_class_methods($response->response)));
-        $this->checkResponseFieldMeta($response, "api_version", "my_super_version1.0", PHPUnit_Framework_Constraint_IsType::TYPE_STRING);
-        $this->checkResponseFieldMeta($response, "request", "GET my/base/path/my/request/uri", PHPUnit_Framework_Constraint_IsType::TYPE_STRING);
-
-        $this->assertObjectHasAttribute("timers", $response);
-        $this->assertCount(1, $response->timers);
-
-        foreach ($response->timers as $timer) {
-            $this->assertIsTimer($timer);
-        }
-
-        $date = new \DateTime();
-        $now = $date->format('U');
-
-        $date_query = \DateTime::createFromFormat(DATE_ATOM, $response->meta->response_time);
-        $now_query = $date_query->format('U');
-
-        $this->assertLessThan(1, $now_query - $now);
-
-        $this->assertDateAtom($response->meta->response_time);
-        $date = new DateTime();
-        $now_U = $date->format('U');
-        $date_resp = DateTime::createFromFormat(DATE_ATOM, $response->meta->response_time);
-        $resp_U = $date_resp->format('U');
-
-        $this->assertLessThan(3, abs($resp_U - $now_U), 'No more than 3sec between now and the query');
-
-        $this->checkResponseFieldMeta($response, "http_code", 200, PHPUnit_Framework_Constraint_IsType::TYPE_INT);
-        $this->checkResponseFieldMeta($response, "charset", "UTF-8", PHPUnit_Framework_Constraint_IsType::TYPE_STRING);
-        $this->assertObjectHasAttribute("error_message", $response->meta);
-        $this->assertNull($response->meta->error_message);
-        $this->assertObjectHasAttribute("error_details", $response->meta);
-        $this->assertNull($response->meta->error_details);
-
-        $this->assertObjectHasAttribute("timers", $response);
-        $this->assertCount(1, $response->timers);
-
-        foreach ($response->timers as $timer) {
-            $this->assertIsTimer($timer);
-        }
-    }
-
-    public function testFormatYaml()
-    {
-        $server = array(
-            "HTTP_ACCEPT"     => "application/yaml"
-            , 'REQUEST_METHOD'  => 'GET'
-            , 'SCRIPT_FILENAME' => 'my/base/path/my/request/uri/filename'
-            , "REQUEST_URI"     => "my/base/path/my/request/uri"
-            , 'PHP_SELF'        => 'my/base/path'
-        );
-        $request = new Request(array("callback" => ""), array(), array(), array(), array(), $server);
-
-        $api_result = new API_V1_result(self::$DI['app'], $request, $this->api);
-        $return = $api_result->format();
-        $sfYaml = new Symfony\Component\Yaml\Parser();
-        $response = $sfYaml->parse($return);
-        $this->assertInternalType(PHPUnit_Framework_Constraint_IsType::TYPE_ARRAY, $response);
-        $this->assertArrayHasKey("meta", $response);
-        $this->assertInternalType(PHPUnit_Framework_Constraint_IsType::TYPE_ARRAY, $response["meta"]);
-        $this->assertArrayHasKey("response", $response);
-        $this->assertInternalType(PHPUnit_Framework_Constraint_IsType::TYPE_ARRAY, $response["response"]);
-        $this->assertEquals(0, count($response["response"]));
-        $this->assertArrayHasKey("api_version", $response["meta"]);
-        $this->assertInternalType(PHPUnit_Framework_Constraint_IsType::TYPE_STRING, $response["meta"]["api_version"]);
-        $this->assertEquals("my_super_version1.0", $response["meta"]["api_version"]);
-        $this->assertArrayHasKey("request", $response["meta"]);
-        $this->assertInternalType(PHPUnit_Framework_Constraint_IsType::TYPE_STRING, $response["meta"]["request"]);
-        $this->assertEquals("GET my/base/path/my/request/uri", $response["meta"]["request"]);
-        $this->assertArrayHasKey("response_time", $response["meta"]);
-        $this->assertInternalType(PHPUnit_Framework_Constraint_IsType::TYPE_STRING, $response["meta"]["response_time"]);
-
-        $this->assertDateAtom($response["meta"]["response_time"]);
-        $date_obj1 = DateTime::createFromFormat(DATE_ATOM, $response["meta"]["response_time"]);
-        $date_obj2 = new DateTime();
-        $this->assertLessThan(3, abs($date_obj1->format('U') - $date_obj2->format('U')), 'No more than 3sec between now and the query');
-
-        $this->assertArrayHasKey("http_code", $response["meta"]);
-        $this->assertInternalType(PHPUnit_Framework_Constraint_IsType::TYPE_INT, $response["meta"]["http_code"]);
-        $this->assertEquals(200, $response["meta"]["http_code"]);
-        $this->assertArrayHasKey("error_message", $response["meta"]);
-        $this->assertNull($response["meta"]["error_message"]);
-        $this->assertArrayHasKey("error_details", $response["meta"]);
-        $this->assertNull($response["meta"]["error_details"]);
-        $this->assertArrayHasKey("charset", $response["meta"]);
-        $this->assertInternalType(PHPUnit_Framework_Constraint_IsType::TYPE_STRING, $response["meta"]["charset"]);
-        $this->assertEquals("UTF-8", $response["meta"]["charset"]);
-
-        $this->assertArrayHasKey("timers", $response);
-        $this->assertCount(1, $response['timers']);
-    }
-
-    public function testFormatJsonP()
-    {
-        $server = array(
-            "HTTP_ACCEPT"     => "application/yaml"
-            , 'REQUEST_METHOD'  => 'GET'
-            , 'SCRIPT_FILENAME' => 'my/base/path/my/request/uri/filename'
-            , "REQUEST_URI"     => "my/base/path/my/request/uri"
-            , 'PHP_SELF'        => 'my/base/path'
-        );
-        $request = new Request(array("callback" => "my_callback_function"), array(), array(), array(), array(), $server);
-
-        $api_result = new API_V1_result(self::$DI['app'], $request, $this->api);
-        $return = $api_result->format();
-        $this->assertInternalType(PHPUnit_Framework_Constraint_IsType::TYPE_STRING, $return);
-        $this->assertRegexp("/my_callback_function\(\{.+\}\)/", $return);
-        $response = json_decode(substr($return, 21, strlen($return) - 22));
-
-        $this->assertObjectHasAttribute("timers", $response);
-        $this->assertCount(1, $response->timers);
-
-        foreach ($response->timers as $timer) {
-            $this->assertIsTimer($timer);
-        }
-    }
-
-    /**
-     * @depends testFormatJson
-     */
     public function testSet_datas()
     {
-        $server = array(
-            "HTTP_ACCEPT"     => "application/json"
-            , 'REQUEST_METHOD'  => 'GET'
-            , 'SCRIPT_FILENAME' => 'my/base/path/my/request/uri/filename'
-            , "REQUEST_URI"     => "my/base/path/my/request/uri"
-            , 'PHP_SELF'        => 'my/base/path'
-        );
-        $request = new Request(array("callback" => ""), array(), array(), array(), array(), $server);
+        $request = new Request();
 
         $api_result = new API_V1_result(self::$DI['app'], $request, $this->api);
         $api_result->set_datas(array("pirouette" => "cacahuete", "black"     => true, "bob"       => array("bob")));
@@ -194,14 +46,7 @@ class API_V1_resultTest extends PhraseanetPHPUnitAuthenticatedAbstract
 
     public function testGet_datas()
     {
-        $server = array(
-            "HTTP_ACCEPT"     => "application/json"
-            , 'REQUEST_METHOD'  => 'GET'
-            , 'SCRIPT_FILENAME' => 'my/base/path/my/request/uri/filename'
-            , "REQUEST_URI"     => "my/base/path/my/request/uri"
-            , 'PHP_SELF'        => 'my/base/path'
-        );
-        $request = new Request(array("callback" => ""), array(), array(), array(), array(), $server);
+        $request = new Request();
 
         $data = array("pirouette" => "cacahuete", "black"     => true, "bob"       => array("bob"));
         $api_result = new API_V1_result(self::$DI['app'], $request, $this->api);
@@ -212,14 +57,7 @@ class API_V1_resultTest extends PhraseanetPHPUnitAuthenticatedAbstract
 
     public function testGet_Emptydatas()
     {
-        $server = array(
-            "HTTP_ACCEPT"     => "application/json"
-            , 'REQUEST_METHOD'  => 'GET'
-            , 'SCRIPT_FILENAME' => 'my/base/path/my/request/uri/filename'
-            , "REQUEST_URI"     => "my/base/path/my/request/uri"
-            , 'PHP_SELF'        => 'my/base/path'
-        );
-        $request = new Request(array("callback" => ""), array(), array(), array(), array(), $server);
+        $request = new Request();
 
         $data = array();
         $api_result = new API_V1_result(self::$DI['app'], $request, $this->api);
@@ -242,37 +80,6 @@ class API_V1_resultTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $this->assertEquals($expected_value, $response->response->$field);
     }
 
-    public function testGet_content_type()
-    {
-        $server = array("HTTP_ACCEPT" => "application/json");
-        $request = new Request(array("callback" => ""), array(), array(), array(), array(), $server);
-        $api_result = new API_V1_result(self::$DI['app'], $request, $this->api);
-        $this->assertEquals("application/json", $api_result->get_content_type());
-
-        $server = array("HTTP_ACCEPT" => "application/yaml");
-        $request = new Request(array("callback" => ""), array(), array(), array(), array(), $server);
-        $api_result = new API_V1_result(self::$DI['app'], $request, $this->api);
-        $this->assertEquals('application/yaml', $api_result->get_content_type());
-
-        $server = array("HTTP_ACCEPT" => "text/yaml");
-        $request = new Request(array("callback" => ""), array(), array(), array(), array(), $server);
-        $api_result = new API_V1_result(self::$DI['app'], $request, $this->api);
-        $this->assertEquals('application/yaml', $api_result->get_content_type());
-
-        $server = array("HTTP_ACCEPT" => "");
-        $request = new Request(array("callback" => "hello"), array(), array(), array(), array(), $server);
-        $api_result = new API_V1_result(self::$DI['app'], $request, $this->api);
-        $this->assertEquals('text/javascript', $api_result->get_content_type());
-
-        $server = array("HTTP_ACCEPT" => "unknow");
-        $request = new Request(array("callback" => ""), array(), array(), array(), array(), $server);
-        $api_result = new API_V1_result(self::$DI['app'], $request, $this->api);
-        $this->assertEquals("application/json", $api_result->get_content_type());
-    }
-
-    /**
-     * @depends testFormatJson
-     */
     public function testSet_error_message()
     {
         $api_result = new API_V1_result(self::$DI['app'], new Request(), $this->api);
@@ -331,9 +138,6 @@ class API_V1_resultTest extends PhraseanetPHPUnitAuthenticatedAbstract
         }
     }
 
-    /**
-     * @depends testFormatJson
-     */
     public function testSet_error_code()
     {
         $api_result = new API_V1_result(self::$DI['app'], new Request(), $this->api);
@@ -386,14 +190,6 @@ class API_V1_resultTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $api_result = new API_V1_result(self::$DI['app'], new Request(), $this->api);
         $api_result->set_error_code(500);
         $this->assertEquals(500, $api_result->get_http_code());
-
-        $api_result = new API_V1_result(self::$DI['app'], new Request(array("callback" => "my_callback")), $this->api);
-        $api_result->set_error_code(400);
-        $this->assertEquals(200, $api_result->get_http_code());
-
-        $api_result = new API_V1_result(self::$DI['app'], new Request(array("callback" => "my_callback")), $this->api);
-        $api_result->set_error_code(500);
-        $this->assertEquals(500, $api_result->get_http_code());
     }
 
     public function testSet_http_code()
@@ -408,24 +204,5 @@ class API_V1_resultTest extends PhraseanetPHPUnitAuthenticatedAbstract
         $this->assertEquals(401, $api_result->get_http_code());
         $api_result->set_http_code(403);
         $this->assertEquals(403, $api_result->get_http_code());
-
-        $api_result = new API_V1_result(self::$DI['app'], new Request(array("callback" => "my_callback")), $this->api);
-        $api_result->set_http_code(500);
-        $this->assertEquals(500, $api_result->get_http_code());
-
-        $api_result->set_http_code(400);
-        $this->assertEquals(200, $api_result->get_http_code());
-
-        $api_result->set_http_code(401);
-        $this->assertEquals(200, $api_result->get_http_code());
-
-        $api_result->set_http_code(403);
-        $this->assertEquals(200, $api_result->get_http_code());
-
-        $api_result->set_http_code(404);
-        $this->assertEquals(200, $api_result->get_http_code());
-
-        $api_result->set_http_code(405);
-        $this->assertEquals(200, $api_result->get_http_code());
     }
 }