diff --git a/app/Http/Controllers/Apis/Protected/Summit/OAuth2PresentationApiController.php b/app/Http/Controllers/Apis/Protected/Summit/OAuth2PresentationApiController.php
index 6f8c5cbb..9b299d17 100644
--- a/app/Http/Controllers/Apis/Protected/Summit/OAuth2PresentationApiController.php
+++ b/app/Http/Controllers/Apis/Protected/Summit/OAuth2PresentationApiController.php
@@ -181,7 +181,7 @@ final class OAuth2PresentationApiController extends OAuth2ProtectedController
 
             $video = $this->presentation_service->addVideoTo($presentation_id, HTMLCleaner::cleanData($data, $fields));
 
-            return $this->created($video->getId());
+            return $this->created(SerializerRegistry::getInstance()->getSerializer($video)->serialize());
         }
         catch (EntityNotFoundException $ex1)
         {
@@ -241,9 +241,9 @@ final class OAuth2PresentationApiController extends OAuth2ProtectedController
                 'description',
             ];
 
-            $this->presentation_service->updateVideo($presentation_id, $video_id, HTMLCleaner::cleanData($data, $fields));
+            $video = $this->presentation_service->updateVideo($presentation_id, $video_id, HTMLCleaner::cleanData($data, $fields));
 
-            return $this->updated();
+            return $this->updated(SerializerRegistry::getInstance()->getSerializer($video)->serialize());
         }
         catch (EntityNotFoundException $ex1)
         {
@@ -643,7 +643,7 @@ final class OAuth2PresentationApiController extends OAuth2ProtectedController
 
             $slide = $this->presentation_service->addSlideTo($request, $presentation_id, HTMLCleaner::cleanData($data, $fields));
 
-            return $this->created($slide->getId());
+            return $this->created(SerializerRegistry::getInstance()->getSerializer($slide)->serialize());
         }
         catch (EntityNotFoundException $ex1)
         {
@@ -700,9 +700,9 @@ final class OAuth2PresentationApiController extends OAuth2ProtectedController
                 'description',
             ];
 
-            $this->presentation_service->updateSlide($request, $presentation_id, $slide_id, HTMLCleaner::cleanData($data, $fields));
+            $slide = $this->presentation_service->updateSlide($request, $presentation_id, $slide_id, HTMLCleaner::cleanData($data, $fields));
 
-            return $this->updated();
+            return $this->updated(SerializerRegistry::getInstance()->getSerializer($slide)->serialize());
         }
         catch (EntityNotFoundException $ex1)
         {
@@ -861,7 +861,7 @@ final class OAuth2PresentationApiController extends OAuth2ProtectedController
 
             $link = $this->presentation_service->addLinkTo($presentation_id, HTMLCleaner::cleanData($data, $fields));
 
-            return $this->created($link->getId());
+            return $this->created(SerializerRegistry::getInstance()->getSerializer($link)->serialize());
         }
         catch (EntityNotFoundException $ex1)
         {
@@ -918,9 +918,9 @@ final class OAuth2PresentationApiController extends OAuth2ProtectedController
                 'description',
             ];
 
-            $this->presentation_service->updateLink($presentation_id, $link_id, HTMLCleaner::cleanData($data, $fields));
+            $link = $this->presentation_service->updateLink($presentation_id, $link_id, HTMLCleaner::cleanData($data, $fields));
 
-            return $this->updated();
+            return $this->updated(SerializerRegistry::getInstance()->getSerializer($link)->serialize());
         }
         catch (EntityNotFoundException $ex1)
         {
diff --git a/app/ModelSerializers/Summit/Presentation/PresentationSerializer.php b/app/ModelSerializers/Summit/Presentation/PresentationSerializer.php
index 05ea8692..2977d135 100644
--- a/app/ModelSerializers/Summit/Presentation/PresentationSerializer.php
+++ b/app/ModelSerializers/Summit/Presentation/PresentationSerializer.php
@@ -102,7 +102,7 @@ class PresentationSerializer extends SummitEventSerializer
             $videos = [];
             foreach ($presentation->getVideos() as $video) {
                 $video_values   = SerializerRegistry::getInstance()->getSerializer($video)->serialize();
-                if(empty($video_values['youtube_id'])) continue;
+                if(empty($video_values['you_tube_id'])) continue;
                 $videos[] = $video_values;
             }
             $values['videos'] = $videos;
diff --git a/app/Services/Model/PresentationService.php b/app/Services/Model/PresentationService.php
index a165bfb3..61e6b488 100644
--- a/app/Services/Model/PresentationService.php
+++ b/app/Services/Model/PresentationService.php
@@ -862,7 +862,7 @@ final class PresentationService
             if (is_null($link))
                 throw new EntityNotFoundException('link not found!');
 
-            if (!$link instanceof PresentationSlide)
+            if (!$link instanceof PresentationLink)
                 throw new EntityNotFoundException('link not found!');
 
             $presentation->removeLink($link);