diff --git a/Libs/ModelSerializers/AbstractSerializer.php b/Libs/ModelSerializers/AbstractSerializer.php
index db40514e..a9dea4d0 100644
--- a/Libs/ModelSerializers/AbstractSerializer.php
+++ b/Libs/ModelSerializers/AbstractSerializer.php
@@ -123,6 +123,35 @@ abstract class AbstractSerializer implements IModelSerializer
         return array_merge(array($class_name), $parents);
     }
 
+    const BoolType           = 'json_boolean';
+    const EpochType           = 'datetime_epoch';
+    const StringType          = 'json_string';
+    const IntType             = 'json_int';
+    const FloatType           = 'json_float';
+    const ObfuscatedEmailType = 'json_obfuscated_email';
+    const UrlType             = 'json_url';
+
+    const ValidTypes = [
+        self::BoolType,
+        self::EpochType,
+        self::StringType,
+        self::IntType,
+        self::FloatType,
+        self::ObfuscatedEmailType,
+        self::UrlType,
+    ];
+
+    /**
+     * @param string $field
+     * @param string $type
+     * @return string
+     */
+    public static function buildMapping(string $field, string $type):string {
+        if(!in_array($type, self::ValidTypes))
+            throw new \InvalidArgumentException();
+        return sprintf("%s:%s", $field, $type);
+    }
+
     /**
      * @param null $expand
      * @param array $fields
diff --git a/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitSpeakersApiController.php b/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitSpeakersApiController.php
index d43f1eb2..23a3aa96 100644
--- a/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitSpeakersApiController.php
+++ b/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitSpeakersApiController.php
@@ -31,6 +31,8 @@ use ModelSerializers\ISerializerTypeSelector;
 use ModelSerializers\SerializerRegistry;
 use services\model\ISpeakerService;
 use services\model\ISummitService;
+use utils\Filter;
+use utils\FilterElement;
 use utils\FilterParser;
 use utils\OrderParser;
 use utils\PagingInfo;
@@ -125,81 +127,68 @@ final class OAuth2SummitSpeakersApiController extends OAuth2ProtectedController
      *  Speakers endpoints
      */
 
+    use ParametrizedGetAll;
+
     /**
      * @param $summit_id
      * @return mixed
      */
     public function getSpeakers($summit_id)
     {
-        try {
-            $summit = SummitFinderStrategyFactory::build($this->repository, $this->resource_server_context)->find($summit_id);
-            if (is_null($summit)) return $this->error404();
-
-            $values = Input::all();
-
-            $rules = array
-            (
-                'page' => 'integer|min:1',
-                'per_page' => 'required_with:page|integer|min:10|max:100',
-            );
-
-            $validation = Validator::make($values, $rules);
-
-            if ($validation->fails()) {
-                $messages = $validation->messages()->toArray();
-
-                return $this->error412($messages);
-            }
-
-            // default values
-            $page = 1;
-            $per_page = 10;
-
-            if (Input::has('page')) {
-                $page = intval(Input::get('page'));
-                $per_page = intval(Input::get('per_page'));
-            }
-
-            $filter = null;
-
-            if (Input::has('filter')) {
-                $filter = FilterParser::parse(Input::get('filter'), [
+        $summit = SummitFinderStrategyFactory::build($this->getRepository(), $this->getResourceServerContext())->find($summit_id);
+        if (is_null($summit)) return $this->error404();
 
+        return $this->_getAll(
+            function(){
+                return [
                     'first_name' => ['=@', '=='],
-                    'last_name' => ['=@', '=='],
-                    'email' => ['=@', '=='],
-                    'id' => ['=='],
-                    'full_name' => ['=@', '=='],
-                ]);
-            }
-
-            $order = null;
-            if (Input::has('order')) {
-                $order = OrderParser::parse(Input::get('order'), [
+                    'last_name'  => ['=@', '=='],
+                    'email'      => ['=@', '=='],
+                    'id'         => ['=='],
+                    'full_name'  => ['=@', '=='],
+                ];
+            },
+            function(){
+                return [
+                    'first_name' => 'sometimes|string',
+                    'last_name'  => 'sometimes|string',
+                    'email'      => 'sometimes|string',
+                    'id'         => 'sometimes|integer',
+                    'full_name'  => 'sometimes|string',
+                ];
+            },
+            function()
+            {
+                return [
                     'first_name',
                     'last_name',
                     'id',
                     'email',
-                ]);
-            }
-
-            $serializer_type = $this->serializer_type_selector->getSerializerType();
-            $result = $this->speaker_repository->getSpeakersBySummit($summit, new PagingInfo($page, $per_page), $filter, $order);
-
-            return $this->ok
-            (
-                $result->toArray(Request::input('expand', ''), [], [], ['summit_id' => $summit_id, 'published' => true, 'summit' => $summit], $serializer_type)
-            );
-        } catch (ValidationException $ex1) {
-            Log::warning($ex1);
-            return $this->error412($ex1->getMessages());
-        } catch (EntityNotFoundException $ex2) {
-            Log::warning($ex2);
-            return $this->error404(array('message' => $ex2->getMessage()));
-        } catch (Exception $ex) {
-            Log::error($ex);
-            return $this->error500($ex);
-        }
+                ];
+            },
+            function($filter) use($summit){
+                return $filter;
+            },
+            function(){
+                return $this->serializer_type_selector->getSerializerType();
+            },
+            null,
+            null,
+            function ($page,  $per_page,  $filter,  $order, $applyExtraFilters) use($summit) {
+                return $this->speaker_repository->getSpeakersBySummit
+                (
+                    $summit,
+                    new PagingInfo($page, $per_page),
+                    call_user_func($applyExtraFilters, $filter),
+                    $order
+                );
+            },
+            [
+                'summit_id' => $summit_id,
+                'published' => true,
+                'summit' => $summit
+            ]
+        );
     }
 
     /**
@@ -208,71 +197,51 @@ final class OAuth2SummitSpeakersApiController extends OAuth2ProtectedController
      */
     public function getAll()
     {
-        try {
-
-            $values = Input::all();
-            $serializer_type = $this->serializer_type_selector->getSerializerType();
-            $rules = [
-                'page' => 'integer|min:1',
-                'per_page' => 'required_with:page|integer|min:10|max:100',
-            ];
-
-            $validation = Validator::make($values, $rules);
-
-            if ($validation->fails()) {
-                $messages = $validation->messages()->toArray();
-
-                return $this->error412($messages);
-            }
-
-            // default values
-            $page = 1;
-            $per_page = 10;
-
-            if (Input::has('page')) {
-                $page = intval(Input::get('page'));
-                $per_page = intval(Input::get('per_page'));
-            }
-
-            $filter = null;
-
-            if (Input::has('filter')) {
-                $filter = FilterParser::parse(Input::get('filter'), [
-
+        return $this->_getAll(
+            function(){
+                return [
                     'first_name' => ['=@', '=='],
-                    'last_name' => ['=@', '=='],
-                    'full_name' => ['=@', '=='],
-                    'email' => ['=@', '=='],
-                    'id' => ['=='],
-                ]);
-            }
-
-            $order = null;
-            if (Input::has('order')) {
-                $order = OrderParser::parse(Input::get('order'), [
-                    'id',
-                    'email',
+                    'last_name'  => ['=@', '=='],
+                    'email'      => ['=@', '=='],
+                    'id'         => ['=='],
+                    'full_name'  => ['=@', '=='],
+                ];
+            },
+            function(){
+                return [
+                    'first_name' => 'sometimes|string',
+                    'last_name'  => 'sometimes|string',
+                    'email'      => 'sometimes|string',
+                    'id'         => 'sometimes|integer',
+                    'full_name'  => 'sometimes|string',
+                ];
+            },
+            function()
+            {
+                return [
                     'first_name',
                     'last_name',
-                ]);
+                    'id',
+                    'email',
+                ];
+            },
+            function($filter){
+                return $filter;
+            },
+            function(){
+                return $this->serializer_type_selector->getSerializerType();
+            },
+            null,
+            null,
+            function ($page,  $per_page,  $filter,  $order, $applyExtraFilters) {
+                return $this->speaker_repository->getAllByPage
+                (
+                    new PagingInfo($page, $per_page),
+                    call_user_func($applyExtraFilters, $filter),
+                    $order
+                );
             }
-
-            $result = $this->speaker_repository->getAllByPage(new PagingInfo($page, $per_page), $filter, $order);
-
-            return $this->ok
-            (
-                $result->toArray(Request::input('expand', ''), [], [], [], $serializer_type)
-            );
-        } catch (ValidationException $ex1) {
-            Log::warning($ex1);
-            return $this->error412($ex1->getMessages());
-        } catch (EntityNotFoundException $ex2) {
-            Log::warning($ex2);
-            return $this->error404(array('message' => $ex2->getMessage()));
-        } catch (Exception $ex) {
-            Log::error($ex);
-            return $this->error500($ex);
-        }
+        );
     }
 
     /**
diff --git a/app/Http/Controllers/ConfigurationsController.php b/app/Http/Controllers/ConfigurationsController.php
new file mode 100644
index 00000000..8fda92de
--- /dev/null
+++ b/app/Http/Controllers/ConfigurationsController.php
@@ -0,0 +1,79 @@
+<?php namespace App\Http\Controllers;
+/**
+ * Copyright 2020 OpenStack Foundation
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+use App\Models\ResourceServer\IApiRepository;
+use Illuminate\Support\Facades\Input;
+use Illuminate\Support\Facades\Log;
+use Illuminate\Support\Facades\Route;
+use models\utils\IEntity;
+use ModelSerializers\SerializerRegistry;
+use Exception;
+/**
+ * Class ConfigurationsController
+ * @package App\Http\Controllers
+ */
+final class ConfigurationsController extends JsonController
+{
+    /**
+     * @var IApiRepository
+     */
+    private $repository;
+
+    /**
+     * ConfigurationsController constructor.
+     * @param IApiRepository $repository
+     */
+    public function __construct(IApiRepository $repository)
+    {
+        parent::__construct();
+        $this->repository = $repository;
+    }
+
+    /**
+     * @return \Illuminate\Http\JsonResponse|mixed
+     */
+    public function getEndpointsDefinitions(){
+        try {
+            $items = [];
+            foreach ($this->repository->getAll() as $i) {
+                if ($i instanceof IEntity) {
+                    $i = SerializerRegistry::getInstance()->getSerializer($i, SerializerRegistry::SerializerType_Public)->serialize(Input::get('expand', ''));
+                }
+                $items[] = $i;
+            }
+
+            $routeCollection = Route::getRoutes();
+
+            $public_endpoints = [];
+            foreach ($routeCollection as $value) {
+                $uri =  $value->uri;
+                if(!str_contains($uri, 'api/public/v1')) continue;
+                $public_endpoints[] = [
+                    'route' => $uri,
+                    'http_methods' =>  $value->methods,
+                ];
+            }
+
+            return $this->ok(
+                [
+                    'oauth2_endpoints' => $items,
+                    'public_endpoints' => $public_endpoints,
+                ]
+            );
+        }
+        catch (Exception $ex) {
+            Log::error($ex);
+            return $this->error500($ex);
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/Http/Routes/public.php b/app/Http/Routes/public.php
index 2553f1d4..4cfb26a8 100644
--- a/app/Http/Routes/public.php
+++ b/app/Http/Routes/public.php
@@ -109,6 +109,16 @@ Route::group([
                 Route::get('sent', 'OAuth2SummitNotificationsApiController@getAllApprovedByUser');
             });
 
+            // speakers
+
+            // speakers
+            Route::group(['prefix' => 'speakers'], function () {
+                Route::get('', 'OAuth2SummitSpeakersApiController@getSpeakers');
+                Route::group(['prefix' => '{speaker_id}'], function () {
+                    Route::get('', 'OAuth2SummitSpeakersApiController@getSummitSpeaker')->where('speaker_id', '[0-9]+');
+                });
+            });
+
         });
     });
 
@@ -151,3 +161,17 @@ Route::group([
     });
 
 });
+
+
+Route::group([
+    'namespace' => 'App\Http\Controllers',
+    'prefix'     => '.well-known',
+    'before'     => [],
+    'after'      => [],
+    'middleware' => [
+        'ssl',
+        'rate.limit:1000,1', // 1000 request per minute
+    ]
+], function(){
+    Route::get('endpoints', 'ConfigurationsController@getEndpointsDefinitions');
+});
\ No newline at end of file
diff --git a/app/ModelSerializers/ResourceServer/ApiEndpointAuthzGroupSerializer.php b/app/ModelSerializers/ResourceServer/ApiEndpointAuthzGroupSerializer.php
new file mode 100644
index 00000000..4530b9bf
--- /dev/null
+++ b/app/ModelSerializers/ResourceServer/ApiEndpointAuthzGroupSerializer.php
@@ -0,0 +1,25 @@
+<?php namespace App\ModelSerializers\ResourceServer;
+/**
+ * Copyright 2020 OpenStack Foundation
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+use Libs\ModelSerializers\AbstractSerializer;
+/**
+ * Class ApiEndpointAuthzGroupSerializer
+ * @package App\ModelSerializers\ResourceServer
+ */
+final class ApiEndpointAuthzGroupSerializer extends AbstractSerializer
+{
+    protected static $array_mappings = [
+        'Id'   => 'id:json_int',
+        'Slug' => 'slug:json_string',
+    ];
+}
\ No newline at end of file
diff --git a/app/ModelSerializers/ResourceServer/ApiEndpointSerializer.php b/app/ModelSerializers/ResourceServer/ApiEndpointSerializer.php
new file mode 100644
index 00000000..b4fdb7cc
--- /dev/null
+++ b/app/ModelSerializers/ResourceServer/ApiEndpointSerializer.php
@@ -0,0 +1,92 @@
+<?php namespace App\ModelSerializers\ResourceServer;
+/**
+ * Copyright 2020 OpenStack Foundation
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+use App\Models\ResourceServer\ApiEndpoint;
+use Libs\ModelSerializers\AbstractSerializer;
+use ModelSerializers\SerializerRegistry;
+
+/**
+ * Class ApiEndpointSerializer
+ * @package App\ModelSerializers\ResourceServer
+ */
+final class ApiEndpointSerializer extends AbstractSerializer
+{
+    protected static $array_mappings = [
+        'Id'            => 'id:json_int',
+        'Name'          => 'name:json_string',
+        'Description'   => 'description:json_string',
+        'Active'        => 'active:json_boolean',
+        'HttpMethod'    => 'http_method:json_string',
+        'Route'         => 'route:json_string',
+    ];
+
+    protected static $allowed_relations = [
+        'scopes',
+        'authz_groups',
+    ];
+
+    /**
+     * @param null $expand
+     * @param array $fields
+     * @param array $relations
+     * @param array $params
+     * @return array
+     */
+    public function serialize($expand = null, array $fields = array(), array $relations = array(), array $params = array())
+    {
+        $endpoint  = $this->object;
+        if(!$endpoint instanceof ApiEndpoint) return [];
+
+        if(!count($relations)) $relations = $this->getAllowedRelations();
+
+        $values = parent::serialize($expand, $fields, $relations, $params);
+
+        if(in_array('scopes', $relations))
+            $values['scopes'] = $endpoint->getScopeIds();
+
+        if(in_array('authz_groups', $relations))
+            $values['authz_groups'] = $endpoint->getAuthGroupIds();
+
+        if (!empty($expand)) {
+            foreach (explode(',', $expand) as $relation) {
+                $relation = trim($relation);
+                switch (trim($relation)) {
+
+                    case 'scopes': {
+                        if(!in_array('scopes', $relations)) break;
+                        $scopes = [];
+                        unset($values['scopes']);
+                        foreach ($endpoint->getScopes() as $e) {
+                            $scopes[] = SerializerRegistry::getInstance()->getSerializer($e)->serialize(AbstractSerializer::filterExpandByPrefix($expand, $relation));
+                        }
+                        $values['scopes'] = $scopes;
+                    }
+                        break;
+                    case 'authz_groups': {
+                        if(!in_array('authz_groups', $relations)) break;
+                        $authz_groups = [];
+                        unset($values['authz_groups']);
+                        foreach ($endpoint->getAuthzGroups() as $e) {
+                            $authz_groups[] = SerializerRegistry::getInstance()->getSerializer($e)->serialize(AbstractSerializer::filterExpandByPrefix($expand, $relation));
+                        }
+                        $values['authz_groups'] = $authz_groups;
+                    }
+                        break;
+
+                }
+            }
+        }
+        return $values;
+    }
+}
\ No newline at end of file
diff --git a/app/ModelSerializers/ResourceServer/ApiScopeSerializer.php b/app/ModelSerializers/ResourceServer/ApiScopeSerializer.php
new file mode 100644
index 00000000..6c9eb261
--- /dev/null
+++ b/app/ModelSerializers/ResourceServer/ApiScopeSerializer.php
@@ -0,0 +1,27 @@
+<?php namespace App\ModelSerializers\ResourceServer;
+/**
+ * Copyright 2020 OpenStack Foundation
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+use Libs\ModelSerializers\AbstractSerializer;
+/**
+ * Class ApiScopeSerializer
+ * @package App\ModelSerializers\ResourceServer
+ */
+final class ApiScopeSerializer extends AbstractSerializer
+{
+    protected static $array_mappings = [
+        'Id'            => 'id:json_int',
+        'Name'          => 'name:json_string',
+        'Description'   => 'description:json_string',
+        'Active'        => 'active:json_boolean',
+    ];
+}
\ No newline at end of file
diff --git a/app/ModelSerializers/ResourceServer/ApiSerializer.php b/app/ModelSerializers/ResourceServer/ApiSerializer.php
new file mode 100644
index 00000000..36f91e6a
--- /dev/null
+++ b/app/ModelSerializers/ResourceServer/ApiSerializer.php
@@ -0,0 +1,90 @@
+<?php namespace App\ModelSerializers\ResourceServer;
+/**
+ * Copyright 2020 OpenStack Foundation
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+use App\Models\ResourceServer\Api;
+use Libs\ModelSerializers\AbstractSerializer;
+use ModelSerializers\SerializerRegistry;
+
+/**
+ * Class ApiSerializer
+ * @package App\ModelSerializers\ResourceServer
+ */
+final class ApiSerializer extends AbstractSerializer
+{
+    protected static $array_mappings = [
+        'Id'            => 'id:json_int',
+        'Name'          => 'name:json_string',
+        'Description'   => 'description:json_string',
+        'Active'        => 'active:json_boolean',
+    ];
+
+    protected static $allowed_relations = [
+        'scopes',
+        'endpoints',
+    ];
+
+    /**
+     * @param null $expand
+     * @param array $fields
+     * @param array $relations
+     * @param array $params
+     * @return array
+     */
+    public function serialize($expand = null, array $fields = array(), array $relations = array(), array $params = array())
+    {
+        $api  = $this->object;
+        if(!$api instanceof Api) return [];
+
+        if(!count($relations)) $relations = $this->getAllowedRelations();
+
+        $values = parent::serialize($expand, $fields, $relations, $params);
+
+        if(in_array('scopes', $relations))
+            $values['scopes'] = $api->getScopeIds();
+
+        if(in_array('endpoints', $relations))
+            $values['endpoints'] = $api->getEndpointsIds();
+
+        if (!empty($expand)) {
+            foreach (explode(',', $expand) as $relation) {
+                $relation = trim($relation);
+                switch (trim($relation)) {
+                    case 'scopes': {
+                        if(!in_array('scopes', $relations)) break;
+                        $scopes = [];
+                        unset($values['scopes']);
+                        foreach ($api->getScopes() as $s) {
+                            $scopes[] = SerializerRegistry::getInstance()->getSerializer($s)->serialize(AbstractSerializer::filterExpandByPrefix($expand, $relation));
+                        }
+                        $values['scopes'] = $scopes;
+                    }
+                    break;
+                    case 'endpoints': {
+                        if(!in_array('endpoints', $relations)) break;
+                        $endpoints = [];
+                        unset($values['endpoints']);
+                        foreach ($api->getEndpoints() as $e) {
+                            $endpoints[] = SerializerRegistry::getInstance()->getSerializer($e)->serialize(AbstractSerializer::filterExpandByPrefix($expand, $relation));
+                        }
+                        $values['endpoints'] = $endpoints;
+                    }
+                    break;
+
+                }
+            }
+        }
+        return $values;
+    }
+}
+
diff --git a/app/ModelSerializers/SerializerRegistry.php b/app/ModelSerializers/SerializerRegistry.php
index c662a3c3..4a275459 100644
--- a/app/ModelSerializers/SerializerRegistry.php
+++ b/app/ModelSerializers/SerializerRegistry.php
@@ -42,6 +42,10 @@ use App\ModelSerializers\Marketplace\ServiceOfferedTypeSerializer;
 use App\ModelSerializers\Marketplace\SpokenLanguageSerializer;
 use App\ModelSerializers\Marketplace\SupportChannelTypeSerializer;
 use App\ModelSerializers\PushNotificationMessageSerializer;
+use App\ModelSerializers\ResourceServer\ApiEndpointAuthzGroupSerializer;
+use App\ModelSerializers\ResourceServer\ApiEndpointSerializer;
+use App\ModelSerializers\ResourceServer\ApiScopeSerializer;
+use App\ModelSerializers\ResourceServer\ApiSerializer;
 use App\ModelSerializers\Software\OpenStackComponentSerializer;
 use App\ModelSerializers\Software\OpenStackReleaseSerializer;
 use App\ModelSerializers\Summit\AdminSummitSerializer;
@@ -115,6 +119,12 @@ final class SerializerRegistry
     private function __construct()
     {
         $this->resource_server_context = App::make(IResourceServerContext::class);
+        // resource server config
+        $this->registry['Api']                   = ApiSerializer::class;
+        $this->registry['ApiEndpoint']           = ApiEndpointSerializer::class;
+        $this->registry['ApiScope']              = ApiScopeSerializer::class;
+        $this->registry['ApiEndpointAuthzGroup'] = ApiEndpointAuthzGroupSerializer::class;
+        //
         $this->registry['Summit']      =
             [
                 self::SerializerType_Public  =>  SummitSerializer::class,
diff --git a/app/Models/Foundation/Main/Member.php b/app/Models/Foundation/Main/Member.php
index 6b3f9b14..cd2f2d12 100644
--- a/app/Models/Foundation/Main/Member.php
+++ b/app/Models/Foundation/Main/Member.php
@@ -715,7 +715,7 @@ class Member extends SilverstripeBaseModel
     }
 
     public function getCCLATeamsIds(){
-          $ids = [];
+        $ids = [];
         foreach ($this->getCCLATeams() as $t) {
             $ids[] = intval($t->getId());
         }
diff --git a/app/Models/Foundation/Summit/Speakers/PresentationSpeaker.php b/app/Models/Foundation/Summit/Speakers/PresentationSpeaker.php
index e2638628..28d1d1bf 100644
--- a/app/Models/Foundation/Summit/Speakers/PresentationSpeaker.php
+++ b/app/Models/Foundation/Summit/Speakers/PresentationSpeaker.php
@@ -909,9 +909,11 @@ class PresentationSpeaker extends SilverstripeBaseModel
      */
     public function getPresentationIds($summit_id, $published_ones = true)
     {
-        return $this->presentations($summit_id, $published_ones)->map(function($entity)  {
-            return $entity->getId();
-        })->toArray();
+        $ids = [];
+        foreach ($this->presentations($summit_id, $published_ones) as $p) {
+            $ids[] = intval($p->getId());
+        }
+        return $ids;
     }
 
     /**
@@ -920,9 +922,11 @@ class PresentationSpeaker extends SilverstripeBaseModel
      */
     public function getAllPresentationIds($published_ones = true)
     {
-        return $this->presentations(null, $published_ones)->map(function($entity)  {
-            return $entity->getId();
-        })->toArray();
+        $ids = [];
+        foreach ($this->presentations(null, $published_ones) as $p) {
+            $ids[] = intval($p->getId());
+        }
+        return $ids;
     }
 
     /**
@@ -956,9 +960,11 @@ class PresentationSpeaker extends SilverstripeBaseModel
      */
     public function getModeratedPresentationIds($summit_id, $published_ones = true)
     {
-        return $this->moderated_presentations($summit_id, $published_ones)->map(function($entity)  {
-            return $entity->getId();
-        })->toArray();
+        $ids = [];
+        foreach ($this->moderated_presentations($summit_id, $published_ones) as $p) {
+            $ids[] = intval($p->getId());
+        }
+        return $ids;
     }
 
     /**
@@ -967,9 +973,11 @@ class PresentationSpeaker extends SilverstripeBaseModel
      */
     public function getAllModeratedPresentationIds($published_ones = true)
     {
-        return $this->moderated_presentations(null, $published_ones)->map(function($entity)  {
-            return $entity->getId();
-        })->toArray();
+        $ids = [];
+        foreach ($this->moderated_presentations(null, $published_ones) as $p) {
+            $ids[] = intval($p->getId());
+        }
+        return $ids;
     }
 
     /**
diff --git a/app/Models/ResourceServer/Api.php b/app/Models/ResourceServer/Api.php
index 503f4098..259a1301 100644
--- a/app/Models/ResourceServer/Api.php
+++ b/app/Models/ResourceServer/Api.php
@@ -11,12 +11,10 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 **/
-
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\ORM\Mapping AS ORM;
-
 /**
- * @ORM\Entity
+ * @ORM\Entity(repositoryClass="repositories\resource_server\DoctrineApiRepository")
  * @ORM\Table(name="apis")
  * @ORM\Cache(usage="NONSTRICT_READ_WRITE", region="resource_server_region")
  * Class Api
@@ -161,4 +159,25 @@ class Api extends ResourceServerEntity implements IApi
 		return $scope;
 	}
 
+    /**
+     * @return int[]
+     */
+	public function getScopeIds():array {
+        $ids = [];
+        foreach ($this->getScopes() as $e) {
+            $ids[] = intval($e->getId());
+        }
+        return $ids;
+    }
+
+    /**
+     * @return int[]
+     */
+    public function getEndpointsIds():array {
+        $ids = [];
+        foreach ($this->getEndpoints() as $e) {
+            $ids[] = intval($e->getId());
+        }
+        return $ids;
+    }
 }
\ No newline at end of file
diff --git a/app/Models/ResourceServer/ApiEndpoint.php b/app/Models/ResourceServer/ApiEndpoint.php
index 058941b0..1deae801 100644
--- a/app/Models/ResourceServer/ApiEndpoint.php
+++ b/app/Models/ResourceServer/ApiEndpoint.php
@@ -343,4 +343,25 @@ class ApiEndpoint extends ResourceServerEntity implements IApiEndpoint
     }
 
 
+    /**
+     * @return int[]
+     */
+    public function getScopeIds():array {
+        $ids = [];
+        foreach ($this->getScopes() as $e) {
+            $ids[] = intval($e->getId());
+        }
+        return $ids;
+    }
+
+    /**
+     * @return int[]
+     */
+    public function getAuthGroupIds():array {
+        $ids = [];
+        foreach ($this->getAuthzGroups() as $e) {
+            $ids[] = intval($e->getId());
+        }
+        return $ids;
+    }
 }
\ No newline at end of file
diff --git a/app/Models/ResourceServer/IApiRepository.php b/app/Models/ResourceServer/IApiRepository.php
new file mode 100644
index 00000000..5b934ac3
--- /dev/null
+++ b/app/Models/ResourceServer/IApiRepository.php
@@ -0,0 +1,22 @@
+<?php namespace App\Models\ResourceServer;
+/**
+ * Copyright 2020 OpenStack Foundation
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+use models\utils\IBaseRepository;
+/**
+ * Interface IApiRepository
+ * @package App\Models\ResourceServer
+ */
+interface IApiRepository extends IBaseRepository
+{
+
+}
\ No newline at end of file
diff --git a/app/Repositories/RepositoriesProvider.php b/app/Repositories/RepositoriesProvider.php
index 87b4ac45..ea5cae51 100644
--- a/app/Repositories/RepositoriesProvider.php
+++ b/app/Repositories/RepositoriesProvider.php
@@ -39,6 +39,7 @@ use App\Models\Foundation\Summit\Repositories\ITrackTagGroupAllowedTagsRepositor
 use App\Models\Foundation\Summit\SelectionPlan;
 use App\Models\Foundation\Summit\Speakers\SpeakerEditPermissionRequest;
 use App\Models\Foundation\Summit\TrackTagGroupAllowedTag;
+use App\Models\ResourceServer\IApiRepository;
 use Illuminate\Support\Facades\App;
 use Illuminate\Support\ServiceProvider;
 use LaravelDoctrine\ORM\Facades\EntityManager;
@@ -80,6 +81,12 @@ final class RepositoriesProvider extends ServiceProvider
     public function register()
     {
 
+        App::singleton(
+            IApiRepository::class,
+            function(){
+                return  EntityManager::getRepository(\App\Models\ResourceServer\Api::class);
+            });
+
         App::singleton(
             'App\Models\ResourceServer\IApiEndpointRepository',
             function(){
@@ -92,6 +99,8 @@ final class RepositoriesProvider extends ServiceProvider
                 return  EntityManager::getRepository(\App\Models\ResourceServer\EndPointRateLimitByIP::class);
             });
 
+
+
         App::singleton(
             'models\summit\ISummitRepository',
             function(){
diff --git a/app/Repositories/ResourceServer/DoctrineApiRepository.php b/app/Repositories/ResourceServer/DoctrineApiRepository.php
new file mode 100644
index 00000000..99c7cab4
--- /dev/null
+++ b/app/Repositories/ResourceServer/DoctrineApiRepository.php
@@ -0,0 +1,57 @@
+<?php namespace repositories\resource_server;
+/**
+ * Copyright 2020 OpenStack Foundation
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+use App\Models\ResourceServer\Api;
+use App\Models\ResourceServer\IApiRepository;
+use App\Repositories\ConfigDoctrineRepository;
+use Doctrine\ORM\QueryBuilder;
+/**
+ * Class DoctrineApiRepository
+ * @package repositories\resource_server
+ */
+final class DoctrineApiRepository extends ConfigDoctrineRepository
+implements IApiRepository
+{
+
+    /**
+     * @inheritDoc
+     */
+    protected function getBaseEntity()
+    {
+        return Api::class;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    protected function getFilterMappings()
+    {
+        return [];
+    }
+
+    /**
+     * @inheritDoc
+     */
+    protected function getOrderMappings()
+    {
+       return [];
+    }
+
+    /**
+     * @inheritDoc
+     */
+    protected function applyExtraFilters(QueryBuilder $query)
+    {
+        return $query;
+    }
+}
\ No newline at end of file