diff --git a/README.md b/README.md
index c13bc562..1c629245 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@
     <a href="https://codecov.io/gh/kevinpapst/kimai2"><img alt="Code Coverage" src="https://codecov.io/gh/kevinpapst/kimai2/branch/master/graph/badge.svg"></a>
     <a href="https://packagist.org/packages/kevinpapst/kimai2"><img alt="Latest stable version" src="https://poser.pugx.org/kevinpapst/kimai2/v/stable"></a>
     <a href="https://packagist.org/packages/kevinpapst/kimai2"><img alt="License" src="https://poser.pugx.org/kevinpapst/kimai2/license"></a>
+    <a href="https://twitter.com/kimai_org"><img alt="Twitter" src="https://img.shields.io/badge/follow-%40kimai__org-00acee"></a>
 </p>
 
 <h1 align="center">Kimai - time-tracker</h1>
diff --git a/src/API/Model/Plugin.php b/src/API/Model/Plugin.php
new file mode 100644
index 00000000..e7d03880
--- /dev/null
+++ b/src/API/Model/Plugin.php
@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\API\Model;
+
+use App\Plugin\Plugin as CorePlugin;
+use JMS\Serializer\Annotation as Serializer;
+
+/**
+ * @Serializer\ExclusionPolicy("all")
+ */
+class Plugin
+{
+    /**
+     * The plugin name, eg. "ExpensesBundle"
+     *
+     * @var string
+     *
+     * @Serializer\Expose()
+     * @Serializer\Groups({"Default"})
+     * @Serializer\Type(name="string")
+     */
+    protected $name;
+    /**
+     * The plugin version, eg. "1.14"
+     *
+     * @var string
+     *
+     * @Serializer\Expose()
+     * @Serializer\Groups({"Default"})
+     * @Serializer\Type(name="string")
+     */
+    protected $version;
+
+    public function __construct(CorePlugin $plugin)
+    {
+        $this->name = $plugin->getId();
+        $this->version = $plugin->getMetadata()->getVersion();
+    }
+}
diff --git a/src/API/StatusController.php b/src/API/StatusController.php
index 709ace8d..ecde781a 100644
--- a/src/API/StatusController.php
+++ b/src/API/StatusController.php
@@ -11,17 +11,22 @@ declare(strict_types=1);
 
 namespace App\API;
 
+use App\API\Model\Plugin;
 use App\API\Model\Version;
+use App\Plugin\PluginManager;
 use FOS\RestBundle\Controller\Annotations as Rest;
 use FOS\RestBundle\View\View;
 use FOS\RestBundle\View\ViewHandlerInterface;
 use Nelmio\ApiDocBundle\Annotation\Model;
 use Nelmio\ApiDocBundle\Annotation\Security as ApiSecurity;
+use Sensio\Bundle\FrameworkExtraBundle\Configuration\Security;
 use Swagger\Annotations as SWG;
 use Symfony\Component\HttpFoundation\Response;
 
 /**
  * @SWG\Tag(name="Default")
+ *
+ * @Security("is_granted('IS_AUTHENTICATED_REMEMBERED')")
  */
 class StatusController extends BaseApiController
 {
@@ -74,4 +79,32 @@ class StatusController extends BaseApiController
     {
         return $this->viewHandler->handle(new View(new Version(), 200));
     }
+
+    /**
+     * Returns information about installed Plugins
+     *
+     * @SWG\Response(
+     *     response=200,
+     *     description="Returns a list of plugin names and versions",
+     *      @SWG\Schema(
+     *          type="array",
+     *          @SWG\Items(ref=@Model(type=Plugin::class))
+     *      )
+     * )
+     *
+     * @Rest\Get(path="/plugins")
+     *
+     * @ApiSecurity(name="apiUser")
+     * @ApiSecurity(name="apiToken")
+     */
+    public function pluginAction(PluginManager $pluginManager): Response
+    {
+        $plugins = [];
+        foreach ($pluginManager->getPlugins() as $plugin) {
+            $pluginManager->loadMetadata($plugin);
+            $plugins[] = new Plugin($plugin);
+        }
+
+        return $this->viewHandler->handle(new View($plugins, 200));
+    }
 }
diff --git a/src/API/TimesheetController.php b/src/API/TimesheetController.php
index fd0d4477..55b13e25 100644
--- a/src/API/TimesheetController.php
+++ b/src/API/TimesheetController.php
@@ -120,7 +120,7 @@ class TimesheetController extends BaseApiController
      * @Rest\QueryParam(name="activities", requirements="[\d|,]+", strict=true, nullable=true, description="Comma separated list of activity IDs to filter timesheets")
      * @Rest\QueryParam(name="page", requirements="\d+", strict=true, nullable=true, description="The page to display, renders a 404 if not found (default: 1)")
      * @Rest\QueryParam(name="size", requirements="\d+", strict=true, nullable=true, description="The amount of entries for each page (default: 50)")
-     * @Rest\QueryParam(name="tags", strict=true, nullable=true, description="The name of tags which are in the datasets")
+     * @Rest\QueryParam(name="tags", strict=true, nullable=true, description="Comma separated list of tag names")
      * @Rest\QueryParam(name="orderBy", requirements="id|begin|end|rate", strict=true, nullable=true, description="The field by which results will be ordered. Allowed values: id, begin, end, rate (default: begin)")
      * @Rest\QueryParam(name="order", requirements="ASC|DESC", strict=true, nullable=true, description="The result order. Allowed values: ASC, DESC (default: DESC)")
      * @Rest\QueryParam(name="begin", requirements=@Constraints\DateTime(format="Y-m-d\TH:i:s"), strict=true, nullable=true, description="Only records after this date will be included (format: HTML5)")
diff --git a/src/Form/Toolbar/AbstractToolbarForm.php b/src/Form/Toolbar/AbstractToolbarForm.php
index ef094fe4..343f7e76 100644
--- a/src/Form/Toolbar/AbstractToolbarForm.php
+++ b/src/Form/Toolbar/AbstractToolbarForm.php
@@ -17,6 +17,7 @@ use App\Form\Type\PageSizeType;
 use App\Form\Type\ProjectType;
 use App\Form\Type\SearchTermType;
 use App\Form\Type\TagsType;
+use App\Form\Type\TeamType;
 use App\Form\Type\UserRoleType;
 use App\Form\Type\UserType;
 use App\Form\Type\VisibilityType;
@@ -65,12 +66,39 @@ abstract class AbstractToolbarForm extends AbstractType
     protected function addUsersChoice(FormBuilderInterface $builder)
     {
         $builder->add('users', UserType::class, [
+            'documentation' => [
+                'type' => 'array',
+                'items' => ['type' => 'integer', 'description' => 'User ID'],
+                'description' => 'Array of user IDs',
+            ],
             'label' => 'label.user',
             'multiple' => true,
             'required' => false,
         ]);
     }
 
+    protected function addTeamChoice(FormBuilderInterface $builder)
+    {
+        $builder->add('team', TeamType::class, [
+            'label' => 'label.team',
+            'required' => false,
+        ]);
+    }
+
+    protected function addTeamsChoice(FormBuilderInterface $builder)
+    {
+        $builder->add('teams', TeamType::class, [
+            'documentation' => [
+                'type' => 'array',
+                'items' => ['type' => 'integer', 'description' => 'Team ID'],
+                'description' => 'Array of team IDs',
+            ],
+            'label' => 'label.team',
+            'multiple' => true,
+            'required' => false,
+        ]);
+    }
+
     protected function addCustomerChoice(FormBuilderInterface $builder, array $options = [], bool $multiProject = false)
     {
         $this->addCustomerSelect($builder, $options, false, $multiProject);
@@ -89,7 +117,15 @@ abstract class AbstractToolbarForm extends AbstractType
         }
 
         // just a fake field for having this field at the right position in the frontend
-        $builder->add($name, HiddenType::class);
+        $builder->add($name, CustomerType::class, [
+            'documentation' => [
+                'type' => 'array',
+                'items' => ['type' => 'integer', 'description' => 'Customer ID'],
+                'description' => 'Array of customer IDs',
+            ],
+            'choices' => [],
+            'multiple' => $multiCustomer,
+        ]);
 
         $builder->addEventListener(
             FormEvents::PRE_SUBMIT,
@@ -182,7 +218,15 @@ abstract class AbstractToolbarForm extends AbstractType
             $name = 'projects';
         }
         // just a fake field for having this field at the right position in the frontend
-        $builder->add($name, HiddenType::class);
+        $builder->add($name, ProjectType::class, [
+            'documentation' => [
+                'type' => 'array',
+                'items' => ['type' => 'integer', 'description' => 'Project ID'],
+                'description' => 'Array of project IDs',
+            ],
+            'choices' => [],
+            'multiple' => $multiProject,
+        ]);
 
         $builder->addEventListener(
             FormEvents::PRE_SUBMIT,
@@ -244,7 +288,15 @@ abstract class AbstractToolbarForm extends AbstractType
         }
 
         // just a fake field for having this field at the right position in the frontend
-        $builder->add($name, HiddenType::class);
+        $builder->add($name, ActivityType::class, [
+            'documentation' => [
+                'type' => 'array',
+                'items' => ['type' => 'integer', 'description' => 'Activity ID'],
+                'description' => 'Array of activity IDs',
+            ],
+            'choices' => [],
+            'multiple' => $multiActivity,
+        ]);
 
         $builder->addEventListener(
             FormEvents::PRE_SUBMIT,
@@ -294,6 +346,10 @@ abstract class AbstractToolbarForm extends AbstractType
     protected function addHiddenPagination(FormBuilderInterface $builder)
     {
         $builder->add('page', HiddenType::class, [
+            'documentation' => [
+                'type' => 'integer',
+                'description' => 'Page number. Default: 1',
+            ],
             'empty_data' => 1
         ]);
     }
@@ -303,6 +359,10 @@ abstract class AbstractToolbarForm extends AbstractType
         @trigger_error('addHiddenOrder() is deprecated and will be removed with 2.0, use the new search modal instead', E_USER_DEPRECATED);
 
         $builder->add('order', HiddenType::class, [
+            'documentation' => [
+                'type' => 'string',
+                'description' => 'The order for returned items',
+            ],
             'constraints' => [
                 new Choice(['choices' => [BaseQuery::ORDER_ASC, BaseQuery::ORDER_DESC]])
             ]
@@ -312,6 +372,9 @@ abstract class AbstractToolbarForm extends AbstractType
     protected function addOrder(FormBuilderInterface $builder)
     {
         $builder->add('order', ChoiceType::class, [
+            'documentation' => [
+                'description' => 'The order for returned items',
+            ],
             'label' => 'label.order',
             'choices' => [
                 'label.asc' => BaseQuery::ORDER_ASC,
diff --git a/src/Form/Type/TeamType.php b/src/Form/Type/TeamType.php
index a56dec07..5bbe3d56 100644
--- a/src/Form/Type/TeamType.php
+++ b/src/Form/Type/TeamType.php
@@ -32,6 +32,10 @@ class TeamType extends AbstractType
             'choice_label' => function (Team $team) {
                 return $team->getName();
             },
+            'documentation' => [
+                'type' => 'integer',
+                'description' => 'Team ID',
+            ],
         ]);
 
         $resolver->setDefault('query_builder', function (Options $options) {
diff --git a/src/Repository/TagRepository.php b/src/Repository/TagRepository.php
index 085f0002..33870fa1 100644
--- a/src/Repository/TagRepository.php
+++ b/src/Repository/TagRepository.php
@@ -57,7 +57,7 @@ class TagRepository extends EntityRepository
      * @param string $tagNames
      * @return array
      */
-    public function findIdsByTagNameList($tagNames)
+    public function findIdsByTagNameList(string $tagNames)
     {
         $qb = $this
             ->createQueryBuilder('t')
diff --git a/tests/API/StatusControllerTest.php b/tests/API/StatusControllerTest.php
index d04f5451..74c40d6a 100644
--- a/tests/API/StatusControllerTest.php
+++ b/tests/API/StatusControllerTest.php
@@ -27,6 +27,11 @@ class StatusControllerTest extends APIControllerBaseTest
         $this->assertUrlIsSecured('/api/version');
     }
 
+    public function testIsSecurePlugins()
+    {
+        $this->assertUrlIsSecured('/api/plugins');
+    }
+
     public function testPing()
     {
         $client = $this->getClientForAuthenticatedUser(User::ROLE_USER);
@@ -62,4 +67,13 @@ class StatusControllerTest extends APIControllerBaseTest
             $result['copyright']
         );
     }
+
+    public function testPlugins()
+    {
+        $client = $this->getClientForAuthenticatedUser(User::ROLE_USER);
+        $this->assertAccessIsGranted($client, '/api/plugins');
+        $result = json_decode($client->getResponse()->getContent(), true);
+
+        $this->assertIsArray($result);
+    }
 }