diff --git a/src/App/Router.php b/src/App/Router.php
index e90cb3ace0..78d8ab629f 100644
--- a/src/App/Router.php
+++ b/src/App/Router.php
@@ -44,12 +44,18 @@ use Friendica\Network\HTTPException;
  */
 class Router
 {
-	const POST = 'POST';
-	const GET  = 'GET';
+	const DELETE = 'DELETE';
+	const GET    = 'GET';
+	const PATCH  = 'PATCH';
+	const POST   = 'POST';
+	const PUT    = 'PUT';
 
 	const ALLOWED_METHODS = [
-		self::POST,
+		self::DELETE,
 		self::GET,
+		self::PATCH,
+		self::POST,
+		self::PUT,
 	];
 
 	/** @var RouteCollector */
diff --git a/src/Module/Api/Mastodon/Unimplemented.php b/src/Module/Api/Mastodon/Unimplemented.php
new file mode 100644
index 0000000000..3582f4b3b8
--- /dev/null
+++ b/src/Module/Api/Mastodon/Unimplemented.php
@@ -0,0 +1,47 @@
+<?php
+/**
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Module\Api\Mastodon;
+
+use Friendica\Core\Logger;
+use Friendica\Core\System;
+use Friendica\DI;
+use Friendica\Module\BaseApi;
+
+/**
+ * Dummy class for all currently unimplemented endpoints
+ */
+class Unimplemented extends BaseApi
+{
+	/**
+	 * @param array $parameters
+	 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+	 */
+	public static function rawContent(array $parameters = [])
+	{
+		$path = DI::args()->getQueryString();
+		Logger::info('Unimplemented API call', ['path' => $path]);
+		$error = DI::l10n()->t('API endpoint "%s" is not implemented', $path);
+		$error_description = DI::l10n()->t('The API endpoint is currently not implemented but might be in the future.');;
+		$errorobj = New \Friendica\Object\Api\Mastodon\Error($error, $error_description);
+		System::jsonError(501, $errorobj->toArray());
+	}
+}
diff --git a/static/routes.config.php b/static/routes.config.php
index f0627b6126..4ad122fbf2 100644
--- a/static/routes.config.php
+++ b/static/routes.config.php
@@ -56,17 +56,100 @@ return [
 
 	'/api' => [
 		'/v1' => [
+			'/accounts'                          => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
 			'/accounts/{id:\d+}'                 => [Module\Api\Mastodon\Accounts::class,                 [R::GET         ]],
 			'/accounts/{id:\d+}/statuses'        => [Module\Api\Mastodon\Accounts\Statuses::class,        [R::GET         ]],
+			'/accounts/{id:\d+}/followers'       => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/accounts/{id:\d+}/following'       => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/accounts/{id:\d+}/lists'           => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/accounts/{id:\d+}/identity_proofs' => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/accounts/{id:\d+}/follow'          => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/accounts/{id:\d+}/unfollow'        => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/accounts/{id:\d+}/block'           => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/accounts/{id:\d+}/unblock'         => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/accounts/{id:\d+}/mute'            => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/accounts/{id:\d+}/unmute'          => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/accounts/{id:\d+}/pin'             => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/accounts/{id:\d+}/unpin'           => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/accounts/{id:\d+}/note'            => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/accounts/relationships'            => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/accounts/search'                   => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/accounts/verify_credentials'       => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/accounts/update_credentials'       => [Module\Api\Mastodon\Unimplemented::class,            [R::PATCH       ]],
+			'/admin/accounts'                    => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/admin/accounts/{id:\d+}'           => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/admin/accounts/{id:\d+}/{action}'  => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/admin/reports'                     => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/admin/reports/{id:\d+}'            => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/admin/reports/{id:\d+}/{action}'   => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/announcements'                     => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/announcements/{id:\d+}/dismiss'    => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/announcements/{id:\d+}/reactions/{name}' => [Module\Api\Mastodon\Unimplemented::class,      [R::PUT, R::DELETE]],
+			'/apps'                              => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/apps/verify_credentials'           => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/blocks'                            => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/bookmarks'                         => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/conversations'                     => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/conversations/{id:\d+}'            => [Module\Api\Mastodon\Unimplemented::class,            [R::DELETE      ]],
+			'/conversations/{id:\d+}/read'       => [Module\Api\Mastodon\Unimplemented::class,            [R::POST        ]],
 			'/custom_emojis'                     => [Module\Api\Mastodon\CustomEmojis::class,             [R::GET         ]],
+			'/domain_blocks'                     => [Module\Api\Mastodon\Unimplemented::class,            [R::GET, R::POST, R::DELETE]],
 			'/directory'                         => [Module\Api\Mastodon\Directory::class,                [R::GET         ]],
+			'/endorsements'                      => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/favourites'                        => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/featured_tags'                     => [Module\Api\Mastodon\Unimplemented::class,            [R::GET, R::POST]],
+			'/featured_tags/{id:\d+}'            => [Module\Api\Mastodon\Unimplemented::class,            [R::DELETE      ]],
+			'/featured_tags/suggestions'         => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/filters'                           => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/filters/{id:\d+}'                  => [Module\Api\Mastodon\Unimplemented::class,            [R::GET, R::POST, R::PUT, R::DELETE]],
 			'/follow_requests'                   => [Module\Api\Mastodon\FollowRequests::class,           [R::GET         ]],
 			'/follow_requests/{id:\d+}/{action}' => [Module\Api\Mastodon\FollowRequests::class,           [        R::POST]],
 			'/instance'                          => [Module\Api\Mastodon\Instance::class,                 [R::GET         ]],
+			'/instance/activity'                 => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
 			'/instance/peers'                    => [Module\Api\Mastodon\Instance\Peers::class,           [R::GET         ]],
+			'/lists'                             => [Module\Api\Mastodon\Unimplemented::class,            [R::GET, R::POST]],
+			'/lists/{id:\d+}'                    => [Module\Api\Mastodon\Unimplemented::class,            [R::GET, R::PUT, R::DELETE]],
+			'/lists/{id:\d+}/accounts'           => [Module\Api\Mastodon\Unimplemented::class,            [R::GET, R::POST, R::DELETE]],
+			'/markers'                           => [Module\Api\Mastodon\Unimplemented::class,            [R::GET, R::POST]],
+			'/media'                             => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/media/{id:\d+}'                    => [Module\Api\Mastodon\Unimplemented::class,            [R::GET, R::PUT]],
+			'/mutes'                             => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/notifications'                     => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/notifications/{id:\d+}'            => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/notifications/clear'               => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/notifications/{id:\d+}/dismiss'    => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/polls/{id:\d+}'                    => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/polls/{id:\d+}/votes'              => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/preferences'                       => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/reports'                           => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/scheduled_statuses'                => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/scheduled_statuses/{id:\d+}'       => [Module\Api\Mastodon\Unimplemented::class,            [R::GET, R::PUT, R::DELETE]],
+			'/statuses'                          => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/statuses/{id:\d+}'                 => [Module\Api\Mastodon\Unimplemented::class,            [R::GET, R::DELETE]],
+			'/statuses/{id:\d+}/context'         => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/statuses/{id:\d+}/reblogged_by'    => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/statuses/{id:\d+}/favourited_by'   => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/statuses/{id:\d+}/favourite'       => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/statuses/{id:\d+}/unfavourite'     => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/statuses/{id:\d+}/reblog'          => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/statuses/{id:\d+}/unreblog'        => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/statuses/{id:\d+}/bookmark'        => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/statuses/{id:\d+}/unbookmark'      => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/statuses/{id:\d+}/mute'            => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/statuses/{id:\d+}/unmute'          => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/statuses/{id:\d+}/pin'             => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/statuses/{id:\d+}/unpin'           => [Module\Api\Mastodon\Unimplemented::class,            [        R::POST]],
+			'/suggestions'                       => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/suggestions/{id:\d+}'              => [Module\Api\Mastodon\Unimplemented::class,            [R::DELETE      ]],
+			'/timelines/home'                    => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+			'/timelines/list/{id:\d+}'           => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
 			'/timelines/public'                  => [Module\Api\Mastodon\Timelines\PublicTimeline::class, [R::GET         ]],
+			'/timelines/tag/{hashtag}'           => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
 			'/trends'                            => [Module\Api\Mastodon\Trends::class,                   [R::GET         ]],
 		],
+		'/v2' => [
+			'/search'                            => [Module\Api\Mastodon\Unimplemented::class,            [R::GET         ]],
+		],
 		'/friendica' => [
 			'/profile/show'                      => [Module\Api\Friendica\Profile\Show::class , [R::GET         ]],
 			'/events'                            => [Module\Api\Friendica\Events\Index::class , [R::GET         ]],
@@ -75,6 +158,7 @@ return [
 		'/followers/list'                        => [Module\Api\Twitter\FollowersList::class  , [R::GET         ]],
 		'/friends/ids'                           => [Module\Api\Twitter\FriendsIds::class     , [R::GET         ]],
 		'/friends/list'                          => [Module\Api\Twitter\FriendsList::class    , [R::GET         ]],
+		'/oembed'                                => [Module\Api\Mastodon\Unimplemented::class,  [R::GET         ]],
 	],
 
 	'/admin'               => [
@@ -243,6 +327,9 @@ return [
 		'/mark/all' => [Module\Notifications\Notification::class, [R::GET]],
 		'/{id:\d+}' => [Module\Notifications\Notification::class, [R::GET, R::POST]],
 	],
+	'/oauth/authorize'             => [Module\Api\Mastodon\Unimplemented::class, [R::GET]],
+	'/oauth/revoke'                => [Module\Api\Mastodon\Unimplemented::class, [R::POST]],
+	'/oauth/token'                 => [Module\Api\Mastodon\Unimplemented::class, [R::POST]],
 	'/objects/{guid}[/{activity}]' => [Module\Objects::class, [R::GET]],
 
 	'/oembed'         => [
@@ -267,6 +354,8 @@ return [
 	'/pretheme'          => [Module\ThemeDetails::class, [R::GET]],
 	'/probe'             => [Module\Debug\Probe::class,  [R::GET]],
 
+	'/proofs'            => [Module\Api\Mastodon\Unimplemented::class, [R::GET]],
+
 	'/profile/{nickname}' => $profileRoutes,
 	'/u/{nickname}'       => $profileRoutes,
 	'/~{nickname}'        => $profileRoutes,