diff --git a/include/api.php b/include/api.php
index 4a55c2b919..0729c2a0f8 100644
--- a/include/api.php
+++ b/include/api.php
@@ -23,6 +23,7 @@ use Friendica\Model\Contact;
 use Friendica\Model\Group;
 use Friendica\Model\Item;
 use Friendica\Model\Mail;
+use Friendica\Model\Notification;
 use Friendica\Model\Photo;
 use Friendica\Model\Profile;
 use Friendica\Model\User;
@@ -5906,7 +5907,7 @@ function api_friendica_notification($type)
 		throw new BadRequestException("Invalid argument count");
 	}
 
-	$notifications = DI::notification()->select([], ['order' => ['seen' => 'ASC', 'date' => 'DESC'], 'limit' => 50]);
+	$notifications = DI::notification()->select(['uid' => api_user()], ['order' => ['seen' => 'ASC', 'date' => 'DESC'], 'limit' => 50]);
 
 	if ($type == "xml") {
 		$xmlnotes = false;
@@ -5957,8 +5958,7 @@ function api_friendica_notification_seen($type)
 		$notification = DI::notification()->getByID($id);
 		$notification->setSeen();
 
-		if ($notification->otype == 'item') {
-			// would be really better with an ItemsManager and $im->getByID() :-P
+		if ($notification->otype === Notification::OTYPE_ITEM) {
 			$item = Item::selectFirstForUser(api_user(), [], ['id' => $notification->iid, 'uid' => api_user()]);
 			if (DBA::isResult($item)) {
 				// we found the item, return it to the user
diff --git a/include/enotify.php b/include/enotify.php
index 32f32afec8..f509367efb 100644
--- a/include/enotify.php
+++ b/include/enotify.php
@@ -12,6 +12,7 @@ use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Model\Item;
 use Friendica\Model\ItemContent;
+use Friendica\Model\Notification;
 use Friendica\Model\User;
 use Friendica\Model\UserItem;
 use Friendica\Protocol\Activity;
@@ -160,7 +161,7 @@ function notification($params)
 
 		// if it's a post figure out who's post it is.
 		$item = null;
-		if ($params['otype'] === 'item' && $parent_id) {
+		if ($params['otype'] === Notification::OTYPE_ITEM && $parent_id) {
 			$item = Item::selectFirstForUser($params['uid'], Item::ITEM_FIELDLIST, ['id' => $parent_id, 'deleted' => false]);
 		}
 
diff --git a/src/Factory/Notification/IntroductionFactory.php b/src/Factory/Notification/IntroductionFactory.php
index 3f2bb563a1..0988821154 100644
--- a/src/Factory/Notification/IntroductionFactory.php
+++ b/src/Factory/Notification/IntroductionFactory.php
@@ -63,7 +63,7 @@ class IntroductionFactory extends BaseFactory
 	 *
 	 * @return Introduction[]
 	 */
-	public function getIntroList(bool $all = false, int $start = 0, int $limit = BaseNotifications::DEFAULT_PAGE_LIMIT, int $id = 0)
+	public function getList(bool $all = false, int $start = 0, int $limit = BaseNotifications::DEFAULT_PAGE_LIMIT, int $id = 0)
 	{
 		$sql_extra     = "";
 
@@ -128,7 +128,7 @@ class IntroductionFactory extends BaseFactory
 
 					// Normal connection requests
 				} else {
-					$notification = $this->getMissingIntroData($notification);
+					$notification = $this->getMissingData($notification);
 
 					if (empty($notification['url'])) {
 						continue;
@@ -182,7 +182,7 @@ class IntroductionFactory extends BaseFactory
 	 *
 	 * @throws InternalServerErrorException
 	 */
-	private function getMissingIntroData(array $intro)
+	private function getMissingData(array $intro)
 	{
 		// If the network and the addr isn't available from the gcontact
 		// table entry, take the one of the contact table entry
diff --git a/src/Model/Notification.php b/src/Model/Notification.php
index 254aaf5f6b..75fb95829f 100644
--- a/src/Model/Notification.php
+++ b/src/Model/Notification.php
@@ -44,6 +44,11 @@ use Psr\Log\LoggerInterface;
  */
 class Notification extends BaseModel
 {
+	const OTYPE_ITEM   = 'item';
+	const OTYPE_INTRO  = 'intro';
+	const OTYPE_MAIL   = 'mail';
+	const OTYPE_PERSON = 'person';
+
 	/** @var \Friendica\Repository\Notification */
 	private $repo;
 
diff --git a/src/Module/Notifications/Introductions.php b/src/Module/Notifications/Introductions.php
index 8ded212c6c..69c776382b 100644
--- a/src/Module/Notifications/Introductions.php
+++ b/src/Module/Notifications/Introductions.php
@@ -26,7 +26,7 @@ class Introductions extends BaseNotifications
 
 		$notifications = [
 			'ident'         => 'introductions',
-			'notifications' => DI::factNotIntro()->getIntroList($all, self::$firstItemNum, self::ITEMS_PER_PAGE, $id),
+			'notifications' => DI::factNotIntro()->getList($all, self::$firstItemNum, self::ITEMS_PER_PAGE, $id),
 		];
 
 		return [