diff --git a/misc/BreCalApi.yaml b/misc/BreCalApi.yaml
index 4bac560..0e4cf5f 100644
--- a/misc/BreCalApi.yaml
+++ b/misc/BreCalApi.yaml
@@ -658,12 +658,12 @@ paths:
         - notification
       operationId: notificationsGet
       parameters:
-        - name: shipcall_id
+        - name: participant_id
           in: query
           required: false
-          description: '**Id of ship call**. *Example: 52*. Id given in ship call list'
+          description: '**Id of participant**. *Example: 7*. Id of logged in participant.'
           schema:
-            $ref: '#/components/schemas/shipcallId'
+            $ref: '#/components/schemas/participant_id'
       responses:
         '200':
           description: notification list
diff --git a/src/server/BreCal/api/notifications.py b/src/server/BreCal/api/notifications.py
index c05d52e..7b715d2 100644
--- a/src/server/BreCal/api/notifications.py
+++ b/src/server/BreCal/api/notifications.py
@@ -14,7 +14,14 @@ def GetNotifications():
     try:
         if 'Authorization' in request.headers:
             token = request.headers.get('Authorization')
-            return impl.notifications.GetNotifications(token)
+            participant_id = None
+            if 'participant_id' in request.args:
+                try:
+                    participant_id = int(request.args.get('participant_id'))
+                except (TypeError, ValueError):
+                    return create_dynamic_exception_response(ex=None, status_code=400, message="participant_id must be an integer")
+
+            return impl.notifications.GetNotifications(token, participant_id=participant_id)
         else:
             return create_dynamic_exception_response(ex=None, status_code=403, message="not authenticated")
 
diff --git a/src/server/BreCal/impl/login.py b/src/server/BreCal/impl/login.py
index f1d7d00..bfc16cd 100644
--- a/src/server/BreCal/impl/login.py
+++ b/src/server/BreCal/impl/login.py
@@ -39,7 +39,7 @@ def GetUser(options):
                         "notify_whatsapp": data[0].notify_whatsapp,
                         "notify_signal": data[0].notify_signal,
                         "notify_popup": data[0].notify_popup,
-                        "notify_on": model.bitflag_to_list(data[0].notify_event)
+                        "notify_on": model.notification_types_to_names(model.bitflag_to_list(data[0].notify_event))
                     }
                     token = jwt_handler.generate_jwt(payload=result, lifetime=120) # generate token valid 60 mins
                     result["token"] = token # add token to user data
diff --git a/src/server/BreCal/impl/notifications.py b/src/server/BreCal/impl/notifications.py
index ea1ecb5..49a2d41 100644
--- a/src/server/BreCal/impl/notifications.py
+++ b/src/server/BreCal/impl/notifications.py
@@ -6,17 +6,22 @@ from ..schemas import model
 from .. import local_db
 from BreCal.database.sql_queries import SQLQuery
 
-def GetNotifications(token):
+def GetNotifications(token, participant_id=None):
     """
-    No parameters, gets all entries
+    Optional filtering by participant_id. Returns delivered (level=2) notifications.
     """
 
     pooledConnection = None
     try:
         pooledConnection = local_db.getPoolConnection()
         commands = pydapper.using(pooledConnection)
-        data = commands.query("SELECT id, shipcall_id, participant_id, level, type, message, created, modified FROM notification " +
-                              "WHERE level = 2", model=model.Notification.from_query_row)
+        query = "SELECT id, shipcall_id, participant_id, level, type, message, created, modified FROM notification WHERE level = 2"
+        params = {}
+        if participant_id is not None:
+            query += " AND participant_id = ?participant_id?"
+            params["participant_id"] = participant_id
+
+        data = commands.query(query, model=model.Notification.from_query_row, param=params if params else None)
 
     except Exception as ex:
         logging.error(ex)
diff --git a/src/server/BreCal/schemas/model.py b/src/server/BreCal/schemas/model.py
index 89218d7..dc99e61 100644
--- a/src/server/BreCal/schemas/model.py
+++ b/src/server/BreCal/schemas/model.py
@@ -5,7 +5,7 @@ from marshmallow_enum import EnumField
 from enum import IntEnum
 
 from marshmallow_dataclass import dataclass
-from typing import List
+from typing import Iterable, List
 
 import json
 import re
@@ -85,19 +85,31 @@ class NotificationType(IntEnum):
     def _missing_(cls, value):
         return cls.undefined
 
-def bitflag_to_list(bitflag: int) -> list[NotificationType]:
+def bitflag_to_list(bitflag: int | None) -> list[NotificationType]:
+    """Converts an integer bitflag to a list of NotificationType enums."""
     if bitflag is None:
         return []
-    """Converts an integer bitflag to a list of NotificationType enums."""
     return [nt for nt in NotificationType if bitflag & (1 << (nt.value - 1))]
 
-def list_to_bitflag(notifications: fields.List) -> int:
-    """Converts a list of NotificationType enums to an integer bitflag."""
-    try:
-        iter(notifications)
-        return sum(1 << (nt.value - 1) for nt in notifications)
-    except TypeError as te:
+def list_to_bitflag(notifications: Iterable[NotificationType | str | int] | None) -> int:
+    """Converts a list of NotificationType enums (or their names/values) to an integer bitflag."""
+    if not notifications:
         return 0
+    bitflag = 0
+    for nt in notifications:
+        enum_val = None
+        if isinstance(nt, NotificationType):
+            enum_val = nt
+        elif isinstance(nt, str):
+            enum_val = NotificationType[nt]
+        else:
+            enum_val = NotificationType(nt)
+        bitflag |= 1 << (enum_val.value - 1)
+    return bitflag
+
+def notification_types_to_names(notifications: Iterable[NotificationType]) -> list[str]:
+    """Render NotificationType values as their names for API responses."""
+    return [nt.name for nt in notifications]
 
 
 class ShipcallType(IntEnum):
@@ -573,8 +585,7 @@ class User:
     notify_popup: bool
     created: datetime
     modified: datetime
-    ports: List[NotificationType] = field(default_factory=list)
-    notify_event: List[NotificationType] = field(default_factory=list)
+    notify_event: int | None = 0
 
     def __hash__(self):
         return hash(id)