diff --git a/backend/blueprints/admin/__init__.py b/backend/blueprints/admin/__init__.py
index 8453f44..4439482 100644
--- a/backend/blueprints/admin/__init__.py
+++ b/backend/blueprints/admin/__init__.py
@@ -137,5 +137,47 @@ def get_discussion_stats():
             }
         }), 200
         
+    except Exception as e:
+        return jsonify({'message': f'An error occurred: {str(e)}'}), 500
+    
+
+public_summary = Blueprint('public', __name__)
+
+@public_summary.route('/stats/summary', methods=['GET'])
+def get_public_summary():
+    """
+    Public API to fetch total user count, authors, and total courses.
+    """
+    try:
+        # Total users
+        total_users = db.session.execute(
+            select(func.count()).select_from(User)
+        ).scalar()
+
+        # Authors (users who have created courses)
+        total_authors = db.session.execute(
+            select(func.count(func.distinct(Course.authorID)))
+            .select_from(Course)
+        ).scalar()
+
+        # Total courses
+        total_courses = db.session.execute(
+            select(func.count()).select_from(Course)
+        ).scalar()
+
+        # Simulated newsletter subscription count
+        subscribed_users = db.session.execute(
+            select(func.count(User.email)).select_from(User)
+        ).scalar()
+
+        return jsonify({
+            'stats': {
+                'totalUsers': total_users,
+                'totalAuthors': total_authors,
+                'totalCourses': total_courses,
+                'subscribedNewsletter': subscribed_users
+            }
+        }), 200
+
     except Exception as e:
         return jsonify({'message': f'An error occurred: {str(e)}'}), 500
\ No newline at end of file
diff --git a/backend/blueprints/notification/__init__.py b/backend/blueprints/notification/__init__.py
index 64b82a1..c6d6f88 100644
--- a/backend/blueprints/notification/__init__.py
+++ b/backend/blueprints/notification/__init__.py
@@ -1,3 +1,108 @@
-from flask import Blueprint
+from flask import Blueprint, jsonify, request, g
+from utils.auth import auth_required
+from db.model import User, Notification, db
+from sqlalchemy import select, and_, desc
+from datetime import datetime
+import uuid
 
-notification = Blueprint('notification', __name__)
\ No newline at end of file
+notification = Blueprint('notification', __name__)
+
+@notification.route('/get', methods=['GET', 'POST'])
+@auth_required()
+def handle_notifications():
+    """
+    Unified endpoint for handling notifications:
+    GET: Fetch notifications with optional before/after pagination
+    POST: Mark notifications as seen
+    
+    Query Parameters for GET:
+    - before: UUID of notification to get older entries
+    - after: UUID of notification to get newer entries
+    - limit: Number of notifications to return (default: 10)
+    
+    POST Body:
+    {
+        "notificationIds": ["uuid1", "uuid2", ...]
+    }
+    """
+    if request.method == 'GET':
+        try:
+            current_user: User = g.current_user
+            limit: int = int(request.args.get('limit', 10))
+            before_id = request.args.get('before')
+            after_id = request.args.get('after')
+            
+            # Base query
+            query = select(Notification).where(
+                Notification.userID == current_user.id
+            )
+
+            # Handle pagination
+            if before_id:
+                try:
+                    reference_notification = db.session.execute(
+                        select(Notification)
+                        .where(and_(
+                            Notification.id == uuid.UUID(before_id),
+                            Notification.userID == current_user.id
+                        ))
+                    ).scalar()
+                    
+                    if not reference_notification:
+                        return jsonify({'message': 'Reference notification not found'}), 404
+                        
+                    query = query.where(
+                        Notification.notifDate < reference_notification.notifDate
+                    )
+                except ValueError:
+                    return jsonify({'message': 'Invalid notification ID format'}), 400
+                    
+            elif after_id:
+                try:
+                    reference_notification = db.session.execute(
+                        select(Notification)
+                        .where(and_(
+                            Notification.id == uuid.UUID(after_id),
+                            Notification.userID == current_user.id
+                        ))
+                    ).scalar()
+                    
+                    if not reference_notification:
+                        return jsonify({'message': 'Reference notification not found'}), 404
+                        
+                    query = query.where(
+                        Notification.notifDate > reference_notification.notifDate
+                    )
+                    # For after queries, we need to reverse the order later
+                    query = query.order_by(Notification.notifDate)
+                except ValueError:
+                    return jsonify({'message': 'Invalid notification ID format'}), 400
+            else:
+                # Default ordering
+                query = query.order_by(desc(Notification.notifDate))
+                
+            # Apply limit and execute query
+            query = query.limit(limit)
+            notifications = list(db.session.execute(query).scalars())
+            
+            # Reverse the order for 'after' queries to maintain consistency
+            if after_id:
+                notifications.reverse()
+            
+            # Format response
+            notif_list = [{
+                'id': str(notif.id),
+                'type': notif.notificationType,
+                'data': notif.notificationData,
+                'seen': notif.isSeen,
+                'date': notif.notifDate.isoformat()
+            } for notif in notifications]
+            
+            return jsonify({
+                'notifications': notif_list,
+                'count': len(notif_list),
+                'hasMore': len(notif_list) == limit
+            }), 200
+            
+        except Exception as e:
+            return jsonify({'message': f'An error occurred: {str(e)}'}), 500
\ No newline at end of file