diff --git a/src/dependencies.py b/src/dependencies.py
index 886e798..b00b5f4 100644
--- a/src/dependencies.py
+++ b/src/dependencies.py
@@ -33,6 +33,16 @@
 )
 
 
+def is_user_authenticated(request: Request, db: Session = Depends(get_db)) -> bool:
+    try:
+        user_info = request.session["user"]
+    except KeyError:
+        return False
+    if get_user(db, user_info["email"]) is None:
+        return False
+    return True
+
+
 def get_current_user(request: Request, db: Session = Depends(get_db)) -> User:
     try:
         user_info = request.session["user"]
diff --git a/src/routers/group.py b/src/routers/group.py
index 4dbd258..8652d8c 100644
--- a/src/routers/group.py
+++ b/src/routers/group.py
@@ -522,3 +522,18 @@ def read_group_member_daily_expenses_detail(
         return services.group_member_daily_expenses_detail(
             db, current_user.id, group_id, member_id
         )
+
+
+@router.get(
+    "/{group_id}/member/{member_id}/history/", response_model=Page[GroupHistory]
+)
+def read_group_history(
+    *,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+    group_id: int,
+    member_id: int,
+) -> Page[GroupHistory]:
+    return paginate(
+        db, services.group_member_history(db, current_user.id, group_id, member_id)
+    )
diff --git a/src/routers/user.py b/src/routers/user.py
index bf01e46..caf4d7d 100644
--- a/src/routers/user.py
+++ b/src/routers/user.py
@@ -14,6 +14,7 @@
     transform_date_or_422,
     transform_exact_date_or_422,
     Page,
+    is_user_authenticated,
 )
 from models import User, Expense
 from schemas import (
@@ -33,6 +34,11 @@
 )
 
 
+@router.get("/check-auth/")
+def check_authentication(authenticated: bool = Depends(is_user_authenticated)):
+    return authenticated
+
+
 @router.get("/", response_model=Page[UserModel])
 def read_users(db: Session = Depends(get_db)) -> Page[UserModel]:
     return paginate(db, select(User))
diff --git a/src/services/__init__.py b/src/services/__init__.py
index 1909700..646ae6d 100644
--- a/src/services/__init__.py
+++ b/src/services/__init__.py
@@ -39,6 +39,7 @@
     group_member_category_expenses,
     group_member_daily_expenses,
     group_member_daily_expenses_detail,
+    group_member_history,
 )
 from .invitation import create_invitation, read_invitations, response_invitation
 from .replenishment import (
diff --git a/src/services/group.py b/src/services/group.py
index b4ddb0f..58a03a4 100644
--- a/src/services/group.py
+++ b/src/services/group.py
@@ -1472,3 +1472,67 @@ def group_member_daily_expenses_detail(
 
     result_list = list(result_dict.values())
     return result_list
+
+
+def group_member_history(
+    db: Session,
+    current_user: int,
+    group_id: int,
+    member_id: int,
+) -> List[GroupHistory]:
+    try:
+        (
+            db.query(UserGroup)
+            .filter_by(
+                user_id=current_user,
+                group_id=group_id,
+            )
+            .one()
+        )
+    except:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="You are not in this group!",
+        )
+    try:
+        (
+            db.query(UserGroup)
+            .filter_by(
+                user_id=member_id,
+                group_id=group_id,
+            )
+            .one()
+        )
+    except:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="This user is not in this group!",
+        )
+    member_history = (
+        select(
+            Expense.id,
+            Expense.descriptions,
+            Expense.amount,
+            Expense.time,
+            Expense.category_id,
+            CategoryGroup.color_code.label("color_code_category"),
+            Category.title.label("title_category"),
+            User.id.label("user_id"),
+            User.login.label("user_login"),
+            User.first_name.label("user_first_name"),
+            User.last_name.label("user_last_name"),
+            User.picture.label("user_picture"),
+        )
+        .join(
+            CategoryGroup,
+            and_(
+                Expense.category_id == CategoryGroup.category_id,
+                Expense.group_id == CategoryGroup.group_id,
+            ),
+        )
+        .join(Category, Expense.category_id == Category.id)
+        .join(User, User.id == Expense.user_id)
+        .filter(and_(Expense.group_id == group_id, Expense.user_id == member_id))
+        .order_by(desc(Expense.time))
+    )
+    return member_history