diff --git a/api/schemas.py b/api/schemas.py
index 7e395b3..829e8b8 100644
--- a/api/schemas.py
+++ b/api/schemas.py
@@ -83,6 +83,8 @@ class LotterySchema(Schema):
     index = fields.Int()
     done = fields.Boolean()
     name = fields.Method("format_name", dump_only=True)
+    application_num = fields.Method("get_application_num",
+                                    dump_only=True)
     winners = fields.Method("get_winners", dump_only=True)
     end_of_drawing = fields.Method("calc_end_of_drawing")
 
@@ -92,6 +94,9 @@ def format_name(self, lottery):
         index = lottery.index
         return f"{grade}{name}.{index}"
 
+    def get_application_num(self, lottery):
+        return len(lottery.application)
+
     def get_winners(self, lottery):
         winners = Application.query.filter_by(
             lottery_id=lottery.id, status="won").all()
diff --git a/api/spec/template.yml b/api/spec/template.yml
index 4b2edff..cb382ef 100644
--- a/api/spec/template.yml
+++ b/api/spec/template.yml
@@ -118,6 +118,10 @@ definitions:
         description: Display name of the lottery
         example: 5A.0
         type: string
+      application_num:
+        description: The number of applications to the lottery
+        example: 180
+        type: integer
       winners:
         type: array
         items:
diff --git a/test/test_lottery.py b/test/test_lottery.py
index b6521d9..4eceada 100644
--- a/test/test_lottery.py
+++ b/test/test_lottery.py
@@ -138,6 +138,27 @@ def test_get_specific_lottery(client):
     assert resp.get_json() == lottery
 
 
+def test_lottery_application_num(client):
+    """test the correct number of applications is returned fron the API
+        target_url: /lotteries/<id>
+    """
+    idx = 1
+
+    with client.application.app_context():
+        target_lottery = Lottery.query.get(idx)
+        users = User.query.all()
+        users_num = len(users)
+
+        apps = (Application(lottery=target_lottery, user=user)
+                for user in users)
+        for app in apps:
+            db.session.add(app)
+        db.session.commit()
+
+    resp = client.get(f'/lotteries/{idx}')
+    assert resp.get_json()['application_num'] == users_num
+
+
 def test_get_specific_lottery_invalid_id(client):
     """test proper errpr is returned from the API
         target_url: /lotteries/<id>