diff --git a/ITPlanning/api/appointement.py b/ITPlanning/api/appointement.py
index 89f93ff..3748738 100644
--- a/ITPlanning/api/appointement.py
+++ b/ITPlanning/api/appointement.py
@@ -92,14 +92,14 @@ def get_appointment_by_ticket(id):
 
 @api.route("/appointment", methods=["POST"])
 def new_appointment():
-    pass
+    raise NotImplementedError
 
 
 @api.route("/appointment", methods=["PUT"])
 def update_appointment():
-    pass
+    raise NotImplementedError
 
 
 @api.route("/appointment", methods=["DELETE"])
 def delete_appointment():
-    pass
+    raise NotImplementedError