diff --git a/accountant/api/views/accounts.py b/accountant/api/views/accounts.py
index 6ad945b..d3b0508 100644
--- a/accountant/api/views/accounts.py
+++ b/accountant/api/views/accounts.py
@@ -28,6 +28,8 @@ from ..models.accounts import Account
 
 from ..fields import Object
 
+from ..views.users import requires_auth
+
 
 resource_fields = {
     'id': fields.Integer(default=None),
@@ -54,6 +56,7 @@ date_parser.add_argument('end',
 
 
 class AccountListResource(Resource):
+    @requires_auth
     @marshal_with_field(fields.List(Object(resource_fields)))
     def get(self):
         """
@@ -61,6 +64,7 @@ class AccountListResource(Resource):
         """
         return Account.query().all(), 200
 
+    @requires_auth
     @marshal_with_field(Object(resource_fields))
     def post(self):
         """
@@ -88,6 +92,7 @@ class AccountListResource(Resource):
 
 
 class AccountResource(Resource):
+    @requires_auth
     @marshal_with_field(Object(resource_fields))
     def get(self, account_id):
         """
@@ -104,6 +109,7 @@ class AccountResource(Resource):
         except NoResultFound:
             return None, 404
 
+    @requires_auth
     @marshal_with_field(Object(resource_fields))
     def delete(self, account_id):
         # Need to get the object to update it.
@@ -116,6 +122,7 @@ class AccountResource(Resource):
 
         return None, 204
 
+    @requires_auth
     @marshal_with_field(Object(resource_fields))
     def post(self, account_id):
         kwargs = parser.parse_args()
diff --git a/accountant/api/views/operations.py b/accountant/api/views/operations.py
index 63c269b..8f023c8 100644
--- a/accountant/api/views/operations.py
+++ b/accountant/api/views/operations.py
@@ -26,6 +26,8 @@ from ..models.operations import Operation
 
 from ..fields import Object
 
+from ..views.users import requires_auth
+
 
 resource_fields = {
     'id': fields.Integer(default=None),
@@ -62,6 +64,7 @@ range_parser.add_argument('end', type=lambda a: dateutil.parser.parse(a))
 
 
 class OperationListResource(Resource):
+    @requires_auth
     @marshal_with_field(fields.List(Object(resource_fields)))
     def get(self):
         kwargs = range_parser.parse_args()
@@ -73,6 +76,7 @@ class OperationListResource(Resource):
             Operation.account_id == kwargs['account']
         ).all()
 
+    @requires_auth
     @marshal_with_field(Object(resource_fields))
     def post(self):
         kwargs = parser.parse_args()
@@ -85,6 +89,7 @@ class OperationListResource(Resource):
 
 
 class OperationResource(Resource):
+    @requires_auth
     @marshal_with_field(Object(resource_fields))
     def get(self, operation_id):
         """
@@ -97,6 +102,7 @@ class OperationResource(Resource):
 
         return operation
 
+    @requires_auth
     @marshal_with_field(Object(resource_fields))
     def post(self, operation_id):
         kwargs = parser.parse_args()
@@ -117,6 +123,7 @@ class OperationResource(Resource):
 
         return operation
 
+    @requires_auth
     @marshal_with_field(Object(resource_fields))
     def delete(self, operation_id):
         operation = db.session.query(Operation).get(operation_id)
@@ -137,6 +144,7 @@ category_resource_fields = {
 
 
 class CategoriesResource(Resource):
+    @requires_auth
     @marshal_with_field(fields.List(Object(category_resource_fields)))
     def get(self):
         kwargs = range_parser.parse_args()
@@ -154,6 +162,7 @@ ohlc_resource_fields = {
 
 
 class SoldsResource(Resource):
+    @requires_auth
     @marshal_with_field(fields.List(Object(ohlc_resource_fields)))
     def get(self):
         kwargs = range_parser.parse_args()