diff --git a/distilclient/tests/unit/v2/test_invoices.py b/distilclient/tests/unit/v2/test_invoices.py
index eb46178..a257c28 100644
--- a/distilclient/tests/unit/v2/test_invoices.py
+++ b/distilclient/tests/unit/v2/test_invoices.py
@@ -36,11 +36,13 @@ class InvoicesTest(utils.TestCase):
         self.client.invoices.list('2017-1-1', '2018-2-1',
                                   'project_id')
         mock_list.assert_called_with('/v2/invoices?start=2017-1-1'
-                                     '&end=2018-2-1&project_id=project_id',
+                                     '&end=2018-2-1&detailed=False&'
+                                     'project_id=project_id',
                                      'invoices')
 
     @mock.patch.object(base.Manager, '_list')
     def test_list_without_project_id(self, mock_list):
         self.client.invoices.list('2017-1-1', '2018-2-1')
         mock_list.assert_called_with('/v2/invoices?start=2017-1-1'
-                                     '&end=2018-2-1', 'invoices')
+                                     '&end=2018-2-1&detailed=False',
+                                     'invoices')
diff --git a/distilclient/tests/unit/v2/test_quotations.py b/distilclient/tests/unit/v2/test_quotations.py
index dc51d60..d908629 100644
--- a/distilclient/tests/unit/v2/test_quotations.py
+++ b/distilclient/tests/unit/v2/test_quotations.py
@@ -34,10 +34,12 @@ class QuotationsTest(utils.TestCase):
     @mock.patch.object(base.Manager, '_list')
     def test_list_with_project_id(self, mock_list):
         self.client.quotations.list('project_id')
-        mock_list.assert_called_with('/v2/quotations?project_id=project_id',
+        mock_list.assert_called_with('/v2/quotations?detailed=False&'
+                                     'project_id=project_id',
                                      'quotations')
 
     @mock.patch.object(base.Manager, '_list')
     def test_list_without_project_id(self, mock_list):
         self.client.quotations.list()
-        mock_list.assert_called_with('/v2/quotations', 'quotations')
+        mock_list.assert_called_with('/v2/quotations?detailed=False',
+                                     'quotations')
diff --git a/distilclient/v2/invoices.py b/distilclient/v2/invoices.py
index eb9fd6b..92c29aa 100644
--- a/distilclient/v2/invoices.py
+++ b/distilclient/v2/invoices.py
@@ -17,20 +17,23 @@ from distilclient import base
 
 class InvoiceManager(base.Manager):
 
-    def list(self, start, end, project_id=None):
+    def list(self, start, end, project_id=None, detailed=False):
         """Retrieve a list of invoices.
 
         :param start: Start date of the query
         :param end: End date of the query
         :param project_id: Project ID, there there is no project id given,
                            Distil will use the project ID from token.
+        :param detailed: Default value is False, indicate if inlucding detailed
+                         usage info in the response.
         :returns: A list of invoices.
         """
 
-        url = "/v2/invoices?start={0}&end={1}"
+        url = "/v2/invoices?start={0}&end={1}&detailed={2}"
         if project_id:
-            url = url.format(start, end) + "&project_id=" + project_id
+            url = (url.format(start, end, detailed) +
+                   "&project_id=" + project_id)
         else:
-            url = url.format(start, end)
+            url = url.format(start, end, detailed)
 
         return self._list(url, "invoices")
diff --git a/distilclient/v2/quotations.py b/distilclient/v2/quotations.py
index 36a32b3..92e46c4 100644
--- a/distilclient/v2/quotations.py
+++ b/distilclient/v2/quotations.py
@@ -17,15 +17,17 @@ from distilclient import base
 
 class QuotationManager(base.Manager):
 
-    def list(self, project_id=None):
+    def list(self, project_id=None, detailed=False):
         """Retrieve a list of quotations.
 
         :param project_id: Project ID, there there is no project id given,
                            Distil will use the project ID from token.
+        :param detailed: Default value is False, indicate if inlucding detailed
+                         usage info in the response.
         :returns: A list of quotations.
         """
 
-        url = "/v2/quotations"
+        url = "/v2/quotations?detailed=" + str(detailed)
         if project_id:
-            url = url + "?project_id=" + project_id
+            url = url + "&project_id=" + project_id
         return self._list(url, "quotations")