diff --git a/lms/djangoapps/course_home_api/outline/v1/serializers.py b/lms/djangoapps/course_home_api/outline/v1/serializers.py
index 88acc820fa..87442babdc 100644
--- a/lms/djangoapps/course_home_api/outline/v1/serializers.py
+++ b/lms/djangoapps/course_home_api/outline/v1/serializers.py
@@ -47,6 +47,7 @@ class CourseBlockSerializer(serializers.Serializer):
                 'icon': icon,
                 'id': block_key,
                 'lms_web_url': block['lms_web_url'] if enable_links else None,
+                'resume_block': block.get('resume_block', False),
                 'type': block_type,
             },
         }
diff --git a/lms/djangoapps/course_home_api/outline/v1/views.py b/lms/djangoapps/course_home_api/outline/v1/views.py
index 909bd8dd23..eef2b3d98c 100644
--- a/lms/djangoapps/course_home_api/outline/v1/views.py
+++ b/lms/djangoapps/course_home_api/outline/v1/views.py
@@ -81,6 +81,7 @@ class OutlineTabView(RetrieveAPIView):
                     xBlock on the web LMS.
                 children: (list) If the block has child blocks, a list of IDs of
                     the child blocks.
+                resume_block: (bool) Whether the block is the resume block
         course_goals:
             goal_options: (list) A list of goals where each goal is represented as a tuple (goal_key, goal_string)
             selected_goal: