diff --git a/cms/djangoapps/contentstore/rest_api/v1/serializers/vertical_block.py b/cms/djangoapps/contentstore/rest_api/v1/serializers/vertical_block.py
index 375643a6e852..0fe983beb660 100644
--- a/cms/djangoapps/contentstore/rest_api/v1/serializers/vertical_block.py
+++ b/cms/djangoapps/contentstore/rest_api/v1/serializers/vertical_block.py
@@ -99,6 +99,7 @@ class ChildVerticalContainerSerializer(serializers.Serializer):
 
     name = serializers.CharField(source="display_name_with_default")
     block_id = serializers.CharField(source="location")
+    block_type = serializers.CharField(source="location.block_type")
 
 
 class VerticalContainerSerializer(serializers.Serializer):
diff --git a/cms/djangoapps/contentstore/rest_api/v1/views/tests/test_vertical_block.py b/cms/djangoapps/contentstore/rest_api/v1/views/tests/test_vertical_block.py
index 23a318c5f5ff..848c579f093e 100644
--- a/cms/djangoapps/contentstore/rest_api/v1/views/tests/test_vertical_block.py
+++ b/cms/djangoapps/contentstore/rest_api/v1/views/tests/test_vertical_block.py
@@ -158,10 +158,12 @@ def test_children_content(self):
             {
                 "name": self.html_unit_first.display_name_with_default,
                 "block_id": str(self.html_unit_first.location),
+                "block_type": self.html_unit_first.location.block_type,
             },
             {
                 "name": self.html_unit_second.display_name_with_default,
                 "block_id": str(self.html_unit_second.location),
+                "block_type": self.html_unit_second.location.block_type,
             },
         ]
         self.assertEqual(response.data["children"], expected_response)
diff --git a/cms/djangoapps/contentstore/rest_api/v1/views/vertical_block.py b/cms/djangoapps/contentstore/rest_api/v1/views/vertical_block.py
index 43214726cd7e..d2d832e9674b 100644
--- a/cms/djangoapps/contentstore/rest_api/v1/views/vertical_block.py
+++ b/cms/djangoapps/contentstore/rest_api/v1/views/vertical_block.py
@@ -179,16 +179,19 @@ def get(self, request: Request, usage_key_string: str):
             "children": [
                 {
                     "name": "Drag and Drop",
-                    "block_id": "block-v1:org+101+101+type@drag-and-drop-v2+block@7599275ace6b46f5a482078a2954ca16"
+                    "block_id": "block-v1:org+101+101+type@drag-and-drop-v2+block@7599275ace6b46f5a482078a2954ca16",
+                    "block_type": "drag-and-drop-v2"
                 },
                 {
                     "name": "Video",
-                    "block_id": "block-v1:org+101+101+type@video+block@0e3d39b12d7c4345981bda6b3511a9bf"
+                    "block_id": "block-v1:org+101+101+type@video+block@0e3d39b12d7c4345981bda6b3511a9bf",
+                    "block_type": "video"
                 },
                 {
                     "name": "Text",
-                    "block_id": "block-v1:org+101+101+type@html+block@3e3fa1f88adb4a108cd14e9002143690"
-                }
+                    "block_id": "block-v1:org+101+101+type@html+block@3e3fa1f88adb4a108cd14e9002143690",
+                    "block_type": "html"
+                },
             ],
             "is_published": false
         }