diff --git a/openapi.json b/openapi.json
index 2267849..eb5cc17 100644
--- a/openapi.json
+++ b/openapi.json
@@ -886,6 +886,12 @@
                             "null"
                           ]
                         },
+                        "subcategory_count": {
+                          "type": [
+                            "integer",
+                            "null"
+                          ]
+                        },
                         "sort_order": {
                           "type": [
                             "string",
@@ -1084,6 +1090,7 @@
                         "can_edit",
                         "topic_template",
                         "has_children",
+                        "subcategory_count",
                         "sort_order",
                         "sort_ascending",
                         "show_subcategory_list",
@@ -1295,6 +1302,12 @@
                               "has_children": {
                                 "type": "boolean"
                               },
+                              "subcategory_count": {
+                                "type": [
+                                  "integer",
+                                  "null"
+                                ]
+                              },
                               "sort_order": {
                                 "type": [
                                   "string",
@@ -1407,6 +1420,7 @@
                               "can_edit",
                               "topic_template",
                               "has_children",
+                              "subcategory_count",
                               "sort_order",
                               "sort_ascending",
                               "show_subcategory_list",
@@ -1559,6 +1573,12 @@
                             "null"
                           ]
                         },
+                        "subcategory_count": {
+                          "type": [
+                            "integer",
+                            "null"
+                          ]
+                        },
                         "sort_order": {
                           "type": [
                             "string",
@@ -1758,6 +1778,7 @@
                         "topic_template",
                         "form_template_ids",
                         "has_children",
+                        "subcategory_count",
                         "sort_order",
                         "sort_ascending",
                         "show_subcategory_list",
@@ -2237,6 +2258,12 @@
                             "null"
                           ]
                         },
+                        "subcategory_count": {
+                          "type": [
+                            "integer",
+                            "null"
+                          ]
+                        },
                         "sort_order": {
                           "type": [
                             "string",
@@ -2435,6 +2462,7 @@
                         "can_edit",
                         "topic_template",
                         "has_children",
+                        "subcategory_count",
                         "sort_order",
                         "sort_ascending",
                         "show_subcategory_list",
@@ -7402,6 +7430,12 @@
                           "has_children": {
                             "type": "boolean"
                           },
+                          "subcategory_count": {
+                            "type": [
+                              "integer",
+                              "null"
+                            ]
+                          },
                           "sort_order": {
                             "type": [
                               "string",
@@ -7534,6 +7568,7 @@
                           "notification_level",
                           "topic_template",
                           "has_children",
+                          "subcategory_count",
                           "sort_order",
                           "sort_ascending",
                           "show_subcategory_list",
diff --git a/openapi.yml b/openapi.yml
index 24c0b8f..16b41bf 100644
--- a/openapi.yml
+++ b/openapi.yml
@@ -676,6 +676,10 @@ paths:
                         type:
                         - boolean
                         - 'null'
+                      subcategory_count:
+                        type:
+                        - integer
+                        - 'null'
                       sort_order:
                         type:
                         - string
@@ -817,6 +821,7 @@ paths:
                     - can_edit
                     - topic_template
                     - has_children
+                    - subcategory_count
                     - sort_order
                     - sort_ascending
                     - show_subcategory_list
@@ -968,6 +973,10 @@ paths:
                               - 'null'
                             has_children:
                               type: boolean
+                            subcategory_count:
+                              type:
+                              - integer
+                              - 'null'
                             sort_order:
                               type:
                               - string
@@ -1049,6 +1058,7 @@ paths:
                           - can_edit
                           - topic_template
                           - has_children
+                          - subcategory_count
                           - sort_order
                           - sort_ascending
                           - show_subcategory_list
@@ -1154,6 +1164,10 @@ paths:
                         type:
                         - boolean
                         - 'null'
+                      subcategory_count:
+                        type:
+                        - integer
+                        - 'null'
                       sort_order:
                         type:
                         - string
@@ -1296,6 +1310,7 @@ paths:
                     - topic_template
                     - form_template_ids
                     - has_children
+                    - subcategory_count
                     - sort_order
                     - sort_ascending
                     - show_subcategory_list
@@ -1635,6 +1650,10 @@ paths:
                         type:
                         - boolean
                         - 'null'
+                      subcategory_count:
+                        type:
+                        - integer
+                        - 'null'
                       sort_order:
                         type:
                         - string
@@ -1776,6 +1795,7 @@ paths:
                     - can_edit
                     - topic_template
                     - has_children
+                    - subcategory_count
                     - sort_order
                     - sort_ascending
                     - show_subcategory_list
@@ -5264,6 +5284,10 @@ paths:
                           - 'null'
                         has_children:
                           type: boolean
+                        subcategory_count:
+                          type:
+                          - integer
+                          - 'null'
                         sort_order:
                           type:
                           - string
@@ -5358,6 +5382,7 @@ paths:
                       - notification_level
                       - topic_template
                       - has_children
+                      - subcategory_count
                       - sort_order
                       - sort_ascending
                       - show_subcategory_list