diff --git a/api-ref/source/v3/parameters.yaml b/api-ref/source/v3/parameters.yaml
index 7e6cefd3151..3192972fc40 100644
--- a/api-ref/source/v3/parameters.yaml
+++ b/api-ref/source/v3/parameters.yaml
@@ -243,6 +243,13 @@ image-id:
   in: query
   required: false
   type: string
+is_public_volume_type_query:
+  description: |
+    Filter the volume type by public visibility.
+    See :ref:`valid boolean values <valid-boolean-values>`.
+  in: query
+  required: false
+  type: boolean
 limit:
   description: |
     Requests a page size of items. Returns a number
diff --git a/api-ref/source/v3/volumes-v3-types.inc b/api-ref/source/v3/volumes-v3-types.inc
index 53ca6af4dc9..ef2695f4cde 100644
--- a/api-ref/source/v3/volumes-v3-types.inc
+++ b/api-ref/source/v3/volumes-v3-types.inc
@@ -380,6 +380,7 @@ Request
 .. rest_parameters:: parameters.yaml
 
    - project_id: project_id_path
+   - is_public: is_public_volume_type_query
    - sort: sort
    - limit: limit
    - offset: offset