diff --git a/superset/dashboards/api.py b/superset/dashboards/api.py
index 2e94e2883..cba1fa74e 100644
--- a/superset/dashboards/api.py
+++ b/superset/dashboards/api.py
@@ -139,7 +139,6 @@ class DashboardRestApi(BaseSupersetModelRestApi):
 
     base_filters = [["slice", DashboardFilter, lambda: []]]
 
-    openapi_spec_tag = "Dashboards"
     order_rel_fields = {
         "slices": ("slice_name", "asc"),
         "owners": ("first_name", "asc"),
@@ -149,6 +148,12 @@ class DashboardRestApi(BaseSupersetModelRestApi):
     }
     allowed_rel_fields = {"owners"}
 
+    openapi_spec_tag = "Dashboards"
+    apispec_parameter_schemas = {
+        "get_delete_ids_schema": get_delete_ids_schema,
+        "get_export_ids_schema": get_export_ids_schema,
+        "thumbnail_query_schema": thumbnail_query_schema,
+    }
     openapi_spec_methods = openapi_spec_methods_override
     """ Overrides GET methods OpenApi descriptions """
 
@@ -354,9 +359,7 @@ class DashboardRestApi(BaseSupersetModelRestApi):
             content:
               application/json:
                 schema:
-                  type: array
-                  items:
-                    type: integer
+                  $ref: '#/components/schemas/get_delete_ids_schema'
           responses:
             200:
               description: Dashboard bulk delete
@@ -413,9 +416,7 @@ class DashboardRestApi(BaseSupersetModelRestApi):
             content:
               application/json:
                 schema:
-                  type: array
-                  items:
-                    type: integer
+                  $ref: '#/components/schemas/get_export_ids_schema'
           responses:
             200:
               description: Dashboard export
@@ -475,11 +476,7 @@ class DashboardRestApi(BaseSupersetModelRestApi):
             content:
               application/json:
                 schema:
-                  type: object
-                  properties:
-                    force:
-                      type: boolean
-                      default: false
+                  $ref: '#/components/schemas/thumbnail_query_schema'
           responses:
             200:
               description: Dashboard thumbnail image