diff --git a/openapi.json b/openapi.json
index db02f4511..8a95924d4 100644
--- a/openapi.json
+++ b/openapi.json
@@ -14508,6 +14508,66 @@
         }
       }
     },
+    "/api/Volume/multiple": {
+      "post": {
+        "tags": [
+          "Volume"
+        ],
+        "requestBody": {
+          "content": {
+            "application/json": {
+              "schema": {
+                "type": "array",
+                "items": {
+                  "type": "integer",
+                  "format": "int32"
+                }
+              }
+            },
+            "text/json": {
+              "schema": {
+                "type": "array",
+                "items": {
+                  "type": "integer",
+                  "format": "int32"
+                }
+              }
+            },
+            "application/*+json": {
+              "schema": {
+                "type": "array",
+                "items": {
+                  "type": "integer",
+                  "format": "int32"
+                }
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "OK",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "type": "boolean"
+                }
+              },
+              "application/json": {
+                "schema": {
+                  "type": "boolean"
+                }
+              },
+              "text/json": {
+                "schema": {
+                  "type": "boolean"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/api/want-to-read": {
       "post": {
         "tags": [