diff --git a/src/index.test.ts b/src/index.test.ts
index 2ae88d9f..f51fb771 100644
--- a/src/index.test.ts
+++ b/src/index.test.ts
@@ -3,7 +3,7 @@ import { beforeEach, describe, expect, it, vi } from 'vitest';
 import type { ResponseFn } from './sbFetch';
 import SbFetch from './sbFetch';
 import { SbHelpers } from './sbHelpers';
-import type { ISbLink } from './interfaces';
+import type { ISbLink, ISbStoryData } from './interfaces';
 
 // Mocking external dependencies
 vi.mock('../src/sbFetch', () => {
@@ -1041,4 +1041,91 @@ describe('storyblokClient', () => {
       expect(mockGet).toHaveBeenCalledTimes(1);
     });
   });
+
+  // eslint-disable-next-line test/prefer-lowercase-title
+  describe('ISbStoryData interface implementation', () => {
+    it('should validate a complete story object structure', () => {
+      const storyData: ISbStoryData = {
+        alternates: [],
+        content: {
+          _uid: 'test-uid',
+          component: 'test',
+        },
+        created_at: '2024-01-01T00:00:00.000Z',
+        deleted_at: undefined,
+        full_slug: 'test/story',
+        group_id: 'test-group',
+        id: 1,
+        is_startpage: false,
+        lang: 'default',
+        meta_data: {},
+        name: 'Test Story',
+        parent_id: null,
+        position: 0,
+        published_at: null,
+        slug: 'test-story',
+        sort_by_date: null,
+        tag_list: [],
+        uuid: 'test-uuid',
+      };
+
+      expect(storyData).toBeDefined();
+      expect(storyData).toMatchObject({
+        alternates: expect.any(Array),
+        content: expect.objectContaining({
+          _uid: expect.any(String),
+          component: expect.any(String),
+        }),
+        created_at: expect.any(String),
+        full_slug: expect.any(String),
+        group_id: expect.any(String),
+        id: expect.any(Number),
+        lang: expect.any(String),
+        name: expect.any(String),
+        position: expect.any(Number),
+        slug: expect.any(String),
+        uuid: expect.any(String),
+      });
+    });
+
+    it('should handle optional properties correctly', () => {
+      const storyData: ISbStoryData = {
+        alternates: [],
+        content: {
+          _uid: 'test-uid',
+          component: 'test',
+        },
+        created_at: '2024-01-01T00:00:00.000Z',
+        full_slug: 'test/story',
+        group_id: 'test-group',
+        id: 1,
+        lang: 'default',
+        meta_data: {},
+        name: 'Test Story',
+        position: 0,
+        published_at: null,
+        slug: 'test-story',
+        sort_by_date: null,
+        tag_list: [],
+        uuid: 'test-uuid',
+        parent_id: null,
+        // Optional properties
+        preview_token: {
+          token: 'test-token',
+          timestamp: '2024-01-01T00:00:00.000Z',
+        },
+        localized_paths: [
+          {
+            path: '/en/test',
+            name: 'Test EN',
+            lang: 'en',
+            published: true,
+          },
+        ],
+      };
+
+      expect(storyData.preview_token).toBeDefined();
+      expect(storyData.localized_paths).toBeDefined();
+    });
+  });
 });
diff --git a/src/interfaces.ts b/src/interfaces.ts
index 7fd34c55..0a398361 100644
--- a/src/interfaces.ts
+++ b/src/interfaces.ts
@@ -82,6 +82,18 @@ export interface ISbComponentType<T extends string> {
   _editable?: string;
 }
 
+export interface PreviewToken {
+  token: string;
+  timestamp: string;
+}
+
+export interface LocalizedPath {
+  path: string;
+  name: string | null;
+  lang: string;
+  published: boolean;
+}
+
 export interface ISbStoryData<
   Content = ISbComponentType<string> & { [index: string]: any },
 > extends ISbMultipleStoriesData {
@@ -89,10 +101,12 @@ export interface ISbStoryData<
   breadcrumbs?: ISbLinkURLObject[];
   content: Content;
   created_at: string;
-  default_full_slug?: string;
+  deleted_at?: string;
+  default_full_slug?: string | null;
   default_root?: string;
   disble_fe_editor?: boolean;
-  first_published_at?: string;
+  favourite_for_user_ids?: number[] | null;
+  first_published_at?: string | null;
   full_slug: string;
   group_id: string;
   id: number;
@@ -104,16 +118,20 @@ export interface ISbStoryData<
     id: number;
     userid: string;
   };
+  last_author_id?: number;
+  localized_paths?: LocalizedPath[] | null;
   meta_data: any;
   name: string;
   parent?: ISbStoryData;
-  parent_id: number;
+  parent_id: number | null;
   path?: string;
   pinned?: '1' | boolean;
   position: number;
+  preview_token?: PreviewToken;
   published?: boolean;
   published_at: string | null;
-  release_id?: number;
+  release_id?: number | null;
+  scheduled_date?: string | null;
   slug: string;
   sort_by_date: string | null;
   tag_list: string[];
@@ -121,7 +139,7 @@ export interface ISbStoryData<
     path: string;
     name: string | null;
     lang: ISbStoryData['lang'];
-  }[];
+  }[] | null;
   unpublished_changes?: boolean;
   updated_at?: string;
   uuid: string;