diff --git a/src/embed/base.spec.ts b/src/embed/base.spec.ts
index eb431cf5..da2b3508 100644
--- a/src/embed/base.spec.ts
+++ b/src/embed/base.spec.ts
@@ -506,4 +506,20 @@ describe('Init tests', () => {
         });
         expect(resetService.resetAllCachedServices).toBeCalled();
     });
+
+    test('returns empty object when not in browser environment', () => {
+        const originalWindow = global.window;
+        
+        // Delete window to simulate non-browser environment
+        delete global.window;
+        
+        const result = base.init({
+            thoughtSpotHost,
+            authType: index.AuthType.None,
+        });
+        
+        expect(result).toEqual({});
+        
+        global.window = originalWindow;
+    });
 });
diff --git a/src/embed/base.ts b/src/embed/base.ts
index be19d011..4a12eb54 100644
--- a/src/embed/base.ts
+++ b/src/embed/base.ts
@@ -33,7 +33,7 @@ import {
 import '../utils/with-resolvers-polyfill';
 import { uploadMixpanelEvent, MIXPANEL_EVENT } from '../mixpanel-service';
 import { getEmbedConfig, setEmbedConfig } from './embedConfig';
-import { getQueryParamString, getValueFromWindow, storeValueInWindow } from '../utils';
+import { getQueryParamString, getValueFromWindow, isBrowser, storeValueInWindow } from '../utils';
 import { resetAllCachedServices } from '../utils/resetServices';
 
 const CONFIG_DEFAULTS: Partial<EmbedConfig> = {
@@ -197,7 +197,9 @@ export const createAndSetInitPromise = (): void => {
     });
 };
 
-createAndSetInitPromise();
+if (isBrowser()) {
+    createAndSetInitPromise();
+}
 
 export const getInitPromise = ():
     Promise<
@@ -227,6 +229,10 @@ export const getIsInitCalled = (): boolean => !!getValueFromWindow(initFlagKey)?
  * @group Authentication / Init
  */
 export const init = (embedConfig: EmbedConfig): AuthEventEmitter => {
+    if (!isBrowser()) {
+        return {} as AuthEventEmitter;
+    }
+
     sanity(embedConfig);
     resetAllCachedServices();
     embedConfig = setEmbedConfig(
diff --git a/src/utils.spec.ts b/src/utils.spec.ts
index 0d9a0c6e..8223c824 100644
--- a/src/utils.spec.ts
+++ b/src/utils.spec.ts
@@ -13,6 +13,8 @@ import {
     isUndefined,
     storeValueInWindow,
     getValueFromWindow,
+    isBrowser,
+    resetValueFromWindow,
 } from './utils';
 import { RuntimeFilterOp } from './types';
 
@@ -292,5 +294,74 @@ describe('unit test for utils', () => {
         test('Return undefined if key is not found', () => {
             expect(getValueFromWindow('notFound')).toBe(undefined);
         });
+
+        test('storeValueInWindow returns value when not in browser environment', () => {
+            const originalWindow = global.window;
+            delete global.window;
+            
+            const testValue = 'test-non-browser';
+            const result = storeValueInWindow('testKey', testValue);
+            
+            expect(result).toBe(testValue);
+            
+            global.window = originalWindow;
+        });
+
+        test('getValueFromWindow returns undefined when not in browser environment', () => {
+            const originalWindow = global.window;
+            delete global.window;
+            
+            const result = getValueFromWindow('anyKey');
+            
+            expect(result).toBeUndefined();
+            
+            global.window = originalWindow;
+        });
+    });
+
+    describe('resetValueFromWindow', () => {
+        test('returns true when key exists and is reset', () => {
+            storeValueInWindow('testResetKey', 'value-to-reset');
+            
+            const result = resetValueFromWindow('testResetKey');
+            
+            expect(result).toBe(true);
+            expect(getValueFromWindow('testResetKey')).toBeUndefined();
+        });
+        
+        test('returns false when key does not exist', () => {
+            const result = resetValueFromWindow('nonExistentKey');
+            
+            expect(result).toBe(false);
+        });
+        
+        test('returns false when not in browser environment', () => {
+            const originalWindow = global.window;
+            delete global.window;
+            
+            const result = resetValueFromWindow('anyKey');
+            
+            expect(result).toBe(false);
+            
+            global.window = originalWindow;
+        });
+    });
+});
+
+describe('isBrowser', () => {
+    test('returns true when window is defined', () => {
+        // In Jest's JSDOM environment, window is defined
+        expect(isBrowser()).toBe(true);
+    });
+
+    test('returns false when window is undefined', () => {
+        const originalWindow = global.window;
+        
+        // Simulate non-browser environment by setting window to undefined
+        delete global.window;
+        
+        expect(isBrowser()).toBe(false);
+        
+        global.window = originalWindow;
     });
 });
diff --git a/src/utils.ts b/src/utils.ts
index 974d7eb7..578e45a2 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -354,6 +354,10 @@ export function storeValueInWindow<T>(
     value: T,
     options: { ignoreIfAlreadyExists?: boolean } = {},
 ): T {
+    if (!isBrowser()) {
+        return value;
+    }
+
     if (!window[sdkWindowKey]) {
         (window as any)[sdkWindowKey] = {};
     }
@@ -371,8 +375,12 @@ export function storeValueInWindow<T>(
  * @param key - The key whose value needs to be retrieved.
  * @returns The stored value or `undefined` if the key is not found.
  */
-export const getValueFromWindow = <T = any>
-    (key: string): T => (window as any)?.[sdkWindowKey]?.[key];
+export const getValueFromWindow = <T = any>(key: string): T | undefined => {
+    if (!isBrowser()) {
+        return undefined;
+    }
+    return (window as any)?.[sdkWindowKey]?.[key];
+};
 
 /**
  * Resets the key if it exists in the `window` object under the `_tsEmbedSDK` key.
@@ -381,9 +389,14 @@ export const getValueFromWindow = <T = any>
  * @returns - boolean indicating if the key was reset
  */
 export function resetValueFromWindow(key: string): boolean {
+    if (!isBrowser()) {
+        return false;
+    }
     if (key in window[sdkWindowKey]) {
         delete (window as any)[sdkWindowKey][key];
         return true;
     }
     return false;
 }
+
+export const isBrowser = () => typeof window !== 'undefined';
\ No newline at end of file