diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6b6302d..9c35fae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # CHANGELOG
 
+## v3.1.0
+
+### Enhancements
+- Update SLAS helpers to support DNT parameter [#167](https://github.com/SalesforceCommerceCloud/commerce-sdk-isomorphic/pull/167)
+
 ## v3.0.0
 
 ### :warning: Planned API Changes :warning: 
diff --git a/src/static/helpers/slasHelper.test.ts b/src/static/helpers/slasHelper.test.ts
index 2a8c760..cb3a4d9 100644
--- a/src/static/helpers/slasHelper.test.ts
+++ b/src/static/helpers/slasHelper.test.ts
@@ -1,7 +1,7 @@
 /**
  * @jest-environment node
  */
-/* eslint header/header: "off" */
+/* eslint header/header: "off", max-lines:"off" */
 /*
  * Copyright (c) 2022, salesforce.com, inc.
  * All rights reserved.
@@ -47,6 +47,7 @@ const parameters = {
   refreshToken: 'refresh_token',
   usid: 'usid',
   hint: 'hint',
+  dnt: true,
 };
 
 const url =
@@ -55,9 +56,7 @@ const url =
 const authenticateCustomerMock = jest.fn(() => ({url}));
 
 const getAccessTokenMock = jest.fn(() => expectedTokenResponse);
-
 const logoutCustomerMock = jest.fn(() => expectedTokenResponse);
-
 const generateCodeChallengeMock = jest.fn(() => 'code_challenge');
 
 const createMockSlasClient = () =>
@@ -220,6 +219,7 @@ describe('Guest user flow', () => {
         grant_type: 'authorization_code_pkce',
         redirect_uri: 'redirect_uri',
         usid: '048adcfb-aa93-4978-be9e-09cb569fdcb9',
+        dnt: 'true',
       },
     };
     const mockSlasClient = createMockSlasClient();
@@ -257,6 +257,7 @@ describe('Guest user flow', () => {
         grant_type: 'client_credentials',
         channel_id: 'site_id',
         usid: 'usid',
+        dnt: 'true',
       },
     };
     expect(getAccessTokenMock).toBeCalledWith(expectedReqOptions);
@@ -300,6 +301,7 @@ describe('Registered B2C user flow', () => {
       organizationId: 'organization_id',
       redirect_uri: 'redirect_uri',
       usid: '048adcfb-aa93-4978-be9e-09cb569fdcb9',
+      dnt: 'true',
     },
   };
 
@@ -338,6 +340,7 @@ describe('Registered B2C user flow', () => {
         channel_id: 'site_id',
         organizationId: 'organization_id',
         usid: '048adcfb-aa93-4978-be9e-09cb569fdcb9',
+        dnt: 'true',
       },
     };
     // slasClient is copied and tries to make an actual API call
diff --git a/src/static/helpers/slasHelper.ts b/src/static/helpers/slasHelper.ts
index ff80676..d2b9e3f 100644
--- a/src/static/helpers/slasHelper.ts
+++ b/src/static/helpers/slasHelper.ts
@@ -166,6 +166,7 @@ export async function authorize(
  * @param credentials.clientSecret - secret associated with client ID
  * @param parameters - parameters to pass in the API calls.
  * @param parameters.usid? - Unique Shopper Identifier to enable personalization.
+ * @param parameters.dnt? - Optional parameter to enable Do Not Track (DNT) for the user.
  * @returns TokenResponse
  */
 export async function loginGuestUserPrivate(
@@ -177,6 +178,7 @@ export async function loginGuestUserPrivate(
   }>,
   parameters: {
     usid?: string;
+    dnt?: boolean;
   },
   credentials: {
     clientSecret: string;
@@ -200,6 +202,7 @@ export async function loginGuestUserPrivate(
       grant_type: 'client_credentials',
       channel_id: slasClient.clientConfig.parameters.siteId,
       ...(parameters.usid && {usid: parameters.usid}),
+      ...(parameters.dnt && {dnt: parameters.dnt.toString()}),
     },
   };
 
@@ -212,6 +215,7 @@ export async function loginGuestUserPrivate(
  * @param parameters - parameters to pass in the API calls.
  * @param parameters.redirectURI - Per OAuth standard, a valid app route. Must be listed in your SLAS configuration. On server, this will not be actually called. On browser, this will be called, but ignored.
  * @param parameters.usid? - Unique Shopper Identifier to enable personalization.
+ * @param parameters.dnt? - Optional parameter to enable Do Not Track (DNT) for the user.
  * @returns TokenResponse
  */
 export async function loginGuestUser(
@@ -224,6 +228,7 @@ export async function loginGuestUser(
   parameters: {
     redirectURI: string;
     usid?: string;
+    dnt?: boolean;
   }
 ): Promise<TokenResponse> {
   const codeVerifier = createCodeVerifier();
@@ -242,6 +247,7 @@ export async function loginGuestUser(
     grant_type: 'authorization_code_pkce',
     redirect_uri: parameters.redirectURI,
     usid: authResponse.usid,
+    ...(parameters.dnt && {dnt: parameters.dnt.toString()}),
   };
 
   return slasClient.getAccessToken({body: tokenBody});
@@ -258,6 +264,7 @@ export async function loginGuestUser(
  * @param parameters - parameters to pass in the API calls.
  * @param parameters.redirectURI - Per OAuth standard, a valid app route. Must be listed in your SLAS configuration. On server, this will not be actually called. On browser, this will be called, but ignored.
  * @param parameters.usid? - Unique Shopper Identifier to enable personalization.
+ * @param parameters.dnt? - Optional parameter to enable Do Not Track (DNT) for the user.
  * @returns TokenResponse
  */
 export async function loginRegisteredUserB2C(
@@ -275,6 +282,7 @@ export async function loginRegisteredUserB2C(
   parameters: {
     redirectURI: string;
     usid?: string;
+    dnt?: boolean;
   }
 ): Promise<TokenResponse> {
   const codeVerifier = createCodeVerifier();
@@ -331,6 +339,7 @@ export async function loginRegisteredUserB2C(
     organizationId: slasClient.clientConfig.parameters.organizationId,
     redirect_uri: parameters.redirectURI,
     usid: authResponse.usid,
+    ...(parameters.dnt && {dnt: parameters.dnt.toString()}),
   };
   // using slas private client
   if (credentials.clientSecret) {