diff --git a/packages/amazon-cognito-identity-js/index.d.ts b/packages/amazon-cognito-identity-js/index.d.ts
index 62ab9a1ad8f..a82000c35c3 100644
--- a/packages/amazon-cognito-identity-js/index.d.ts
+++ b/packages/amazon-cognito-identity-js/index.d.ts
@@ -100,7 +100,7 @@ declare module 'amazon-cognito-identity-js' {
 			clientMetaData?: ClientMetadata
 		): void;
 		public resendConfirmationCode(
-			callback: NodeCallback<Error, 'SUCCESS'>,
+			callback: NodeCallback<Error, any>,
 			clientMetaData?: ClientMetadata
 		): void;
 		public changePassword(
diff --git a/packages/auth/__tests__/auth-unit-test.ts b/packages/auth/__tests__/auth-unit-test.ts
index 05ac58c210f..14984a249a7 100644
--- a/packages/auth/__tests__/auth-unit-test.ts
+++ b/packages/auth/__tests__/auth-unit-test.ts
@@ -139,7 +139,13 @@ jest.mock('amazon-cognito-identity-js/lib/CognitoUser', () => {
 	};
 
 	CognitoUser.prototype.resendConfirmationCode = callback => {
-		callback(null, 'result');
+		callback(null, {
+			CodeDeliveryDetails: {
+				AttributeName: 'email',
+				DeliveryMedium: 'EMAIL',
+				Destination: 'amplify@*****.com',
+			},
+		});
 	};
 
 	CognitoUser.prototype.changePassword = (
@@ -611,7 +617,13 @@ describe('auth unit test', () => {
 			const auth = new Auth(authOptions);
 
 			expect.assertions(1);
-			expect(await auth.resendSignUp('username')).toBe('result');
+			expect(await auth.resendSignUp('username')).toMatchObject({
+				CodeDeliveryDetails: {
+					AttributeName: 'email',
+					DeliveryMedium: 'EMAIL',
+					Destination: 'amplify@*****.com',
+				},
+			});
 
 			spyon.mockClear();
 		});
diff --git a/packages/auth/src/Auth.ts b/packages/auth/src/Auth.ts
index 1b18173fc2c..d518e35562f 100644
--- a/packages/auth/src/Auth.ts
+++ b/packages/auth/src/Auth.ts
@@ -379,12 +379,12 @@ export class AuthClass {
 	 * Resend the verification code
 	 * @param {String} username - The username to be confirmed
 	 * @param {ClientMetadata} clientMetadata - Metadata to be passed to Cognito Lambda triggers
-	 * @return - A promise resolves data if success
+	 * @return - A promise resolves code delivery details if successful
 	 */
 	public resendSignUp(
 		username: string,
 		clientMetadata: ClientMetaData = this._config.clientMetadata
-	): Promise<string> {
+	): Promise<any> {
 		if (!this.userPool) {
 			return this.rejectNoUserPool();
 		}