diff --git a/apps/extension/src/apis/axios.ts b/apps/extension/src/apis/axios.ts
index 296db93e..bb06a3ca 100644
--- a/apps/extension/src/apis/axios.ts
+++ b/apps/extension/src/apis/axios.ts
@@ -7,7 +7,18 @@ export interface PostArticleRequest {
 }
 
 export const postArticle = async (data: PostArticleRequest) => {
-  const response = await apiRequest.post('/api/v1/articles', data);
+  const response = await apiRequest.post('/api/v3/articles', data);
+  return response.data;
+};
+
+export interface postSignupRequest {
+  email: string;
+  remindDefault: string;
+  fcmToken: string;
+}
+
+export const postSignup = async (data: postSignupRequest) => {
+  const response = await apiRequest.post('/api/v1/auth/signup', data);
   return response.data;
 };
 
diff --git a/apps/extension/src/pages/MainPop.tsx b/apps/extension/src/pages/MainPop.tsx
index 7571f316..1d98f175 100644
--- a/apps/extension/src/pages/MainPop.tsx
+++ b/apps/extension/src/pages/MainPop.tsx
@@ -1,34 +1,34 @@
 import {
-  InfoBox,
+  useGetCategoriesExtension,
+  useGetRemindTime,
+  usePostArticle,
+  usePutArticle,
+} from '@apis/query/queries';
+import thumbImg from '@assets/extension_thumb.svg';
+import { useCategoryManager } from '@hooks/useCategoryManager';
+import { usePageMeta } from '@hooks/usePageMeta';
+import { useSaveBookmark } from '@hooks/useSaveBookmarks';
+import {
+  AutoDismissToast,
   Button,
-  Textarea,
   DateTime,
-  Switch,
-  PopupContainer,
   Dropdown,
+  InfoBox,
+  PopupContainer,
+  Switch,
+  Textarea,
+  Toast,
   validateDate,
   validateTime,
-  Toast,
-  AutoDismissToast,
 } from '@pinback/design-system/ui';
-import { useState, useEffect } from 'react';
-import { usePageMeta } from '@hooks/usePageMeta';
-import { useSaveBookmark } from '@hooks/useSaveBookmarks';
-import Header from '@shared/components/Header';
-import {
-  usePostArticle,
-  useGetCategoriesExtension,
-  useGetRemindTime,
-  usePutArticle,
-} from '@apis/query/queries';
 import { ArticleResponse } from '@shared-types/types';
+import Header from '@shared/components/Header';
 import {
+  combineDateTime,
   updateDate,
   updateTime,
-  combineDateTime,
 } from '@utils/remindTimeFormat';
-import { useCategoryManager } from '@hooks/useCategoryManager';
-import thumbImg from '@assets/extension_thumb.svg';
+import { useEffect, useState } from 'react';
 interface MainPopProps {
   type: 'add' | 'edit';
   savedData?: ArticleResponse | null;
@@ -317,7 +317,7 @@ const MainPop = ({ type, savedData }: MainPopProps) => {
             <p className="caption1-sb mb-[0.4rem]">메모</p>
             <Textarea
               maxLength={500}
-              placeholder="나중에 내가 꺼내줄 수 있게 살짝 적어줘!"
+              placeholder="나중에 기억하기 쉽게 메모를 남겨주세요!"
               value={memo}
               onChange={(e) => setMemo(e.target.value)}
             />