diff --git a/frontend/src/Deposit.jsx b/frontend/src/Deposit.jsx
index 500de27..3a84615 100644
--- a/frontend/src/Deposit.jsx
+++ b/frontend/src/Deposit.jsx
@@ -2,6 +2,7 @@ import Header from "./components/Header";
 import styles from "./Deposit.module.css";
 import axios from "axios";
 import { useEffect, useState } from "react";
+import api from "./api/api";
 
 const Deposit = () => {
   const [deposit, setDeposit] = useState(null);
@@ -12,10 +13,8 @@ const Deposit = () => {
 
     if (!userId) return;
 
-    axios
-      .get(`/api/deposit/${userId}`, {
-        withCredentials: true, // 세션 쿠키 포함
-      })
+    api
+      .get(`/deposit/${userId}`)
       .then((res) => setDeposit(res.data))
       .catch((err) => {
         alert("보증금 정보를 불러오지 못했습니다.");
diff --git a/frontend/src/api/api.js b/frontend/src/api/api.js
new file mode 100644
index 0000000..814c063
--- /dev/null
+++ b/frontend/src/api/api.js
@@ -0,0 +1,19 @@
+import axios from "axios";
+
+const api = axios.create({
+  baseURL: "/api",
+  withCredentials: true,
+});
+
+// 401 오류 시 로그인 페이지로 리다이렉트
+api.interceptors.response.use(
+  (response) => response,
+  (error) => {
+    if (error.response?.status === 401) {
+      window.location.href = "/login";
+    }
+    return Promise.reject(error);
+  }
+);
+
+export default api;
diff --git a/frontend/src/api/user.js b/frontend/src/api/user.js
index 3964bac..749dc0a 100644
--- a/frontend/src/api/user.js
+++ b/frontend/src/api/user.js
@@ -1,5 +1,5 @@
 export const loginUser = async ({ name, password }) => {
-  const res = await fetch("/api/login", {
+  const res = await fetch("http://www.pirocheck.org/login/login", {
     method: "POST",
     headers: {
       "Content-Type": "application/json",