diff --git a/src/api/letter/letter.tsx b/src/api/letter/letter.tsx
index 1942a5e6..1162cfdf 100644
--- a/src/api/letter/letter.tsx
+++ b/src/api/letter/letter.tsx
@@ -1,3 +1,4 @@
+import { getAccessToken } from "@/utils/storage";
 import client, { authClient } from "../client";
 
 // 편지 조회
@@ -42,9 +43,12 @@ export const uploadImage = async ({ imageUrl }: { imageUrl: string }) => {
 };
 
 // 편지 열람 가능 검증
-export const verifyLetter = async (letterCode: string) => {
+export const verifyLetter = async (letterCode: string, accessToken: string) => {
   return await client.put(`/api/v1/letters/verify`, {
     letterCode: letterCode,
+    headers: {
+      Authorization: `Bearer ${accessToken}`,
+    },
   });
 };
 
diff --git a/src/app/verify/letter/page.tsx b/src/app/verify/letter/page.tsx
index b6e87a47..b60db9d5 100644
--- a/src/app/verify/letter/page.tsx
+++ b/src/app/verify/letter/page.tsx
@@ -80,7 +80,7 @@ const VerifyLetter = () => {
 
         // letterCode가 있을 경우 추가 검증 진행
         if (url) {
-          verifyLetter(url)
+          verifyLetter(url, accessToken)
             .then((res) => {
               if (res.data.letterId) {
                 setletterId(res.data.letterId);