diff --git a/server/constants/env.ts b/server/constants/env.ts
index 6449f18..63ff568 100644
--- a/server/constants/env.ts
+++ b/server/constants/env.ts
@@ -1,10 +1,14 @@
 import { z } from 'zod';
 
 export const clientEnvSchema = z.object({
-  API_URL: z.string(),
+  API_URL: z.string().regex(/^(.*[^/])$/g, {
+    message: 'API 주소는 슬래시(/)로 끝나지 않아야 합니다.',
+  }),
 });
 
 export const serverEnvSchema = z.object({
   AUTH_COOKIE_SESSION_SECRET: z.string(),
-  API_URL: z.string(),
+  API_URL: z.string().regex(/^(.*[^/])$/g, {
+    message: 'API 주소는 슬래시(/)로 끝나지 않아야 합니다.',
+  }),
 });