diff --git a/src/domain-register.ts b/src/domain-register.ts
index 36d4504..3c777ec 100644
--- a/src/domain-register.ts
+++ b/src/domain-register.ts
@@ -45,7 +45,7 @@ export async function executeDomainRegister(
   price: number
 ): Promise<RegisterResult> {
   const apiKey = env.NAMECHEAP_API_KEY;
-  const apiUrl = env.NAMECHEAP_API_URL || 'https://namecheap-api.anvil.it.com';
+  const apiUrl = env.NAMECHEAP_API_URL || 'https://namecheap.api.inouter.com';
 
   if (!apiKey) {
     return { success: false, error: 'API 키가 설정되지 않았습니다.' };