diff --git a/src/main/java/com/eactive/apim/portal/apps/app/controller/MyAppController.java b/src/main/java/com/eactive/apim/portal/apps/app/controller/MyAppController.java
index 0a013d8..c5c6a3c 100644
--- a/src/main/java/com/eactive/apim/portal/apps/app/controller/MyAppController.java
+++ b/src/main/java/com/eactive/apim/portal/apps/app/controller/MyAppController.java
@@ -645,14 +645,8 @@ public class MyAppController {
             return new ModelAndView("redirect:/myapikey/register/step1");
         }
 
-        // API 선택 검증
-        if (selectedApis == null || selectedApis.isEmpty()) {
-            redirectAttributes.addFlashAttribute("error", "최소 1개 이상의 API를 선택해주세요.");
-            return new ModelAndView("redirect:/myapikey/register/step2");
-        }
-
-        // 선택된 API를 세션에 저장
-        registration.setSelectedApis(selectedApis);
+        // API 선택은 선택 사항 — 미선택(빈 목록)도 허용한다.
+        registration.setSelectedApis(selectedApis != null ? selectedApis : new ArrayList<>());
 
         // 등록이 완료되었는지 최종 검증
         if (!registration.isComplete()) {
diff --git a/src/main/java/com/eactive/apim/portal/apps/app/dto/ApiKeyRegistrationDTO.java b/src/main/java/com/eactive/apim/portal/apps/app/dto/ApiKeyRegistrationDTO.java
index 2672c3a..41325a5 100644
--- a/src/main/java/com/eactive/apim/portal/apps/app/dto/ApiKeyRegistrationDTO.java
+++ b/src/main/java/com/eactive/apim/portal/apps/app/dto/ApiKeyRegistrationDTO.java
@@ -99,6 +99,7 @@ public class ApiKeyRegistrationDTO implements Serializable {
     }
 
     public boolean isComplete() {
-        return isStep1Complete() && isStep2Complete();
+        // API 선택은 선택 사항이므로 기본 정보(Step1)만 완료되면 등록 가능하다.
+        return isStep1Complete();
     }
 }
diff --git a/src/main/java/com/eactive/apim/portal/apps/app/dto/AppRequestDTO.java b/src/main/java/com/eactive/apim/portal/apps/app/dto/AppRequestDTO.java
index 2889f4c..adec83c 100644
--- a/src/main/java/com/eactive/apim/portal/apps/app/dto/AppRequestDTO.java
+++ b/src/main/java/com/eactive/apim/portal/apps/app/dto/AppRequestDTO.java
@@ -9,7 +9,6 @@ import com.eactive.apim.portal.apps.user.dto.PortalOrgDTO;
 import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
-import javax.validation.constraints.NotEmpty;
 import lombok.Data;
 
 @Data
@@ -25,8 +24,7 @@ public class AppRequestDTO {
 
     private ApprovalDTO approval;
 
-    @NotEmpty
-    private String apiList = ""; //comma separated api id list
+    private String apiList = ""; //comma separated api id list (미선택 허용)
 
     private String apiGroupList = ""; //comma separated api group id list
 
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 76c9d79..c926b0e 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -361,7 +361,7 @@ page:
             name: "이용자 정보"
             path: "/users/detail"
           apikey:
-            name: "인증키 관리"
+            name: "앱 관리"
             path: "/myapikey"
           app_request_detail:
             name: "인증키 신청 상세"
diff --git a/src/main/resources/static/js/api-selector.js b/src/main/resources/static/js/api-selector.js
index 5e12991..aff6473 100644
--- a/src/main/resources/static/js/api-selector.js
+++ b/src/main/resources/static/js/api-selector.js
@@ -447,18 +447,42 @@ document.addEventListener('DOMContentLoaded', function() {
     });
   }
 
-  // Form validation
+  // Form submit
+  // - Webhook/앱 변경은 API 가 필수(form data-api-required=true)이므로 미선택 시 차단한다.
+  // - 앱 신청(myapikey register)은 선택 사항이라, 미선택 시 확인 팝업으로 한 번 더 묻고 진행한다.
   form.addEventListener('submit', function(e) {
-    if (selectedApis.size === 0) {
+    if (selectedApis.size !== 0) {
+      syncHiddenSelected();
+      return;
+    }
+
+    var apiRequired = form.dataset.apiRequired === 'true';
+    if (apiRequired) {
       e.preventDefault();
-      if (window.customPopups && customPopups.showAlert) {
+      if (typeof customPopups !== 'undefined' && customPopups.showAlert) {
         customPopups.showAlert('최소 1개 이상의 API를 선택해주세요.');
       } else {
         alert('최소 1개 이상의 API를 선택해주세요.');
       }
       return false;
     }
-    syncHiddenSelected();
+
+    // 미선택 상태로 앱 신청 → 확인 후 진행
+    e.preventDefault();
+    var message = '선택한 API가 없습니다. API 없이 앱을 신청하시겠습니까?';
+    // custom-popups.js 는 top-level const 라 window.customPopups 가 아닌 렉시컬 전역이다.
+    if (typeof customPopups !== 'undefined' && customPopups.showConfirm) {
+      customPopups.showConfirm(message, function (ok) {
+        if (ok) {
+          syncHiddenSelected();
+          form.submit(); // submit() 은 submit 이벤트를 재발생시키지 않음 → 재확인 루프 없음
+        }
+      });
+    } else if (window.confirm(message)) {
+      syncHiddenSelected();
+      form.submit();
+    }
+    return false;
   });
 
   // Initialize
diff --git a/src/main/resources/templates/views/fragment/api_selector.html b/src/main/resources/templates/views/fragment/api_selector.html
index 984685e..a282248 100644
--- a/src/main/resources/templates/views/fragment/api_selector.html
+++ b/src/main/resources/templates/views/fragment/api_selector.html
@@ -56,7 +56,7 @@
   <div class="s2-selection-container">
     <main class="s2-content-area">
       <form id="apiSelectorForm" method="post" th:action="@{${formAction}}" class="s2-form"
-            th:attr="data-save-action=@{${saveAction}}">
+            th:attr="data-save-action=@{${saveAction}}, data-api-required=${!#strings.contains(formAction, '/myapikey/register')}">
 
         <!-- Header filter: Search and Select All -->
         <div class="s2-filter-header">
diff --git a/src/main/resources/templates/views/fragment/djbank/header_container.html b/src/main/resources/templates/views/fragment/djbank/header_container.html
index 250fa17..1b6d055 100644
--- a/src/main/resources/templates/views/fragment/djbank/header_container.html
+++ b/src/main/resources/templates/views/fragment/djbank/header_container.html
@@ -92,7 +92,7 @@
                         <a th:href="@{/users}"><i class="fas fa-users"></i>이용자 관리</a>
                       </li>
                       <li sec:authorize="hasRole('ROLE_APP')">
-                        <a th:href="@{/myapikey}"><i class="fas fa-key"></i>인증 키 관리</a>
+                        <a th:href="@{/myapikey}"><i class="fas fa-key"></i>앱 관리</a>
                         <a th:href="@{/webhook}" sec:authorize="hasRole('ROLE_API_KEY_REQUEST')"><i class="fas fa-bell"></i>Webhook 관리</a>
                         <a th:href="@{/statistics/api}"><i class="fas fa-chart-bar"></i>이용 통계</a>
                       </li>
@@ -249,7 +249,7 @@
             </button>
             <ul class="drawer-submenu">
               <li sec:authorize="hasRole('ROLE_USER_MANAGER')"><a th:href="@{/users}">이용자 관리</a></li>
-              <li sec:authorize="hasRole('ROLE_APP')"><a th:href="@{/myapikey}">인증 키 관리</a></li>
+              <li sec:authorize="hasRole('ROLE_APP')"><a th:href="@{/myapikey}">앱 관리</a></li>
               <li sec:authorize="hasRole('ROLE_API_KEY_REQUEST')"><a th:href="@{/webhook}">Webhook 관리</a></li>
               <li sec:authorize="hasRole('ROLE_APP')"><a th:href="@{/statistics/api}">이용 통계</a></li>
               <li><a th:href="@{/mypage}">내 정보 관리</a></li>
diff --git a/src/main/resources/templates/views/fragment/djbank/service_sidebar.html b/src/main/resources/templates/views/fragment/djbank/service_sidebar.html
index 8bec86e..3314784 100644
--- a/src/main/resources/templates/views/fragment/djbank/service_sidebar.html
+++ b/src/main/resources/templates/views/fragment/djbank/service_sidebar.html
@@ -57,7 +57,7 @@
                    
                 <a th:href="@{/myapikey}" 
                    th:classappend="${activeMenu == 'apiKey'} ? 'service-nav__item--active' : ''" 
-                   class="service-nav__item">인증 키 관리</a>
+                   class="service-nav__item">앱 관리</a>
                    
                 <a th:href="@{/webhook}"
                    th:classappend="${activeMenu == 'webhook'} ? 'service-nav__item--active' : ''"