diff --git a/app/Http/Controllers/Api/V1/PermissionController.php b/app/Http/Controllers/Api/V1/PermissionController.php
new file mode 100644
index 0000000..961c309
--- /dev/null
+++ b/app/Http/Controllers/Api/V1/PermissionController.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1;
+
+use App\Helpers\ApiResponse;
+use App\Http\Controllers\Controller;
+use App\Services\PermissionService;
+use Illuminate\Http\Request;
+
+class PermissionController extends Controller
+{
+    public function __construct(private PermissionService $service) {}
+
+    public function deptMenuMatrix(int $id, Request $request)
+    {
+        return ApiResponse::handle(function () use ($id, $request) {
+            return $this->service->getMenuMatrix($id, 'department', $request->all());
+        }, '부서 메뉴 권한 매트릭스 조회');
+    }
+
+    public function roleMenuMatrix(int $id, Request $request)
+    {
+        return ApiResponse::handle(function () use ($id, $request) {
+            return $this->service->getMenuMatrix($id, 'role', $request->all());
+        }, '역할 메뉴 권한 매트릭스 조회');
+    }
+
+    public function userMenuMatrix(int $id, Request $request)
+    {
+        return ApiResponse::handle(function () use ($id, $request) {
+            return $this->service->getMenuMatrix($id, 'user', $request->all());
+        }, '유저 메뉴 권한 매트릭스 조회');
+    }
+}
diff --git a/app/Services/PermissionService.php b/app/Services/PermissionService.php
new file mode 100644
index 0000000..94371f4
--- /dev/null
+++ b/app/Services/PermissionService.php
@@ -0,0 +1,141 @@
+<?php
+
+namespace App\Services;
+
+use Illuminate\Support\Facades\DB;
+use Spatie\Permission\Models\Role as SpatieRole;
+use App\Models\Members\User;
+use App\Models\Tenants\Department;
+
+class PermissionService extends Service
+{
+    /**
+     * 메뉴 권한 매트릭스 조회
+     * $scope: 'department' | 'role' | 'user'
+     */
+    public function getMenuMatrix(int $id, string $scope, array $params = []): array
+    {
+        // 0) 강제 테넌트 (없으면 400)
+        $tenantId = $this->tenantId();
+
+        // 1) 대상 유효성 & model_type 결정
+        $modelType = $this->resolveModelType($id, $scope);
+        if (!$modelType) {
+            return ['success'=>false,'message'=>'대상 리소스를 찾을 수 없습니다.','data'=>null];
+        }
+
+        // 2) 메뉴 목록
+        $menus = DB::table('menus')
+            ->select('id','parent_id','name','url','sort_order')
+            ->orderBy('sort_order')->orderBy('id')
+            ->get();
+
+        // 3) 권한 정의 (permissions.name = "menu:{menuId}.{action}")
+        $perms = DB::table('permissions')
+            ->select('id','name','guard_name')
+            ->where('guard_name', 'api')
+            ->where('name','like','menu:%')
+            ->get();
+
+        $permMap = []; // [menuId][action] => ['id','guard','code']
+        foreach ($perms as $p) {
+            if (preg_match('/^menu:(\d+)\.([a-z_]+)$/', $p->name, $m)) {
+                $permMap[(int)$m[1]][$m[2]] = [
+                    'id'   => (int)$p->id,
+                    'guard'=> $p->guard_name,
+                    'code' => $p->name,
+                ];
+            }
+        }
+
+        // 4) 대상의 허용/차단 집합
+        $allows = DB::table('model_has_permissions')
+            ->where('tenant_id', $tenantId)               // ★ 강제
+            ->where('model_type', $modelType)
+            ->where('model_id', $id)
+            ->pluck('permission_id')->all();
+        $allowSet = array_fill_keys($allows, true);
+
+        $denies = DB::table('permission_overrides')
+            ->where('tenant_id', $tenantId)               // ★ 강제
+            ->where('model_type', $modelType)
+            ->where('model_id', $id)
+            ->where('effect', -1)
+            ->pluck('permission_id')->all();
+        $denySet = array_fill_keys($denies, true);
+
+        // 5) 트리 + 액션 상태 구성
+        $actions = ['view','create','update','delete','approve'];
+        $byId = [];
+        foreach ($menus as $m) {
+            $node = [
+                'menu_id'   => (int)$m->id,
+                'parent_id' => $m->parent_id ? (int)$m->parent_id : null,
+                'name'      => $m->name,
+                'url'      => $m->url,
+                'type'      => 'system',
+                'children'  => [],
+                'actions'   => [],
+            ];
+            foreach ($actions as $a) {
+                $perm = $permMap[$m->id][$a] ?? null;
+                if ($perm) {
+                    $pid   = $perm['id'];
+                    $state = isset($denySet[$pid]) ? 'deny'
+                        : (isset($allowSet[$pid]) ? 'allow' : 'none');
+                    $node['actions'][$a] = [
+                        'permission_id'   => $pid,
+                        'permission_code' => $perm['code'],
+                        'guard_name'      => $perm['guard'],
+                        'state'           => $state,
+                        'is_allowed'      => $state === 'allow' ? 1 : 0,
+                    ];
+                } else {
+                    $node['actions'][$a] = null;
+                }
+            }
+            $byId[$m->id] = $node;
+        }
+
+        // 트리 결합
+        $roots = [];
+        foreach ($byId as $key => &$node) {
+            if ($node['parent_id'] && isset($byId[$node['parent_id']])) {
+                $byId[$node['parent_id']]['children'][] = &$node;
+            } else {
+                $roots[] = &$node;
+            }
+        }
+        unset($node);
+
+        return [
+            'success' => true,
+            'message' => $this->titleByScope($scope) . ' 성공',
+            'data'    => [
+                'actions' => $actions,
+                'tree'    => $roots,
+            ],
+        ];
+    }
+
+    /** 스코프별 대상 존재 확인 후 model_type(FQCN)만 반환 */
+    private function resolveModelType(int $id, string $scope): ?string
+    {
+        return match ($scope) {
+            'department' => Department::query()->find($id) ? Department::class : null,
+            'role'       => SpatieRole::query()->find($id) ? SpatieRole::class : null,
+            'user'       => User::query()->find($id) ? User::class : null,
+            default      => null,
+        };
+    }
+
+    private function titleByScope(string $scope): string
+    {
+        return match ($scope) {
+            'department' => '부서 메뉴 권한 매트릭스 조회',
+            'role'       => '역할 메뉴 권한 매트릭스 조회',
+            'user'       => '유저 메뉴 권한 매트릭스 조회',
+            default      => '메뉴 권한 매트릭스 조회',
+        };
+    }
+}
diff --git a/app/Swagger/v1/PermissionApi.php b/app/Swagger/v1/PermissionApi.php
new file mode 100644
index 0000000..671126c
--- /dev/null
+++ b/app/Swagger/v1/PermissionApi.php
@@ -0,0 +1,171 @@
+<?php
+
+namespace App\Swagger\v1;
+
+/**
+ * @OA\Tag(
+ *   name="Permission",
+ *   description="부서/역할/사용자 단위의 메뉴 권한 매트릭스 조회 API"
+ * )
+ */
+
+/**
+ * =========================
+ *  공통 응답 스키마
+ * =========================
+ */
+
+/**
+ * @OA\Schema(
+ *   schema="ApiResponse",
+ *   type="object",
+ *   required={"success","message"},
+ *   @OA\Property(property="success", type="boolean", example=true),
+ *   @OA\Property(property="message", type="string", example="부서 메뉴 권한 매트릭스 조회 성공"),
+ *   @OA\Property(property="data", nullable=true)
+ * )
+ *
+ * @OA\Schema(
+ *   schema="ErrorResponse",
+ *   type="object",
+ *   required={"success","message"},
+ *   @OA\Property(property="success", type="boolean", example=false),
+ *   @OA\Property(property="message", type="string", example="부서 메뉴 권한 매트릭스 조회 실패"),
+ *   @OA\Property(property="data", type="null", example=null)
+ * )
+ */
+
+/**
+ * =========================
+ *  메뉴 매트릭스 스키마
+ * =========================
+ */
+
+/**
+ * @OA\Schema(
+ *   schema="MenuMatrixAction",
+ *   type="object",
+ *   @OA\Property(property="permission_id", type="integer", example=1),
+ *   @OA\Property(property="permission_code", type="string", example="menu:16.view"),
+ *   @OA\Property(property="guard_name", type="string", example="api"),
+ *   @OA\Property(property="state", type="string", enum={"allow","deny","none"}, example="allow"),
+ *   @OA\Property(property="is_allowed", type="integer", enum={0,1}, example=1)
+ * )
+ *
+ * @OA\Schema(
+ *   schema="MenuMatrixNode",
+ *   type="object",
+ *   @OA\Property(property="menu_id", type="integer", example=16),
+ *   @OA\Property(property="parent_id", type="integer", nullable=true, example=10),
+ *   @OA\Property(property="name", type="string", example="스크린 작업"),
+ *   @OA\Property(property="path", type="string", example="/tenant/production/screen_work.php"),
+ *   @OA\Property(property="type", type="string", example="workflow"),
+ *   @OA\Property(
+ *     property="actions",
+ *     type="object",
+ *     @OA\Property(property="view", ref="#/components/schemas/MenuMatrixAction"),
+ *     @OA\Property(property="create", ref="#/components/schemas/MenuMatrixAction"),
+ *     @OA\Property(property="update", ref="#/components/schemas/MenuMatrixAction"),
+ *     @OA\Property(property="delete", ref="#/components/schemas/MenuMatrixAction"),
+ *     @OA\Property(property="approve", ref="#/components/schemas/MenuMatrixAction")
+ *   ),
+ *   @OA\Property(
+ *     property="children",
+ *     type="array",
+ *     @OA\Items(ref="#/components/schemas/MenuMatrixNode")
+ *   )
+ * )
+ *
+ * @OA\Schema(
+ *   schema="MenuMatrixPayload",
+ *   type="object",
+ *   @OA\Property(
+ *     property="actions",
+ *     type="array",
+ *     @OA\Items(type="string", example="view")
+ *   ),
+ *   @OA\Property(
+ *     property="tree",
+ *     type="array",
+ *     @OA\Items(ref="#/components/schemas/MenuMatrixNode")
+ *   )
+ * )
+ */
+
+class PermissionApi
+{
+    /**
+     * @OA\Get(
+     *   path="/api/v1/permissions/departments/{id}/menu-matrix",
+     *   summary="부서 메뉴 권한 매트릭스",
+     *   description="부서 기준으로 메뉴 트리 및 액션별 권한 상태(allow/deny/none)를 반환합니다.",
+     *   tags={"Permission"},
+     *   security={{"ApiKeyAuth": {}},{"BearerAuth": {}}},
+     *   @OA\Parameter(name="id", in="path", required=true, description="부서 ID", @OA\Schema(type="integer", example=1)),
+     *   @OA\Response(
+     *     response=200,
+     *     description="부서 메뉴 권한 매트릭스 조회 성공",
+     *     @OA\JsonContent(
+     *       allOf={
+     *         @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *         @OA\Schema(
+     *           @OA\Property(property="data", ref="#/components/schemas/MenuMatrixPayload")
+     *         )
+     *       }
+     *     )
+     *   ),
+     *   @OA\Response(response=404, description="부서 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function deptMenuMatrix() {}
+
+    /**
+     * @OA\Get(
+     *   path="/api/v1/permissions/roles/{id}/menu-matrix",
+     *   summary="역할 메뉴 권한 매트릭스",
+     *   description="스파티 기본 Role 기준으로 메뉴 트리 및 액션별 권한 상태(allow/deny/none)를 반환합니다.",
+     *   tags={"Permission"},
+     *   security={{"ApiKeyAuth": {}},{"BearerAuth": {}}},
+     *   @OA\Parameter(name="id", in="path", required=true, description="역할 ID", @OA\Schema(type="integer", example=3)),
+     *   @OA\Response(
+     *     response=200,
+     *     description="역할 메뉴 권한 매트릭스 조회 성공",
+     *     @OA\JsonContent(
+     *       allOf={
+     *         @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *         @OA\Schema(
+     *           @OA\Property(property="data", ref="#/components/schemas/MenuMatrixPayload")
+     *         )
+     *       }
+     *     )
+     *   ),
+     *   @OA\Response(response=404, description="역할 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function roleMenuMatrix() {}
+
+    /**
+     * @OA\Get(
+     *   path="/api/v1/permissions/users/{id}/menu-matrix",
+     *   summary="사용자 메뉴 권한 매트릭스",
+     *   description="사용자 기준으로 메뉴 트리 및 액션별 권한 상태(allow/deny/none)를 반환합니다.",
+     *   tags={"Permission"},
+     *   security={{"ApiKeyAuth": {}},{"BearerAuth": {}}},
+     *   @OA\Parameter(name="id", in="path", required=true, description="사용자 ID", @OA\Schema(type="integer", example=12)),
+     *   @OA\Response(
+     *     response=200,
+     *     description="유저 메뉴 권한 매트릭스 조회 성공",
+     *     @OA\JsonContent(
+     *       allOf={
+     *         @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *         @OA\Schema(
+     *           @OA\Property(property="data", ref="#/components/schemas/MenuMatrixPayload")
+     *         )
+     *       }
+     *     )
+     *   ),
+     *   @OA\Response(response=404, description="사용자 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function userMenuMatrix() {}
+}
diff --git a/public/api-docs/index.html b/public/api-docs/index.html
index 6d88ccf..e819a6b 100644
--- a/public/api-docs/index.html
+++ b/public/api-docs/index.html
@@ -33,7 +33,7 @@
     style="width:100vw; height:100vh;"
 ></rapi-doc>
 
-<script type="module">
+<!--<script type="module">
     const doc = document.getElementById('doc');
 
     // 스펙이 로드되어 컴포넌트 내부가 그려진 뒤 실행
@@ -71,6 +71,6 @@
         // 느린 렌더 케이스 대비, 살짝 늦게 한 번 더
         setTimeout(collapseAll, 200);
     });
-</script>
+</script>-->
 </body>
 </html>
diff --git a/routes/api.php b/routes/api.php
index 1210800..8f05593 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -17,6 +17,7 @@
 use App\Http\Controllers\Api\V1\RolePermissionController;
 use App\Http\Controllers\Api\V1\UserRoleController;
 use App\Http\Controllers\Api\V1\DepartmentController;
+use App\Http\Controllers\Api\V1\PermissionController;
 use App\Http\Controllers\Api\V1\TenantFieldSettingController;
 use App\Http\Controllers\Api\V1\TenantOptionGroupController;
 use App\Http\Controllers\Api\V1\TenantOptionValueController;
@@ -180,6 +181,14 @@
         });
 
 
+        // Permission API
+        Route::prefix('permissions')->group(function () {
+            Route::get('departments/{dept_id}/menu-matrix', [PermissionController::class, 'deptMenuMatrix'])->name('permissions.deptMenuMatrix');; // 부서별 권한 메트릭스
+            Route::get('roles/{role_id}/menu-matrix', [PermissionController::class, 'roleMenuMatrix'])->name('permissions.roleMenuMatrix');; // 부서별 권한 메트릭스
+            Route::get('users/{user_id}/menu-matrix', [PermissionController::class, 'userMenuMatrix'])->name('permissions.userMenuMatrix');; // 부서별 권한 메트릭스
+        });
+
+
         // 테넌트 필드 설정
         Route::prefix('fields')->group(function () {
             Route::get   ('',        [TenantFieldSettingController::class, 'index'])->name('v1.fields.index');        // 필드 설정 목록(전역+테넌트 병합 효과값)