diff --git a/backend/geoyoung_api.py b/backend/geoyoung_api.py
index 6bad557..6f26860 100644
--- a/backend/geoyoung_api.py
+++ b/backend/geoyoung_api.py
@@ -375,6 +375,78 @@ def api_geoyoung_order_batch():
     })
 
 
+# ========== 잔고 탐색 (임시) ==========
+
+@geoyoung_bp.route('/explore-balance', methods=['GET'])
+def api_explore_balance():
+    """잔고 페이지 탐색 (임시 디버그용)"""
+    from bs4 import BeautifulSoup
+    
+    session = get_geo_session()
+    if not session._logged_in:
+        session.login()
+    
+    results = {
+        'logged_in': session._logged_in,
+        'cookies': len(session.session.cookies),
+        'pages_found': [],
+        'balance_pages': []
+    }
+    
+    # Order 페이지에서 메뉴 링크 수집
+    try:
+        # 먼저 Order 페이지 접근
+        resp = session.session.get(f"{session.BASE_URL}/Home/Order", timeout=10)
+        results['order_page'] = {
+            'status': resp.status_code,
+            'url': resp.url,
+            'is_error': 'Error' in resp.url
+        }
+        
+        if resp.status_code == 200 and 'Error' not in resp.url:
+            soup = BeautifulSoup(resp.text, 'html.parser')
+            
+            # 모든 링크 추출
+            for link in soup.find_all('a', href=True):
+                href = link.get('href', '')
+                text = link.get_text(strip=True)[:50]
+                
+                if href.startswith('/') and href not in [l['href'] for l in results['pages_found']]:
+                    entry = {'href': href, 'text': text}
+                    results['pages_found'].append(entry)
+                    
+                    # 잔고 관련 키워드
+                    keywords = ['account', 'balance', 'trans', 'state', 'history', 'ledger', '잔고', '잔액', '거래', '명세', '내역']
+                    if any(kw in href.lower() or kw in text for kw in keywords):
+                        results['balance_pages'].append(entry)
+    
+    except Exception as e:
+        results['error'] = str(e)
+    
+    return jsonify(results)
+
+
+@geoyoung_bp.route('/balance', methods=['GET'])
+def api_get_balance():
+    """
+    잔고액 조회
+    
+    GET /api/geoyoung/balance
+    """
+    session = get_geo_session()
+    
+    # get_balance 메서드가 있으면 호출
+    if hasattr(session, 'get_balance'):
+        result = session.get_balance()
+        return jsonify(result)
+    else:
+        return jsonify({
+            'success': False,
+            'error': 'NOT_IMPLEMENTED',
+            'message': '지오영 잔고 조회 미구현'
+        }), 501
+
+
 # ========== 하위 호환성 ==========
 
 # 기존 코드에서 직접 클래스 참조하는 경우를 위해
diff --git a/backend/sooin_api.py b/backend/sooin_api.py
index 9841736..1cbdaa6 100644
--- a/backend/sooin_api.py
+++ b/backend/sooin_api.py
@@ -104,6 +104,36 @@ def api_session_status():
     })
 
 
+@sooin_bp.route('/balance', methods=['GET'])
+def api_sooin_balance():
+    """
+    수인약품 잔고(미수금) 조회 API
+    
+    GET /api/sooin/balance
+    
+    Returns:
+        {
+            "success": true,
+            "balance": 14293001,        // 현재 잔고 (누계합)
+            "prev_balance": 10592762,   // 전일잔액
+            "monthly_sales": 3700239,   // 월 매출
+            "yearly_sales": 34380314    // 연 누계 매출
+        }
+    """
+    try:
+        session = get_sooin_session()
+        result = session.get_balance()
+        return jsonify(result)
+    except Exception as e:
+        logger.error(f"수인약품 잔고 조회 오류: {e}")
+        return jsonify({
+            'success': False,
+            'error': 'BALANCE_ERROR',
+            'message': str(e),
+            'balance': 0
+        }), 500
+
+
 @sooin_bp.route('/cart', methods=['GET'])
 def api_sooin_cart():
     """장바구니 조회 API"""