diff --git a/lib/config.py b/lib/config.py
index 42f0880..d242aef 100644
--- a/lib/config.py
+++ b/lib/config.py
@@ -12,6 +12,16 @@ class Config:
 
     # 노션 API
     NOTION_API_SECRET = os.getenv('NOTION_API_SECRET')
+    NOTION_API_BASE = "https://api.notion.com/v1"
+    NOTION_VERSION = "2022-06-28"
+
+    @classmethod
+    def get_notion_headers(cls):
+        return {
+            "Authorization": f"Bearer {cls.NOTION_API_SECRET}",
+            "Notion-Version": cls.NOTION_VERSION,
+            "Content-Type": "application/json"
+        }
 
     # 웹훅 서명 검증용 비밀키 (옵션)
     NOTION_WEBHOOK_SECRET = os.getenv('NOTION_WEBHOOK_SECRET', None)
@@ -58,6 +68,6 @@ class Config:
             raise EnvironmentError(err_msg)
         else:
             print("필수 항목 검증 완료")
-            
+
 # 초기 검증 실행
 Config.validate()
diff --git a/lib/notion_api.py b/lib/notion_api.py
index adbcbf5..f85ef5c 100644
--- a/lib/notion_api.py
+++ b/lib/notion_api.py
@@ -13,8 +13,8 @@ from lib.config import Config
 from lib.common import EVENT_TYPE_LABELS
 
 def get_page_details(page_id: str) -> Optional[Dict]:
-    url = f"{NOTION_API_BASE}/pages/{page_id}"
-    response = requests.get(url, headers=HEADERS)
+    url = f"{Config.NOTION_API_BASE}/pages/{page_id}"
+    response = requests.get(url, headers=Config.HEADERS)
 
     if response.status_code == 200:
         return response.json()
@@ -147,17 +147,17 @@ def fetch_entity_detail(entity_type: str, entity_id: str) -> Optional[Dict]:
     """
     url = None
     if entity_type == "page":
-        url = f"{NOTION_API_BASE}/pages/{entity_id}"
+        url = f"{Config.NOTION_API_BASE}/pages/{entity_id}"
     elif entity_type == "database":
-        url = f"{NOTION_API_BASE}/databases/{entity_id}"
+        url = f"{Config.NOTION_API_BASE}/databases/{entity_id}"
     elif entity_type == "block":
-        url = f"{NOTION_API_BASE}/blocks/{entity_id}/children"
+        url = f"{Config.NOTION_API_BASE}/blocks/{entity_id}/children"
     else:
         logging.warning(f"알 수 없는 entity_type: {entity_type}")
         return None
 
     try:
-        response = requests.get(url, headers=HEADERS, timeout=5)
+        response = requests.get(url, headers=Config.HEADERS, timeout=5)
         response.raise_for_status()
         return response.json()
     except Exception as e: