diff --git a/app.py b/app.py
index d984353..e5496d1 100644
--- a/app.py
+++ b/app.py
@@ -49,8 +49,15 @@ class UnifiAPI:
         self.base_url = config['unifi']['controller']
         self.session = requests.Session()
         self.session.verify = False
+        self.api_key = config['unifi']['api_key']
+        
+        # Get CSRF token first
+        csrf_response = self.session.get(f"{self.base_url}/api/auth/csrf-token")
+        csrf_token = csrf_response.headers.get('X-CSRF-Token')
+        
         self.headers = {
-            'Authorization': f'Bearer {config["unifi"]["api_key"]}',
+            'X-CSRF-Token': csrf_token,
+            'X-API-KEY': self.api_key,
             'Accept': 'application/json'
         }
         self.site_id = self.get_site_id()
@@ -61,7 +68,6 @@ class UnifiAPI:
         response.raise_for_status()
         sites = response.json()['data']
         return sites[0]['_id']
-
     def get_all_devices(self):
         url = f"{self.base_url}/proxy/network/api/s/{self.site_id}/stat/device"
         response = self.session.get(url, headers=self.headers)