Update app.py

app.py

@@ -50,7 +50,8 @@ def fetch_active_crypto() -> Optional[Dict[str, Any]]:
         Optional[Dict[str, Any]]: A dictionary containing the top 10 cryptocurrencies by market cap,
                                    or None if an error occurs.
     """
-    url = 'https://sandbox-api.coinmarketcap.com/v1/cryptocurrency/listings/latest'
+    # url = 'https://sandbox-api.coinmarketcap.com/v1/cryptocurrency/listings/latest'
+    url = 'https://pro-api.coinmarketcap.com/v1/cryptocurrency/listings/latest'
     parameters = {
         'start': '1',
         'limit': '5000',
@@ -58,7 +59,8 @@ def fetch_active_crypto() -> Optional[Dict[str, Any]]:
     }
     headers = {
         'Accepts': 'application/json',
-        'X-CMC_PRO_API_KEY': 'b54bcf4d-1bca-4e8e-9a24-22ff2c3d462c',
+        'X-CMC_PRO_API_KEY': 'e375c697-e504-464e-b800-2b8cf9c67765',
+        # 'X-CMC_PRO_API_KEY': 'b54bcf4d-1bca-4e8e-9a24-22ff2c3d462c',
     }
 
     session = requests.Session()