diff --git a/vapi_python/vapi_python.py b/vapi_python/vapi_python.py
index 69e9797..9b4aa11 100644
--- a/vapi_python/vapi_python.py
+++ b/vapi_python/vapi_python.py
@@ -13,13 +13,16 @@ def create_web_call(api_url, api_key, payload):
         'Content-Type': 'application/json'
     }
     response = requests.post(url, headers=headers, json=payload)
+    response.raise_for_status()
+    
+    # Check for 201 Created explicitly, although raise_for_status handles 4xx/5xx
+    if response.status_code != 201:
+        raise Exception(f"Unexpected status code: {response.status_code}")
+
     data = response.json()
-    if response.status_code == 201:
-        call_id = data.get('id')
-        web_call_url = data.get('webCallUrl')
-        return call_id, web_call_url
-    else:
-        raise Exception(f"Error: {data['message']}")
+    call_id = data.get('id')
+    web_call_url = data.get('webCallUrl')
+    return call_id, web_call_url
 
 
 class Vapi: