diff --git a/planet/order_request.py b/planet/order_request.py
index 4f5410cc..f7ab105f 100644
--- a/planet/order_request.py
+++ b/planet/order_request.py
@@ -15,7 +15,7 @@
 """Functionality for preparing order details for use in creating an order"""
 from __future__ import annotations  # https://stackoverflow.com/a/33533514
 import logging
-from typing import Optional, Any, Dict, List
+from typing import Optional, Any, Dict, List, Union
 
 from . import geojson, specs
 from .exceptions import ClientError
@@ -143,7 +143,23 @@ def notifications(email: Optional[bool] = None,
         webhook_per_order: Request a single webhook call per order instead
             of one call per each delivered item.
     '''
-    return dict((k, v) for k, v in locals().items() if v)
+    notifications_dict: Dict[str, Union[dict, bool]] = {}
+
+    if webhook_url:
+        webhook_dict: Dict[str, Union[str, bool]] = {
+            'url': webhook_url,
+        }
+        if webhook_per_order is not None:
+            wpo: bool = webhook_per_order
+            webhook_dict['per_order'] = wpo
+
+        notifications_dict['webhook'] = webhook_dict
+
+    if email is not None:
+        val: bool = email
+        notifications_dict['email'] = val
+
+    return notifications_dict
 
 
 def delivery(archive_type: Optional[str] = None,
diff --git a/tests/unit/test_order_request.py b/tests/unit/test_order_request.py
index 48f3be00..1b21c222 100644
--- a/tests/unit/test_order_request.py
+++ b/tests/unit/test_order_request.py
@@ -46,9 +46,9 @@ def test_build_request():
         }
     }
     notifications = {
-        'email': 'email',
-        'webhook_url': 'webhookurl',
-        'webhook_per_order': True
+        'email': 'email', 'webhook': {
+            'url': 'webhookurl', 'per_order': True
+        }
     }
     order_type = 'partial'
     tool = {'bandmath': 'jsonstring'}
@@ -119,11 +119,11 @@ def test_product():
 
 def test_notifications():
     notifications_config = order_request.notifications(
-        email='email', webhook_url='webhookurl', webhook_per_order=True)
+        email=True, webhook_url='webhookurl', webhook_per_order=True)
     expected = {
-        'email': 'email',
-        'webhook_url': 'webhookurl',
-        'webhook_per_order': True
+        'email': True, 'webhook': {
+            'url': 'webhookurl', 'per_order': True
+        }
     }
     assert notifications_config == expected