diff --git a/addons/payment_adyen/controllers/main.py b/addons/payment_adyen/controllers/main.py
index 1f8cf0afce3..917361c5314 100644
--- a/addons/payment_adyen/controllers/main.py
+++ b/addons/payment_adyen/controllers/main.py
@@ -246,7 +246,7 @@ class AdyenController(http.Controller):
         # Redirect the user to the status page
         return request.redirect('/payment/status')
 
-    @http.route(_webhook_url, type='json', auth='public')
+    @http.route(_webhook_url, type='http', methods=['POST'], auth='public', csrf=False)
     def adyen_webhook(self):
         """ Process the data sent by Adyen to the webhook based on the event code.
 
@@ -256,7 +256,7 @@ class AdyenController(http.Controller):
         :return: The '[accepted]' string to acknowledge the notification
         :rtype: str
         """
-        data = request.dispatcher.jsonrequest
+        data = request.get_json_data()
         for notification_item in data['notificationItems']:
             notification_data = notification_item['NotificationRequestItem']
 
@@ -291,7 +291,7 @@ class AdyenController(http.Controller):
             except ValidationError:  # Acknowledge the notification to avoid getting spammed
                 _logger.exception("unable to handle the notification data; skipping to acknowledge")
 
-        return '[accepted]'  # Acknowledge the notification
+        return request.make_json_response('[accepted]')  # Acknowledge the notification
 
     @staticmethod
     def _verify_notification_signature(notification_data, tx_sudo):
diff --git a/addons/payment_adyen/tests/test_adyen.py b/addons/payment_adyen/tests/test_adyen.py
index d7db2ce0dac..93bf94bcb9c 100644
--- a/addons/payment_adyen/tests/test_adyen.py
+++ b/addons/payment_adyen/tests/test_adyen.py
@@ -470,7 +470,7 @@ class AdyenTest(AdyenCommon, PaymentHttpCommon):
         ):
             response = self._make_json_request(url, data=payload).json()
         self.assertEqual(
-            response['result'], '[accepted]', msg="The webhook should always respond '[accepted]'",
+            response, '[accepted]', msg="The webhook should always respond '[accepted]'",
         )
 
     @mute_logger('odoo.addons.payment_adyen.controllers.main')
diff --git a/addons/payment_stripe/controllers/main.py b/addons/payment_stripe/controllers/main.py
index 0b94f44a01c..84c3630e5dd 100644
--- a/addons/payment_stripe/controllers/main.py
+++ b/addons/payment_stripe/controllers/main.py
@@ -81,14 +81,14 @@ class StripeController(http.Controller):
         # Redirect the user to the status page
         return request.redirect('/payment/status')
 
-    @http.route(_webhook_url, type='json', auth='public')
+    @http.route(_webhook_url, type='http', methods=['POST'], auth='public', csrf=False)
     def stripe_webhook(self):
         """ Process the notification data sent by Stripe to the webhook.
 
         :return: An empty string to acknowledge the notification
         :rtype: str
         """
-        event = json.loads(request.httprequest.data)
+        event = request.get_json_data()
         _logger.info("notification received from Stripe with data:\n%s", pprint.pformat(event))
         try:
             if event['type'] in HANDLED_WEBHOOK_EVENTS:
@@ -143,7 +143,8 @@ class StripeController(http.Controller):
                         refund_tx_sudo = self._create_refund_tx_from_refund(tx_sudo, refund)
                         self._include_refund_in_notification_data(refund, data)
                         refund_tx_sudo._handle_notification_data('stripe', data)
-                    return ''  # Don't handle the notification data for the source transaction.
+                    # Don't handle the notification data for the source transaction.
+                    return request.make_json_response('')
                 elif event['type'] == 'charge.refund.updated':  # Refund operation (with update).
                     # A refund was updated by Stripe after it was already processed (possibly to
                     # cancel it). This can happen when the customer's payment method can no longer
@@ -155,7 +156,7 @@ class StripeController(http.Controller):
                 tx_sudo._handle_notification_data('stripe', data)
         except ValidationError:  # Acknowledge the notification to avoid getting spammed
             _logger.exception("unable to handle the notification data; skipping to acknowledge")
-        return ''
+        return request.make_json_response('')
 
     @staticmethod
     def _include_payment_intent_in_notification_data(payment_intent, notification_data):