diff --git a/app/controllers/checkouts_controller.rb b/app/controllers/checkouts_controller.rb
index fbb0dd0..1ad7454 100644
--- a/app/controllers/checkouts_controller.rb
+++ b/app/controllers/checkouts_controller.rb
@@ -51,6 +51,7 @@ def handle_shopper_redirect
   def adyen_webhooks
     notifications = params["notificationItems"]
     response = Checkout.adyen_webhooks(notifications)
-    render json: response
+    # Return 202 with empty body
+    render status: 202, body: ''
   end
 end
diff --git a/app/models/checkout.rb b/app/models/checkout.rb
index 79b1e06..2b14048 100644
--- a/app/models/checkout.rb
+++ b/app/models/checkout.rb
@@ -58,9 +58,10 @@ def adyen_webhooks(notifications)
       if validator.valid_notification_hmac?(notification, hmacKey)
         puts notification["eventCode"]
         puts notification["merchantReference"]
-        "[accepted]"
+        # Send a 202 response with an empty body
+        "Ok"
       else
-        # In case of invalid hmac, do not send [accepted] response
+        # In case of invalid hmac
         raise "Invalid HMAC Signature"
       end
     end