I am using a sandbox to test a payment page using the Simple Checkout. I have a relay response url and have verified that it is getting called. I am using MVC/Visual Studio C# and am able to debug into the relay response method.
At this time, I am not sure what I am supposed to return nor how to return information back to Authorize.net when my relay response method is done processing. Therefore, I'm getting an error even though the payment succeeded.
Are there any samples or documentation on what is supposed to be returned upon completion of the relay response logic and how that is supposed to be return.