At the moment, Viva does not provide any token that can be used to validate that an IPN message is genuine.
After contacting Viva engineers, they confirmed it's in their plans. At the moment, the only way to validate an IPN message is to actually do a transaction request and verify that the status of the order is the one indicated by the IPN message.
At the moment, Viva does not provide any token that can be used to validate that an IPN message is genuine.
After contacting Viva engineers, they confirmed it's in their plans. At the moment, the only way to validate an IPN message is to actually do a transaction request and verify that the status of the order is the one indicated by the IPN message.