Webhook notifications should work in sandbox accounts just like they do
in production accounts.It is possible that there could be an issue with
the configuration of the webhook or the endpoint URL.Regarding the
webhook subscription changing from 'Act...
No, it is not possible to void a void. Once a payment has been voided,
it cannot be unvoided or reversed. In the scenario you described, if the
user resets the cancellation and wants to proceed with the original
order, a new payment transaction would...
Public APIs can be protected without credentials by implementing rate
limiting, IP blocking, captchas,API keys, and encryption to restrict
access and protect data transmission.These methods may not offer the
same level of security as credentials, but...