I am working on braintree and I want to send custom email notifications to my customers as I am working with recurring billing, so every month these custom notifications should
I work at Braintree. If you need more help, please get in touch with our support team.
In order to test webhooks, your app needs to be able to be reached by the Braintree Gateway. A localhost
address isn't. Try using your external IP address and make sure the port on the correct computer can be reached from the internet.
Take a look at the Braintree webhook guide for more info on setting up webhooks.