The Webhook URL in our documentation was missing the "payment/xendit/webhook" part, meaning Odoo wasn't processing messages from Xendit if users followed the documentation. Therefore this commit corrects this so it's included.
Support Ticket: opw-3849683
task-3859686
closesodoo/documentation#8598
Signed-off-by: Xavier Platteau (xpl) <xpl@odoo.com>