I've implemented PayPal
recurring payments following this guide.
All seems to be working, the subscription is created when the sandbox customer purchase it, but the problem's that I reiceve on the webhook only this event: BILLING.SUBSCRIPTION.CREATED
, I should receive also: PAYMENT.SALE.COMPLETED
but I haven't
I also logged in to the sandbox customer account and I don't see any transaction, seems that the subscription is only created but not paid for. What could cause this? The sandbox customer has available balance.