First time buyers are require to wait 5-20 minutes after purchase of AP. Everytime after that it is only 5 mins tops. if you have found yourself waiting over 30mins or more then please do not hesitate to contact the billing team.
Send a ticket to the billing team for this issue, allow up to 48 hours for a response but please be aware that it could take up to 72 hour or more.
Please Send Your Ticket to the Billing Team via this link Billing Inquiry
be sure to include as much detail on your problem as u can it may help speed the process along
hope this helps, need any more assistance don't hesitate to visit my profile and join my ping box for real-time help.