Deposits are almost instant if you are depositing using the QR code.
Withdrawals may take anytime from 1 to 4 hours depending on volume and time of the day.
If you have not received your THB withdrawal after 4 hours, please kindly inform customer support
Withdrawals above THB5,000,000 will take up to 2 business days.
https://bitazzahelp.freshdesk.com/a/solutions/articles/44001850192?lang=en