Try Routable.com. They don't issue debit cards as far as I know...but they do specialize in cheap batch payments. They might have a solution for you ...I know t

Try Routable.com. They don't issue debit cards as far as I know...but they do specialize in cheap batch payments. They might have a solution for you ...I know they have an API per their landing page. Hth Bkwlf