BrainTree is not viable at your scale. More directly, Braintree will cost you a minimum of about $130 per month (with their vault service). Until you're doing

BrainTree is not viable at your scale. More directly, Braintree will cost you a minimum of about $130 per month (with their vault service). Until you're doing a couple thousand in revenue per month, there are cheaper alternatives. But you get something for that money - a great API.