I use these guys: http://www.paysimple.com/ http://www.paysimple.com/ They walked me through getting a merchant account and charge $30/month for the gateway wit

I use these guys: http://www.paysimple.com/ http://www.paysimple.com/ They walked me through getting a merchant account and charge $30/month for the gateway with an API, credit card vault, subscription billing on credit card or ACH