You sound like you work for Braintree, especially due to the fact they harp on not being able to export data from other merchant accounts/gateways.
Just saying.
Just saying.
The reason I mentioned Braintree was I've seen their ads on The Deck and came across them being used by several popular Rails SAAS companies. Maybe I've drank their kool-aid. Feel free to substitute any small payment processor (non Paypal/Google Checkout/AuthorizeNet).