I am not sure how intuit and they have and API, but if you do try to use the custom option, if now the new version provides support for WePay (USA only), here is the test version. Google checkout is another option.
Xpark Media
I am not sure how intuit and they have and API, but if you do try to use the custom option, if now the new version provides support for WePay (USA only), here is the test version. Google checkout is another option.