I am not sure if it is integrated with stripe/Google checkout, but I haven't written single line of code and integrated with Paypal. Also lot of plugins are available.
Providing an API is good. Developers would come up with many innovative solutions. One of my friend built an android app to find location based loo finder using the data public domain.
Not sure if you guys are aware about the data sets which are already publicly available.
I am not sure if it is integrated with stripe/Google checkout, but I haven't written single line of code and integrated with Paypal. Also lot of plugins are available.