Exactly. Their API for me is the distinguishing factor that means I can build SaaS-based offerings on top of them, and at a more affordable rate than EC2 as wel

Exactly. Their API for me is the distinguishing factor that means I can build SaaS-based offerings on top of them, and at a more affordable rate than EC2 as well. You don't necessarily need the horsepower of a full 24x7 EC2 instance, and a basic $20/mo slice can do a lot.