It looks like the distinction for this new service is that you get an API and can keep them on your site (without redirecting to amazon.com), so I'm thinking th

It looks like the distinction for this new service is that you get an API and can keep them on your site (without redirecting to amazon.com), so I'm thinking this is closer to Stripe than to PayPal. Apparently sellers get your name, email address, and postal code as soon as you log in.