Edit: is it just me, or does PayPal's UI kind of break, when you choose the "horizontal" layout in their integration builder? Example: https://imgur.com/a/IvBdYeI
Both of them seem to have some scary stories around them, in regards to frozen funds or closed accounts, but what are you going to do about that? For many, there aren't many options, since any of the other platforms out there are likely to have similar power over your finances if you go with them.
From what I can tell, Stripe's documentation is generally regarded as nice, just have a look at some of the examples: https://stripe.com/docs
That said, PayPal also seems to be okay, for the most part: https://developer.paypal.com/home
Edit: is it just me, or does PayPal's UI kind of break, when you choose the "horizontal" layout in their integration builder? Example: https://imgur.com/a/IvBdYeI
Both of them seem to have some scary stories around them, in regards to frozen funds or closed accounts, but what are you going to do about that? For many, there aren't many options, since any of the other platforms out there are likely to have similar power over your finances if you go with them.