They have all the power of a bank, but none of the accountability. They can freeze your assets and if you want to complain dial 1-800-talk2robot, like pissing in the wind.
I'm sure you've all read the horror stories about Paypal. There certainly isn't a shortage of em.
There does seem to be a shortage of horror stories with PayPal compared to how fiercely they're hated by some like yourself. I read a handful a year at most. For 230 million accounts, that's less complaints than you'd expect as a baseline regardless of the company's service record; every business gets their share. Certainly less than I hear about cable and phone companies, big retail chains, etc.
They're actually a bank in Europe.
You expect something enterprisey if you haven't played around with Azure lately, but you can work entirely in JavaScript on the server-side (powered by Node) and there's good support for iOS, Android, Ruby, Python, etc.
Disclaimer: I work in the company behind it. If you have any questions we will be glad to help you out. By the way, the SDKs are Open Source and we are working on a "community" release of the backend for our customers to not be afraid of the vendor-locking.
I think they're done.
They're gonna be joining Paypal to improve what Paypal has.