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Re:Ask HN: Experiences with PayPal? Would you recommend or k... by neilk on Sunday September 05, 2010 @01:46AM (#1664089)
The main thing to realize is that all payment options suck. So, you should architect your site such that it's possible to have other options for payment, and not keep a large amount of money in their systems.

It just occured to me that maybe there is an opportunity for someone to make a payment-systems abstraction layer. Does that exist yet?

Re:Ask HN: Experiences with PayPal? Would you recommend or k... by patio11 on Sunday September 05, 2010 @02:01AM (#1664103)
http://e-junkie.com operates as a payment abstraction layer for a few services (Paypal, Google Checkout, 2CheckOut, etc). That is my primary use for them these days, although they do other things, too.

From the perspective of my website, I don't care whether someone pays with Paypal or Google Checkout. Both transactions are wrapped by e-junkie in a consistent API, then POSTed to a URL I gave them. Some Rails magic handles it from there.

Re:Ask HN: Experiences with PayPal? Would you recommend or k... by neilk on Monday September 06, 2010 @12:37PM (#1666943)
They are more like what I would call a shopping cart provider, but the effect is the same for many businesses.