When things go right and our product starts making money everyone is happy, but sometimes this means the start of the nightmare for people working with payments.
Let's not sugar coat it. In this talk you'll learn about some where thing went terribly wrong, some of them involved loosing money. Stories of stuff that can easily get overlooked, about the most common mistakes when working with payments and things you probably won't consider until shit hits the fan. All of this so that you don't run into the same problems and don't have to learn those lessons the hard way.
Presented at: Rails Pacific 2016