Chapter 2Take the Money
Throughout this book we’ll look at many different aspects of financial transactions. We’ll talk about reporting, administration, legal requirements, and a host of other things. But the key part of taking money from customers is actually taking money from them.
It turns out you can send an API call with a particular set of authentication information to a particular server and this will have the real-world effect of removing money from one person’s account and adding it to your account. I don’t know about you, but the fact that this is possible still seems magical, even though it happens zillions of times a day all across the world.
In the previous chapter we set up our shopping cart feature. Our users are able to select ...
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