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I have a requirement to create a donation software for a project.

Does anyone know how KickStarter designed theirs? What are the security elements involved? How do I create the credit card transactions-processing part? Is there some common library/service used for that?

I am still in research phases for this, so any ideas appreciated!

closed as too broad by durron597, user22815, user40980, Dan Pichelman, GlenH7 Jul 21 '15 at 14:44

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  • There is also kiva.org and vittana.org I would check them out at least for the UI ideas. Not sure how they work under the hood, sorry. – Job Dec 15 '11 at 1:53
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There are a lot of issues for handling credit cards. The easiest solution is using a service like Paypal's service to process the credit cards. That way, all you have to do is store the amount and a PayPal Transaction ID.

You can then start moving up to more complicated solutions, directly using gateways such as Verisign (yes, that's part of PayPal) or Authorize.net or any of a lot more.

Things that you will need to think about, especially if you start to go towards using merchant account APIs

  • PCI Compliance
  • Fraud protection
  • Dispute handling
  • Auditing
  • Getting an Internet Merchant Account
  • Storing/ Not storing/ encrypting personal identifiable information

It's a really broad topic, and there are a lot of answers out there. This is a bit of a start of things you'll have to think about.

  • PayPal even might wave some fees, as it did for some other big charities. – Job Dec 15 '11 at 4:12
  • Good advice. The "real" credit card companies (quite rightly) make you jump through several technical, legal and procedural hoops before they will allow you to connect. – James Anderson Dec 15 '11 at 6:07

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