super-useful guys, thankyou
how secure is this? are there any passwords or seller account details
sent by flash to paypal?
Quoting Jordan Snyder <[EMAIL PROTECTED]>:
That was helpful John!
FYI, it seems your Google Checkout code is broken!
Cheers
On 4/23/07, John Hattan <[EMAIL PROTECTED]> wrote:
You don't need any third-party API's to talk to paypal. Since the
paypal site accepts standard GET and POST CGI data, sending a
transaction to Paypal can be done by setting up a LoadVars object,
setting the parameters to your shopping cart in the object, then
sending that LoadVars object to PayPal's little processor at
https://www.paypal.com/cgi-bin/webscr
(note that there's apparently a long-standing bug in Flash's
POST-handler, so I just use GET. It makes for ugly URL's, but it
works)
As for doing back-end processing from Paypal (i.e. being notified
that somebody bought something and you need to act on that
purchase), google for "IPN", which is Paypal's spec for creating
and acting on transactions. Paypal's got good sample code in
several server-side languages along with developer forums and a
sandbox (i.e. a "fake paypal" where you can test your code without
spending real money).
The process basically goes like this. . .
1. You send your shopping cart data to paypal (either from Flash or
some other browser-based shopping-cart solution)
2. The user is sent to paypal where he pays for the transaction.
3. Paypal contacts some server-side code telling you that somebody
bought something.
4. You verify the transaction with paypal (to make sure you're not
being spoofed)
5. If verified, do whatever's necessary to complete the
transaction, like email the user a download link.
Here's my little shopping-cart. Note that it also talks to Google
Checkout, which has a few more steps but is otherwise similar.
http://www.thecodezone.com/buy.html
----- Original Message ----
From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
To: [email protected]
Sent: Monday, April 23, 2007 11:23:40 AM
Subject: [Flashcoders] flash and paypal
i'm going to be producing a site which sells some exclusive, single
and multiple (ie shopping cart) products which i'd like to do in flash.
the client wants to use paypal to begin with (it's a startup).
Does anyone have any experience with using flash with paypal? Can you
recommend any good tutorial sites or 3rd party api's?
Hope you guys can help
thanks
a
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Jordan Snyder
Applications Developer
Image Action LLC
http://www.imageaction.com
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