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Adding Amazon as an Additional Payment Option
This example shows a way to implement a script that forces the submission of the form during
the document.body.onload event.
<html>
<head></head>
<!-- This example assumes that you have created a new page
to load the Amazon Payments HTML Form after you have
detected that your user has selected Amazon Payments as a
payment method.
The following line will automatically submit the form for you
-->
<body onload="document.getElementByName('TheForm').submit()">
<!-- do NOT render the image on this page -->
<!-- you create the form as you would create a normal dynamic button -->
<form
name="TheForm"
action="https://authorize.payments.amazon.com/pba/paypipeline"
method="post">
<input type="hidden"
name="abandonUrl"
value="http://www.merchantweb site.com/cancel.htm"/>
<input type="hidden"
name="accessKey" value="AKIAIOSFODNN7EXAMPLE"/>
<input type="hidden"
name="amount" value="USD 199.00"/>
<input type="hidden"
name="description" value="Sale of iPod"/>
<input type="hidden"
name="immediateReturn" value="TRUE"/>
<input type="hidden"
name="referenceId" value="ip123"/>
<input type="hidden"
name="returnUrl" value="http://www.merchantweb site.com/return.htm"/>
<input type="hidden"
name="SignatureMethod" value="HmacSHA256"/>
<input type="hidden"
name="SignatureVersion" value="2"/>
<input type="hidden"
name="signature" value="<userinput>[insert the signature you created here]</userinput>"/>
<input type="hidden"
name="ipnUrl"
value=http://www.merchantwebsite.com/instantpaymentnotification/>
<input type="hidden"
name="processImmediate" value="FALSE"/>
</form>
</html>
