paypal
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Subscriptions and Recurring Payment Buttons - Advanced Techniques
The example code below shows the minimum information you need to create an Add to Cart button (in this case, to purchase a newsletter subscription billed at $5.00 USD per month): <form name="_xclick" action="https://www.paypal.com/cgi-bin/webscr" method="post"> <input type="hidden" name="cmd" value="_xclick-subscriptions"> <input type="hidden" name="business" value="me@mybusiness.com"> <input type="hidden" name="currency_code" value="USD"> <input type="hidden" name="no_shipping" value="1"> <input type="image" src="http://www.paypal.com/en_US/i/btn/btn_subscribe_LG.gif" border="0" name="submit" alt="Make payments with PayPal - it's fast, free and secure!"> <input type="hidden" name="a3" value="5.00"> <input type="hidden" name="p3" value="1"> <input type="hidden" name="t3" value="M"> <input type="hidden" name="src" value="1"> <input type="hidden" name="sra" value="1"> </form>
Here's a list of PayPal buttons to help avoid wasting time filling out forms on Paypal's site.
List of PayPal buttons - cheat sheet | Exodus Development
Use the PayPal Sandbox to test and debug routines that make use of the PayPal APIs. The PayPal Sandbox is a self-contained, virtual testing environment that mimics the live PayPal production environment. It provides a shielded space where you can watch your application process calls to the PayPal APIs, without touching any live PayPal accounts. This guide This guide describes how to create, manage, and use Sandbox test accounts:
Testing Sandbox
SDKs and Downloads
New PayPal SDKs The X.commerce Developer Tools team announces the stable release of new SDKs for PayPal APIs after several months in beta testing. The new SDKs address the essential needs of you, the developer: