Thank you very much, Aaron. IPN looks more complex to implement, and also surplus to my requirements, so I think I'll go with PDT - at least for now. I need to make sure that I am understanding correctly. Please let me know if any of the below is incorrect: 1. Once Paypal processes the customer's payment, the customer's browser is re-directed to: www.mywebsite.com/my_return_page?transactionid=97543828 2. Javascript in that page gets the transaction ID from the URL, then sends a POST request to Paypal for the details of that transaction 3. Paypal responds, and my Javascript receives the details. Is that how it works?
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