What is the difference between ipn and pdt

Your email address will not be published. Fortune class analytics for PayPal. Leave a Reply Want to join the discussion? Feel free to contribute! So ipn. And then update your database with users and somehow mark that this user payed of course if status is Completed. Hope this helps a little.

But in this case it's not really important from which paypal account user pays and which is registered in your database. All you need is that you somehow link it together. In this case with userid or something like that. Asked 5 Months ago Answers: 4 Viewed 32 times. I would like more than a sentence. Could anyone who's gone through this kindly shed some light?

With PDT you get the notification instantly and can do any additional processing required and show the user a confirmation page. With IPN you are guaranteed to be notified that the payment was received even if the user's computer explodes before it can send you the PDT.

When to Use PDT? So, use PDT if your site includes a feature that requires immediate payment notification. Documentation Here. PDT doesn't work for all cases and doesn't guarantee message delivery. They will work fine for card transactions. PDT can provide the immediate transaction status to your website, where you can quickly check the payment success or failure status and provide the user with appropriate message. Meanwhile, you can await the full verification from IPN in the background.

Once received, you can use this to further update your DB and process the order. You can follow this step-by-step guide which I found to be very clear and helpful - and it's still valid in If you add any files,it will delete all existing files related to this question- questions only answer remains unchanged. Your request will be Queued. We will review the question and remove. It may take some days. If you add any files,it will delete all existing files related to this answer- only this answer.

Tech Community Register Log in. Asked in community. I would like more than a sentence. As a result, when PDT sends a confirmation, your site must be running; otherwise, it will never receive the message. With IPN, in contrast, delivery of order confirmations is virtually guaranteed since IPN resends a confirmation until your site acknowledges receipt. So, using IPN, your site can receive, for example, chargeback notifications as well as order confirmations.

However, if you do, your site will receive two order confirmations for each sale.