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I am integrating the Express Checkout API and there is a problem regarding the update notification for any transaction made. How Paypal will send me the notification?
If a transaction has not been approved at the time, and after 24 hours it is completed, how do I get this update?
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To receive information, both in feedback after checkout and later (in cases of more time consuming analysis), you need to implement a Controller which will be accessed by Paypal at a later time, in process assíncrono.
This is the so-called Instant Payment Notification, what happens in step 2 and 5 of the following flow:
Image source: https://developer.paypal.com/docs/classic/ipn/gs_IPN/
Hi, it works in sandbox mode to receive notifications according to the implementation suggested by the site Developer.paypal.com?
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Follow an example in PHP - How to Process Instant Payment Notification (IPN)
– Ronny Amarante
Hi, it works in sandbox mode to receive notifications according to the implementation suggested by the site Developer.paypal.com?
– ElvisP