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I am making a paypal pay now button for my website to add credits that can be used.
I understand the whole buy now and ipn thing but I what I would like to do is that when the user finishes his pay, there should be a way for the IPN to get the username so that I could add the credits into the database.
Is there a way to have the username sent together with the transaction so that it is returned, too? Thank you.
In the button params, set the
notify_urlvariable to an URL of maximum 255 characters.PayPal will HTTP POST to this URL with the IPN details (
payment_status,payment_date, etc.).When creating the button, add params to this URL, such as http://yourwebsite.com?username_for_credits=john%20doe
.
When PayPal will make the IPN HTTP POST, you will get back the username you want.