paypal

问题 PayPal IPN sends a POST request with a variable number of fields to the notify URL, in order to confirm that the POST request is legit we need to resubmit the same request along with a additional cmd=_notify-validate field to PayPal, which then replies VERIFIED or INVALID . My question is, why do we need to resend the request to PayPal? Wouldn't something like this suffice? if (preg_match('~^(?:.+[.])?paypal[.]com$~i', gethostbyaddr($_SERVER['REMOTE_ADDR'])) > 0) { // request came from PayPal

问题 I'm developping a web application on which I allow the users to buy a ticket for an event. I used the Paypal Rest API for sending money and purchasing the tickets.Everything is working just fine. Now I'm trying to use the refund method to refund all users related to an event when this event will be cancelled. Looking in the REST API documentation I found that there is a way to refund but when I search in the REST API package for laravel I haven't found how to refund or use the refund method.

问题 Here's the code for my Paypal button: <form action="https://www.sandbox.paypal.com/cgi-bin/webscr" method="post"> <input type="hidden" name="cmd" value="_xclick"> <input type="hidden" name="business" value="my@email.com"> <input type="hidden" name="lc" value="GB"> <input type="hidden" name="button_subtype" value="products"> <input type="hidden" name="no_note" value="1"> <input type="hidden" name="no_shipping" value="1"> <input type="hidden" name="rm" value="0"> <input type="hidden" name=

问题 I have implemented Adaptive Payment in my website. First It was Standard Payment so in that i was passing a custom parameter in the form and i was getting it in IPN. But i am unable to find how to pass this parameter in Adaptive Payment. Thanks 回答1: [Edit] As per @jackvsworld suggests in PayPal Adaptive use parameter as ipnNotificationUrl . I did this by passing into GET parameters of notify_url For e.g. http://www.mywebsite.com/index.php?param_1=value&param_2=value 回答2: I agree with @jimy to

问题 I have implemented Adaptive Payment in my website. First It was Standard Payment so in that i was passing a custom parameter in the form and i was getting it in IPN. But i am unable to find how to pass this parameter in Adaptive Payment. Thanks 回答1: [Edit] As per @jackvsworld suggests in PayPal Adaptive use parameter as ipnNotificationUrl . I did this by passing into GET parameters of notify_url For e.g. http://www.mywebsite.com/index.php?param_1=value&param_2=value 回答2: I agree with @jimy to

问题 I am currently testing the buy now button on a PHP website. The transaction is working but I am getting now call back from Paypal to update my database. Here is the code I have (I have changed urls) : <form action="https://www.paypal.com/cgi-bin/webscr" method="post" target="_top"> <input type="hidden" name="cmd" value="_s-xclick"> <input type="hidden" name="encrypted" value="........" <input type="image" src="https://www.paypalobjects.com/fr_CA/i/btn/btn_buynowCC_LG.gif" border="0" name=

问题 I am currently testing the buy now button on a PHP website. The transaction is working but I am getting now call back from Paypal to update my database. Here is the code I have (I have changed urls) : <form action="https://www.paypal.com/cgi-bin/webscr" method="post" target="_top"> <input type="hidden" name="cmd" value="_s-xclick"> <input type="hidden" name="encrypted" value="........" <input type="image" src="https://www.paypalobjects.com/fr_CA/i/btn/btn_buynowCC_LG.gif" border="0" name=

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . There is quite a few code samples on PayPal GitHub showing how to implement IPN listener in various languages (php, VB, ...). However, there is none for the ASP.NET MVC. Has anybody successfully implemented it? Or is there, similarly to the other code samples, a preferred/oficial way of implementing it? 回答1: A

问题 By following the guide on https://developer.paypal.com/webapps/developer/docs/integration/web/accept-paypal-payment/ , I have successfully created a payment and redirect the user to approve it. The created payment is something look like bellow, and I save it in user's session for further reference. { "id": "PAY-6RV70583SB702805EKEYSZ6Y", "create_time": "2013-03-01T22:34:35Z", "update_time": "2013-03-01T22:34:36Z", "state": "created", "intent": "sale", "payer": { "payment_method": "paypal" },

问题 Instant Payment Notification script receives among other parameters the following one: payer_id = LPLWNMTBWMFAY What is the meaning of that string? 回答1: It's an external unique identifier of a particular PayPal account. Since email addresses change over time. A PayerID is static. 回答2: As others have said, payer_id can be used to identify a Paypal account. HOWEVER! -- a single Paypal account can have several payer_id s associated with it, one for each credit card or funding source used by that