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Questions tagged [nvp]

Name-Value Pairs(NVP) is a PayPal Classic API syntax that uses a query-string to pass data

Name-Value Pairs(NVP) is part of the PayPal Classic API system. It was introduced as a simpler alternative to using to make API calls. NVP works exactly like a query string (raw POST operations also function like query strings). A sample NVP (minus the necessary authentication data) looks like this

METHOD=GetTransactionDetails&VERSION=109.0&TRANSACTIONID=ABC123

Responses are made in kind.

85 questions
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PayPal SOAP and NVP

I am new to PayPal and i want to know which is batter way to implement PayPal, SOAP or NVP API. And what is the major difference between these two???
Waheed
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Changing the Amount of a PayPal Subscription

We are using PayPal subscriptions to automatically make ongoing monthly donations. The user initially creates a subscription with some pre-determined monthly donation amount (e.g., say $50/month). This creates a recurring subscription which we…
cambo
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PayPal Express Checkout MVC C# sample code

I'm developing an asp.net MVC4 site which will accept payment via paypal. Has anyone seen any C# samples for express checkout using NVP because I didn't find the supplied Java or PHP examples that useful? Thanks!
sa555
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Problems with Paypal SetExpressCheckout when using NVP API in ASP.net

Hi, I am implementing the intergration between my Facebook game and Paypal's express checkout payment service. My website is developed in ASP.net and I am using NVP API for the integration. MY problem is that I am keep getting the 10400 error -…
Koby Mizrahy
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Paypal NVP with IPN for confirmation - what ties them together

I am using PayPal with NVP API (using PHP) for express checkout. I am creating an invoice record in the database before redirecting the user to Paypal. In case the user doesn't return to my site after processing, I am using IPN to confirm the…
mseifert
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PayPal NVP/SOAP checkout express still supported?

I'm providing support to a website that uses Express Checkout. The website sends Name Value Pairs, to this endpoint: api-3t.paypal.com/nvp I'm confused about whether this is already deprecated or not, and whether it will continue working in the…
Juan Alzate
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Line items on the paypal express checkout using Paypal Payments Advanced (and the NVP API)

I'm using Paypal Payments Advanced with the hosted checkout page (iframe). This gives customers an option to click the "pay with paypal"(button) which is paypal's Express Checkout or pay using a credit card. Everything seems to be working great,…
prograhammer
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Paypal API TransactionSearch NVP - Success but no result

I am editing a web site of an Ultimate Frisbee organisation I'm part of that needs to validate a membership payment when the user tries to sign in. To do so, I am using a PHP Paypal API (the NVP version, not the SOAP one) that sends a request…
Raphael Royer-Rivard
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Paypal the totals of the cart item amounts do not match order amounts using nvp with express_checkout

This is what i've sent to paypal using nvp and express_checkout, but it gives me error do not match order amount, can you help me please which one i'm missing or calculated wrongly? I have read post with same problem, but still got no clue how to…
axscode
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Paypal doesn't display the amount of current purchase?

PayPal doesn't seem to display the amount of the purchase on the left of the PayPal page. What's more surprising is that the description of the product is displayed correctly! BTW, NVP API is what I use!
Alex Fu
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PayPal C# merchant-sdk-dotnet

I want to download PayPal activity via an api. (i.e. just get a report of a month's payments received). We are using WooCommerce with PayPal ExpressCheckout. It appears to use the NVP api. (I tried using the REST API and got no results). I've…
Walter de Jong
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Paypal sandbox curl NVP request fails (DoExpressCheckoutPayment)

I have the following lines of code in my project: $queryString = http_build_query($data); $hCurl = $this->_setApiEndpoint($queryString); $headers = array('Content-type: multipart/form-data'); curl_setopt($hCurl, CURLOPT_HTTPHEADER,…
Friedrich
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Need example code for PayPal NVP api request code for parallel payment

I can use successfully the PayPal NVP api for SetExpressCheckout. But the problem with this is, I can't pay two merchant on a single payment. So, going through PayPal, I found that I can use the parallel payment. I need to know how can I use the…
md. ariful ahsan
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NVP API does not work in Sandbox paypal environment

I have a site that is working perfectly since several months by implementing a expresscheckout based on NVP API Call. I use both my own development user *-facilitator@xxx and the API credentials. The fact is that I have not changed anything but…
Fernando Llorente Haya
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Payum Laravel Package - Route not found

I'm using Payum/PayumLaravelPackage Package and I'm having a problem with this package. I have this method: public function prepareExpressCheckout() { $storage = $this->getPayum()->getStorage('Payment'); $details = $storage->create(); …
Eliya Cohen
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