express-checkout

I'm using Express Checkout in Paypal and trying to pass discount as a separate item (according to manual this is supported). I pass the following part (full discount on the item, but require to pay shipping): &NOSHIPPING=0 &PAYMENTREQUEST_0_SHIPPINGAMT=2.00 &PAYMENTREQUEST_0_SHIPDISCAMT=0.00 &L_PAYMENTREQUEST_0_NAME0=Item1 &L_PAYMENTREQUEST_0_QTY0=1 &L_PAYMENTREQUEST_0_AMT0=25.90 &L_PAYMENTREQUEST_0_NAME1=Discount &L_PAYMENTREQUEST_0_QTY1=1 &L_PAYMENTREQUEST_0_AMT1=-25.90 &PAYMENTREQUEST_0_ITEMAMT=0.00 &PAYMENTREQUEST_0_AMT=2.00 But I get "The totals of the cart item amounts do not match order

i'm testing paypal integration, in a php demo test on my apache server with a vhost -> test.it/paypal. I use Express Checkout + Server-side REST (cURL). My js Add the PayPal button is: <script> var CREATE_PAYMENT_URL = 'http://test.it/paypal/create-payment.php'; var EXECUTE_PAYMENT_URL = 'http://test.it/paypal/execute-payment.php'; paypal.Button.render({ env: 'sandbox', // Or 'production', commit: true, // Show a 'Pay Now' button locale: 'it_IT', style: { size: 'small', color: 'blue', shape: 'pill', label: 'checkout' }, commit: true, // Show a 'Pay Now' button payment: function() { // Make a

I am using the following code to accept payments for digital goods: https://www.x.com/blogs/Nate/2011/01/07/digital-goods-with-express-checkout-in-php I have a sandbox account and I have used the API credentials from the sandbox account. Everything works fine until I press the "Pay with PayPal" button. At this point when I try to login to continue the simulated transaction I receive the following error: "We are unable to complete your request at this time. Please try again later. We apologize for the inconvenience." I have no idea whet I'm doing wrong, can somebody help? There are a number of

I am trying to setup Paypal express checkout for my website, and I have managed to get it to work, however I have noticed that on some websites you appear to get the new style of Paypal, but on mine I appear to be getting the old. New style that I want: The style that I'm getting: I want to be able to set one or more items as part of the invoice, as well as always having a payment fee and booking fee, as in the first picture above. When making the initial call to Paypal to get a token to setup the express checkout I am passing the following in the query string. USER: username, PWD: password,

I currently have a list of items with a Paypal button associated with each of them. Each item will be purchased separately by clicking on its associated button. <ul> <li data-id="1">Item 1 <div class="paypal-button"></div></li> <li data-id="2">Item 2 <div class="paypal-button"></div></li> <li data-id="3">Item 3 <div class="paypal-button"></div></li> </ul> <script src="https://www.paypalobjects.com/api/checkout.js"></script> <script> paypal.Button.render({ // options }, '.paypal-button'); </script> Unfortunately, it seems that paypal.Button.render() will only render the first element that it