PayPal Express Checkout - 2012 Podręcznik Użytkownika Pobierz pdf (Strona 39)

Express Checkout Integration Guide August 7, 2012 39

Related API Operations

When you create the simplest Express Checkout integration, you specify Sale as the payment

action, enabling you to receive the money right away. You can also set up a payment to be

collected later, or refund a payment.

Sale Payment Action for Express Checkout

A sale payment action represents a single payment that completes a purchase for a specified

amount.

A sale is the default Express Checkout payment action; however, you can also specify the

following action in your SetExpressCheckout and DoExpressCheckoutPayment

requests:

PAYMENTREQUEST_n_PAYMENTACTION=Sale

A sale is the most straightforward payment action. Choose this payment action if the

transaction, including shipping of goods, can be completed immediately. To use this payment

action:

 The final amount of the payment must be known when you invoke the

DoExpressCheckoutPayment API operation

 You should intend to fulfill the order immediately, such as would be the case for digital

goods or for items you have in stock for immediate shipment

After you execute the DoExpressCheckoutPayment API operation, the payment is

complete and further action is unnecessary. You cannot capture a further payment or void any

part of the payment when you use this payment action.

Authorization Payment Action for Express Checkout

An authorization payment action represents an agreement to pay and places the buyer’s funds

on hold for up to three days.

To set up an authorization, specify the following payment action in your

SetExpressCheckout and DoExpressCheckoutPayment requests:

PAYMENTREQUEST_n_PAYMENTACTION=Authorization

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PayPal Express Checkout - 2012 Podręcznik Użytkownika Strona 39