PayPal Express Checkout - 2010 Guia do Utilizador descarregar pdf (Página 18)

Introducing Express Checkout

Express Checkout Building Blocks

18 May 2010 Express Checkout Integration Guide

z The token that was included in the redirect to PayPal

z The buyer’s unique identifier (Payer ID)

If the buyer cancels, PayPal redirects to the cancel URL with the token that was included in the

redirect to PayPal.

Express Checkout Token Usage

Express Checkout uses a token to control access to PayPal and execute Express Checkout API

operations.

The SetExpressCheckout API operation returns a token, which is used by other Express

Checkout API operations and by the _ExpressCheckout command to identify the

transaction. The life of the token is approximately 3 hours.

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PayPal Express Checkout - 2010 Guia do Utilizador Página 18