PayPal Express Checkout - 2012 Guía de usuario descargar pdf (Pagina 15)

Express Checkout Integration Guide August 7, 2012 15

Getting Started With Express Checkout

Implementing the Simplest Express Checkout Integration

After Completing This Task:

You will need to place the PayPal mark image on your payment page. The instructions for

obtaining this image are similar to the instructions for obtaining the button. The mark is found

on the same

Button Code page (https://www.paypal.com/express-checkout-buttons) as the Express

Checkout button:

Before You Start Coding

If you are not familiar with how PayPal APIs work, read this topic. It provides the minimum

information you need to be successful using the PayPal Name-Value Pair API.

PayPal API Client-Server Architecture

The PayPal API uses a client-server model in which your website is a client of the PayPal

server.

A page on your website initiates an action on a PayPal API server by sending a request to the

server. The PayPal server responds with a confirmation that the requested action was taken or

indicates that an error occurred. The response might also contain additional information

related to the request. The following diagram shows the basic request-response mechanism.

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PayPal Express Checkout - 2012 Guía de usuario Pagina 15