PayPal Website Payments Pro - 2011 - Hosted Solution Betriebsanweisung PDF herunterladen (Seite 39)

Integrating Your Website Using API

Using the Button Manager API with Hosted Solution Checkout

<input type="image"

src="https://www.paypal.com/en_GB/i/btn/btn_paynow_LG.gif" border="0"

name="submit" alt="PayPal — The safer, easier way to pay online.">

<img alt="" border="0" src="https://www.paypal.com/en_GB/i/scr/pixel.gif"

width="1" height="1">

</form>

NOTE:The PayPal payment page displays a button identified as Pay Now to complete the

checkout flow. The Pay Now button on the PayPal page is different than the Pay Now

button created by the BMCreateButton API operation on the review page. You may

need to change the URL for the latter in BUTTONIMAGEURL to avoid confusion.If a

URL is not specified in BUTTONIMAGEURL, then the default Pay Now is used for the

button.

Encrypting Buttons Using Public and Private Key

Using Encrypted Website Payments helps secure payment buttons that you generate or write

manually. Encrypted Website Payments protects the HTML button code that contains pricing

information by encrypting it. HTML button code that you protect by using Encrypted Website

Payments cannot be altered by malicious third parties to create fraudulent payments. For

detailed information, refer to

Chapter 7, “Protecting Buttons by Using Encrypted Website

Payments

Example of Initiating Hosted Solution Checkout

The example shows the NVP parameters using BUTTONCODE=TOKEN for creating a URL to

initiate the Hosted Solution checkout flow. Refer to

Table 5.1 for more information about the

parameters in the example.

TABLE 5.1 API Credentials

Parameter Value

USER

(Required) Your PayPal API Username

PWD

(Required) Your PayPal API Password

VERSION

(Required) Version number of the NVP API service, such as 80.0

SIGNATURE

(Optional) Your PayPal API signature string. If you use an API certificate,

do not include this parameter.

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PayPal Website Payments Pro - 2011 - Hosted Solution Betriebsanweisung Seite 39