PayPal Express Checkout - 2013 Guide de l'utilisateur télécharger pdf (Page 13)

Express Checkout for Payflow 13

Express Checkout Processing Flow

Express Checkout Sale Transaction Example

 RETURNURL

 CANCELURL

This is an example Set Express Checkout request for a Sale transaction:

TRXTYPE=S

&ACTION=S

AMT=35.00

&CANCELURL=http://www.order_page.com

&CUSTOM=TRVV14459

&EMAIL=buyer[email protected]

&PARTNER=partner

&PWD=password

&RETURNURL=http://www.confirmation_page.com

&TENDER=P

&USER=user

&VENDOR=vendor

NOTE: It is strongly recommended that RETURNURL be the URL of the final review page on

your website where the buyer confirms the order and payment. Likewise, CANCELURL

should be the URL of the original page on your website where the buyer initially chose

to use PayPal.

This is a response to the request:

RESULT=0

&RESPMSG=Approved

&TOKEN=EC-17C76533PL706494P

RESULT and RESPONSE values are returned with all transactions. In a successful response, the

value of RESULT is 0. For details on the set of response parameters generally passed back in

transactions, see

Chapter 4, “Transaction Responses.” The TOKEN value returned associates

this buyer with this particular Express Checkout flow.

Redirecting the Buyer to PayPal

After your buyer clicks the PayPal button and you submit the Set Express Checkout request,

you will want to automatically direct your buyer to the PayPal website. The redirect URL for

this is:

https://www.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token=<TOKEN>

TOKEN is the value returned in the Set Express Checkout response.

NOTE: Express Checkout has a variation on this redirect URL (called useraction) that

allows you to bypass the call to

Get Express Checkout Details and to change the text of

the button displayed on the PayPal website from “Continue” to “Pay Now.” For more

information, see

“Eliminating Your Order Review Page” on page 17.

PayPal recommends that you use the HTTPS response 302 “Object Moved” with your URL as

the value of the Location header in the HTTPS response. Alternately, you can generate a web

page for your buyer that includes a META REFRESH tag in the header. An example is shown

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PayPal Express Checkout - 2013 Guide de l'utilisateur Page 13

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