Download PayPal Certified Developer Program - 2008 Study Guide

6
Express Checkout
Express Checkout API Reference Information
SetExpressCheckout Request
The SetExpressCheckout notifies PayPal that the application is using Express Checkout to
obtain payment from the customer.
TABLE 6.2 SetExpressCheckout Request Parameters
Parameter
Description
Required?
METHOD
Name of the API: SetExpressCheckout
Yes
RETURNURL
A secure URL to which the customer’s browser is returned after the
customer chooses to pay with PayPal.
Yes
N OT E : PayPal recommends that the value be the final review page on
which the customer confirms the order and payment.
Character length and limitations: no limit.
CANCELURL
The URL to which the customer is returned if the customer does not
approve the use of PayPal to pay the merchant.
Yes
N OT E : PayPal recommends that the value be the final review page on
which the customer confirms the order and payment.
Character length and limitations: no limit.
62
AMT
The total cost of the order to the customer. If shipping cost and tax
charges are known, include them in this value; otherwise, this value
should be the current subtotal of the order.
Limitations: Must not exceed $10,000 USD in any currency. No
currency symbol. Must have two decimal places, decimal separator
must be a period (.), and the optional thousands separator must be a
comma (,).
Yes
CURRENCYCODE
A three-character currency code for one of the PayPal-supported
transactional currencies.
Default value: USD
No
MAXAMT
The expected maximum total amount of the complete order, including
shipping cost and tax charges.
Limitations: Must not exceed $10,000 USD in any currency. No
currency symbol. Must have two decimal places, decimal separator
must be a period (.), and the optional thousands separator must be a
comma (,).
No
March 2008
PayPal Certified Developer Program Study Guide