PayPal Mobile Express Checkout Library - 2012 iOS Guida Utente Scaricare il pdf (Pagina 14)

14 January 2011 PayPal Mobile Express Checkout Library Developer Guide and Reference

Method Sequence with the PayPal Button in Your Mobile App

The following diagram illustrates the sequence of methods that embed only the mobile PayPal

payment pages in a web view within your mobile application.

IMPORTANT: Never send Express Checkout requests from your mobile application directly to

PayPal. The requests require your PayPal API credentials. Placing your credentials on mobile

devices exposes you and PayPal to unacceptable security risks. Send Express Checkout requests

only from secure servers.

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PayPal Mobile Express Checkout Library - 2012 iOS Guida Utente Pagina 14