
Getting Started With Express Checkout
Express Checkout Building Blocks
34 August 7, 2012 Express Checkout Integration Guide
Express Checkout Token Usage
Express Checkout uses a token to control access to PayPal and execute Express Checkout API
operations.
The SetExpressCheckout API operation returns a token, which is used by other Express
Checkout API operations and by the _ExpressCheckout command to identify the
transaction. The life of the token is approximately 3 hours.
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