PayPal Express Checkout - 2013 Guide de l'utilisateur télécharger pdf (Page 22)

Billing Agreements and Reference Transactions

Obtaining the BAID With Express Checkout Purchase

22 Express Checkout for Payflow

FIGURE 2.1 Obtaining the BAID with Express Checkout purchase

The message flow consists of the following comments, which correspond to the circled

numbers in

Figure 2.1. The comments pertain specifically to setting up a billing agreement and

obtaining a BAID.

1. When the buyer chooses to set up a billing agreement, call the Set Express Checkout

request (ACTION=S) and pass the following information about the agreement:

– The billing type (required)

– A description of the goods or services associated with the agreement (optional)

– The type of PayPal payment you require (optional)

– A string for your use in any way (optional)

2. PayPal returns a TOKEN that you use in subsequent steps.

3. After the 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 to log in or set up a

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PayPal Express Checkout - 2013 Guide de l'utilisateur Page 22