PayPal Express Checkout - 2013 Guida Utente Scaricare il pdf (Pagina 21)

Express Checkout for Payflow 21

Billing Agreements and Reference Transactions

Obtaining the BAID With Express Checkout Purchase

 When the buyer is making a purchase

Say that you have implemented Express Checkout on your website. The buyer logs in to

purchase an item of merchandise and chooses PayPal to pay for it. In the normal Express

Checkout flow, the buyer is then redirected to PayPal to log in to verify their billing

information. If the buyer approves payment on the PayPal Review page, you receive the

billing agreement as part of the transaction.You can use that billing agreement later to bill the

buyer a set amount on a recurring basis, such as once-a-month, for future purchases. The buyer

doesn’t need to log into PayPal each time to make a payment.

 When the buyer is not making a purchase

Typically, the buyer chooses a billing agreement without making a purchase when they

subscribe for merchandise they will pay for on a recurring schedule. If, for example, the buyer

logs in to your website to order a magazine subscription, you set up an agreement to bill the

buyer on a scheduled basis—say, once a month. In the billing agreement flow without

purchase, the buyer is redirected to PayPal to log in. On the PayPal site, they consent to the

billing agreement. Next month, when you send the buyer the first magazine issue, the billing

agreement authorizes you to start charging the buyer’s PayPal account on the agreed upon

recurring basis without having the buyer log in to PayPal.

The following pages describe ways to obtain a BAID:

 “Obtaining the BAID With Express Checkout Purchase” on page 21

 “Obtaining the BAID Without Express Checkout Purchase” on page 25

Obtaining the BAID With Express Checkout Purchase

To set up the billing agreement and obtain the BAID when the buyer makes an Express

Checkout purchase from your website, you need only provide additional parameters and

values in the Express Checkout calls.

Figure 2.1 summarizes the flow.

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PayPal Express Checkout - 2013 Guida Utente Pagina 21