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Adaptive Payments Developer Guide August 7, 2012 213

Refund API Operation

Refund API Overview

Refunds that apply to a PayPal transaction associated with the payment

Refund Notifications

Notifications are sent after the refund is complete:

 PayPal sends an email to all PayPal account holders affected by the refund.

 PayPal sends an IPN message to the URL specified in the ipnNotificationUrl field of

the Pay request.

Additional Notes About the Refund API Operation

1. Payments made using the Pay API operation cannot be refunded using the

RefundTransaction API operation. You must use the Refund API operation or log in

to PayPal to issue the refund.

2. A personal account holder cannot grant API access to a third party. A personal account

holder must issue the refund by specifying the transaction ID, or by logging in to

paypal.com to make the refund.

3. A payment made using the Pay API operation cannot be refunded by logging in to

paypal.com if the fees cannot be refunded. In these cases, you must use the Refund API

operation to issue the refund.

4. In the refund request, specify the payment using either the pay key, transaction ID, or

tracking ID; it is not recommended to specify more than one of these arguments, unless

they identify the same payment. If the arguments do not belong to the same payment, the

transaction ID is used; next, it uses the payment key. If more than one way is specified, the

ID is never used.

5. With the Adaptive Payments Pay API operation, you can make payments to a person who

does not have a PayPal account. In essence, you send a payment request that includes an

email address for a receiver, and this email address is not linked to a registered PayPal

account. The receiver receives an email notifying the receiver to create an account and

claim the payment. Supporting features include email notifications and IPNs to the sender,

receiver, and API caller, plus the ability to cancel unclaimed payments.

You can make such a payment in the same way that you make any other kind of payment;

however, PayPal holds a payment to a receiver whose email address is not yet registered or

confirmed until the receiver creates a PayPal account and confirms the email address. If a

refund specifies a receiver whose email address is not yet registered or confirmed, the

payment to the receiver is canceled.

Field Description

transactionId A PayPal transaction ID associated with the receiver whose

payment you want to refund to the sender. Use field name

characters exactly as shown.

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PayPal Adaptive Payments - 2012 Guía de usuario Pagina 213