PayPal Adaptive Payments - 2012 Podręcznik Użytkownika Pobierz pdf (Strona 57)

Adaptive Payments Developer Guide August 7, 2012 57

Introducing Adaptive Payments

Embedded Payments

Setting Up Web Pages to Invoke the Embedded Payment Flow Using a

Minibrowser

Use the JavaScript functions in

https://www.paypalobjects.com/js/external/apdg.js to set up and control the

embedded payment flow. This example shows how to initiate the embedded payment flow

after obtaining a payment key.

This example assumes that you obtain a payment key before initiating the flow and that the

key does not change or expire before the sender completes the flow.

To set up a web page to invoke the embedded payment flow:

1. Call the Pay API operation to obtain a valid pay key.

2. Create your form or button.

– You must include the pay key and redirect to

https://www.paypal.com/webapps/adaptivepayment/flow/pay.

– Optionally, include a preapproval key if you want to enable the selection of Preapproval

for future payments

–Set the expType parameter to mini to indicate your preference for the context in which

the PayPal payment flow is displayed.

<form action=

"https://www.paypal.com/webapps/adaptivepayment/flow/pay"

target="PPDGFrame">

<input id="paykey" type="hidden" name="paykey" value="AP-..."> <input

id="preapprovalkey" type="hidden" name="preapprovalkey" value="PA-...">

NOTE: To modify an existing application to use the embedded payment flow, change the

redirect from https://www.paypal.com/webscr?cmd=_ap-

payment&paykey=... to

https://www.paypal.com/webapps/adaptivepayment/flow/pay?

paykey=... after obtaining the pay key.

3. Include the PayPal JavaScript functions from apdg.js.

</script>

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PayPal Adaptive Payments - 2012 Podręcznik Użytkownika Strona 57