When the data passed back to PayPal to check on its authenticity through IPN is not the same as the data sent from PayPal you get a response of a single word. What word is that?
Answer(s): C
What is the correct sequence of these operations for executing an Instant Update API call?1. POST shipping options to PayPal2. Extract shipping address token from Instant Update message3. API call to postal carrier to calculate rate based on shipping address4. Call GetExpressCheckoutDetails to obtain buyer's shipping options
Answer(s): D
When using the Instant Update/Callback API with Express Checkout, which three of the following are valid variables that need to be passed over in the SetExpressCheckout API call?
Answer(s): A,C,D
Sam uses Adaptive Payments' Pay API to set up payments so he is the API caller. He would like to allow "guest payment" ("guest checkout"): that is, the payer does not have to have a PayPal account but can make the payment using a credit card. To achieve that which two of the following should Sam make sure of?
Answer(s): B,C
When you (as a developer, using your own API credentials) are running Express Checkout API calls on behalf of a merchant what variable can you use to pass the merchant's PayPal account email address so that the payment is associated with the merchant's account?
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