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PayPal P11-101 Exam
PayPal Certified Developer: Payments (Page 3 )

Updated On: 7-Feb-2026
Page 3 of 24
PDF with 113 Questions

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?

  1. UNCONFIRMED
  2. UNILATERAL
  3. INVALID
  4. FAIL
  5. UNVERIFIED

Answer(s): C



What is the correct sequence of these operations for executing an Instant Update API call?
1. POST shipping options to PayPal
2. Extract shipping address token from Instant Update message
3. API call to postal carrier to calculate rate based on shipping address
4. Call GetExpressCheckoutDetails to obtain buyer's shipping options

  1. 2, 4, 3, 1
  2. 4, 1, 2, 3
  3. 4.2, 3, 1
  4. 2, 3, 1, 4

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?

  1. CALLBACK
  2. CALLBACKPAGE
  3. CALLBACKTIMEOUT
  4. CALLBACKVERSION
  5. CALLBACKMETHOD

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?

  1. He should use himself as the primary receiver if it is a chained payment.
  2. All receivers of a guest payment need to be either Premier or Business verified PayPal accounts.
  3. He should not specify the sender's email in the Pay API call that sets up the payment.
  4. He should not use embedded payment flow for Adaptive Payments since guest checkout function is not available in it.
  5. He should store the payer's credit card information in his site/application.

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?

  1. EMAIL
  2. MERCHANTID
  3. SELLEREMAIL
  4. SUBJECT

Answer(s): D






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