private Authorization getAuthorization(APIContext apiContext) throws PayPalRESTException {
// ###Details
// Let's you specify details of a payment amount.
Details details = new Details();
details.setShipping("0.03");
details.setSubtotal("107.41");
details.setTax("0.03");
// ###Amount
// Let's you specify a payment amount.
Amount amount = new Amount();
amount.setCurrency("USD");
amount.setTotal("107.47");
amount.setDetails(details);
// ###Transaction
// A transaction defines the contract of a
// payment - what is the payment for and who
// is fulfilling it. Transaction is created with
// a `Payee` and `Amount` types
Transaction transaction = new Transaction();
transaction.setAmount(amount);
transaction.setDescription("This is the payment transaction description.");
// The Payment creation API requires a list of
// Transaction; add the created `Transaction`
// to a List
List<Transaction> transactions = new ArrayList<Transaction>();
transactions.add(transaction);
// ###Address
// Base Address object used as shipping or billing
// address in a payment. [Optional]
Address billingAddress = new Address();
billingAddress.setCity("Johnstown");
billingAddress.setCountryCode("US");
billingAddress.setLine1("52 N Main ST");
billingAddress.setPostalCode("43210");
billingAddress.setState("OH");
// ###CreditCard
// A resource representing a credit card that can be
// used to fund a payment.
CreditCard creditCard = new CreditCard();
creditCard.setBillingAddress(billingAddress);
creditCard.setCvv2("874");
creditCard.setExpireMonth(11);
creditCard.setExpireYear(2018);
creditCard.setFirstName("Joe");
creditCard.setLastName("Shopper");
creditCard.setNumber("4417119669820331");
creditCard.setType("visa");
// ###FundingInstrument
// A resource representing a Payeer's funding instrument.
// Use a Payer ID (A unique identifier of the payer generated
// and provided by the facilitator. This is required when
// creating or using a tokenized funding instrument)
// and the `CreditCardDetails`
FundingInstrument fundingInstrument = new FundingInstrument();
fundingInstrument.setCreditCard(creditCard);
// The Payment creation API requires a list of
// FundingInstrument; add the created `FundingInstrument`
// to a List
List<FundingInstrument> fundingInstruments = new ArrayList<FundingInstrument>();
fundingInstruments.add(fundingInstrument);
// ###Payer
// A resource representing a Payer that funds a payment
// Use the List of `FundingInstrument` and the Payment Method
// as 'credit_card'
Payer payer = new Payer();
payer.setFundingInstruments(fundingInstruments);
payer.setPaymentMethod("credit_card");
// ###Payment
// A Payment Resource; create one using
// the above types and intent as 'authorize'
Payment payment = new Payment();
payment.setIntent("authorize");
payment.setPayer(payer);
payment.setTransactions(transactions);
Payment responsePayment = payment.create(apiContext);
return responsePayment.getTransactions().get(0).getRelatedResources().get(0).getAuthorization();
}