Table of Contents Name-Value Pair API Developer Guide and Reference Overview Introducing the PayPal NVP API Integrating with the PayPal API Basic Steps Create a Web Application Get API Credentials Create and Post the Request Interpret the Response Taking Your Application Live Set Up a PayPal Business Account Set Up API Credentials Modify Your Code Technical Details Request-Response Model Request Format Response Format Posting Using HTTPS Charging a Credit Card Using DoDirectPayment Final Sale Authorizing a Payment Recording the Final Shipping Address Including Subtotals of Item Cost, Shipping, Handling, and Tax Adding Line Item Details Accepting PayPal in Express Checkout Basic Checkout with PayPal 1. Starting the Checkout Using SetExpressCheckout 2. Redirecting the Customer’s Browser to PayPal Login Page 3. Getting Payer Details Using GetExpressCheckoutDetails 4. Making a Sale Using DoExpressCheckoutPayment Controlling the Shipping Address Using SetExpressCheckout Requiring a Confirmed Address Suppressing Display of Shipping Address on PayPal Overriding the Shipping Address Stored on PayPal Changing the Language on the PayPal Login Page Changing the Logo on the PayPal Pages Specifying a Custom Payment Page Style Specifying Logo and Color Settings Individually Form-Filling Your Payment Review Page Making a Sale Using DoExpressCheckoutPayment Authorizing for Single Capture Authorizing for Multiple Captures Changing the URL for IPN Including Line Item Details Using DoExpressCheckoutPayment Including Subtotals Using DoExpressCheckoutPayment Updating Transaction Details With DoExpressCheckoutPayment Updating Shipping Address With DoExpressCheckoutPayment Express Checkout for eBay Auctions Recurring Payments API Fraud Management Filters API Fraud Management Filters API Prerequisites ManagePendingTransactionStatus ManagePendingTransactionStatus Request ManagePendingTransactionStatus Response Back-Office Administration Capturing, Authorizing, Voiding, and Reauthorizing Making a Single Capture Using DoCapture Making Multiple Partial Captures Using DoCapture Including an Invoice Number and Note on the Capture Using DoCapture Refunding Using RefundTransaction Full Refund Partial Refunds Including a Note with the Refund Searching for Transactions Using TransactionSearch Viewing Details of a Single Transaction Using GetTransactionDetails NVP API Method and Field Reference General Characteristics of Requests and Parameters Parameters Multi-Value Fields PayPal-Supported Transactional Currencies DoDirectPayment DoDirectPayment Request DoDirectPayment Response Express Checkout SetExpressCheckout Request SetExpressCheckout Response GetExpressCheckoutDetails Request GetExpressCheckoutDetails Response DoExpressCheckoutPayment Request DoExpressCheckoutPayment Response Authorization & Capture DoAuthorization DoCapture DoReauthorization DoVoid RefundTransaction TransactionSearch GetTransactionDetails Mass Payment MassPay Request MassPay Response Recurring Payments and Reference Transactions CreateRecurringPaymentsProfile GetRecurringPaymentsProfileDetails ManageRecurringPaymentsProfileStatus BillOutstandingAmount UpdateRecurringPaymentsProfile SetCustomerBillingAgreement GetBillingAgreementCustomerDetails DoReferenceTransaction Non-Referenced Credits DoNonReferencedCredit GetBalance AddressVerify Error Message Reference Error Response Format Validation Errors General API Errors Direct Payment API Errors Express Checkout API Errors Authorization and Capture API Errors RefundTransaction API Errors TransactionSearch API Errors GetTransactionDetails API Errors MassPay API Errors Recurring Payments and Reference Transactions API Errors Recurring Payments Errors SetCustomerBillingAgreement Errors GetBillingAgreementCustomerDetails Errors DoReferenceTransaction Errors DoNonReferencedCredit API Errors Fraud Management Filters API Errors NVP API Web Samples Descriptions of the Samples Charging a Credit Card Using Direct Payment Accepting PayPal in Express Checkout Getting Transaction Details Common Files Sample API User with API Signature Samples Using Classic ASP Required Software Download and Unzip the Samples Installing the Samples Running the Samples Samples Using PHP Required Software Download and Unzip the Samples Installing the Samples Running the Samples Samples Using ColdFusion Required Software Download and Unzip the Samples Installing the Samples Running the Samples The Java SDK Installing the Java SDK Supported Standards Recommended Hardware Configuration Download and Unzip the SDK Post-installation Set-up Complete SDK and API Class Documentation SDK Logging Profiles Overview to Profile-related Classes Sample Applications Sample API User with API Signature Sample API User with API Certificate The ASP.NET SDK Installing the ASP.NET SDK Supported Standards Downloading and Installing the SDK Post-installation Set-up Optional Custom Configurations in Web.config SDK Logging Enabling Proxy Support Uninstalling the SDK Complete SDK and API Class Documentation Profiles Overview to Profile-related Classes Sample Applications Sample API User with API Signature Sample API User with API Certificate Installing the Samples in IIS Running the Samples The Ruby on Rails SDK Installing the Ruby on Rails SDK Supported Standards Recommended Hardware Configuration Installing the SDK Sample Applications Proxy Support Country Codes
