Developer's Guide
Table Of Contents
- Contents
- Introduction
- Downloading, Installing, and Activating
- Simple Payflow Transaction
- Credit Card Transactions
- Credit Card Features
- About Credit Card Processing
- Parameters Used in Credit Card Transactions
- Submitting Sale Transactions
- Submitting Authorization/Delayed Capture Transactions
- When To Use Authorization/Delayed Capture Transactions
- Required Authorization Transaction Parameters
- Typical Authorization Transaction Parameter String
- Required Delayed Capture Transaction Parameters
- Delayed Capture Transaction: Capturing Transactions for Lower Amounts
- Delayed Capture Transaction: Capturing Transactions for Higher Amounts
- Delayed Capture Transaction: Error Handling and Retransmittal
- Submitting Account Verifications With TRXTYPE=A
- Submitting Voice Authorization Transactions
- Submitting Credit Transactions
- Submitting Void Transactions
- Submitting Inquiry Transactions
- Recharging to the Same Credit Card (Reference Transactions)
- Submitting Card-Present (SWIPE) Transactions
- Submitting Purchasing Card Transactions
- Using Address Verification Service
- Processing Platforms Supporting Address Verification Service
- Example Address Verification Service Request Parameter List
- Example Address Verification Service Response
- Card Security Code Validation
- Credit Card Testing
- Responses to Transaction Requests
- Processors Requiring Additional Transaction Parameters
- Performing TeleCheck Electronic Check Transactions
- Submitting Purchasing Card Level 2 and Level 3 Transactions
- About Purchasing Cards
- About Program Levels
- About American Express Purchasing Card Transactions - Phoenix Processor
- American Express Phoenix Purchasing Card Transaction Processing
- First Data Merchant Services (FDMS) Nashville Purchasing Card Transaction Processing
- First Data Merchant Services (FDMS) North Purchasing Card Transaction Processing
- First Data Merchant Services South (FDMS) Purchasing Card Transaction Processing
- Global Payments - Central Purchasing Card Transaction Processing
- Global Payments - East Purchasing Card Transaction Processing
- Merchant e-Solutions Purchasing Card Transaction Processing
- Elavon (Formerly Nova) Purchasing Card Transaction Processing
- Paymentech Salem (New Hampshire) Purchasing Card Transaction Processing
- Paymentech Tampa Level 2 Purchasing Card Transaction Processing
- TSYS Acquiring Solutions Purchasing Card Transaction Processing
- VERBOSITY: Viewing Processor- Specific Transaction Results
- Additional Reporting Parameters
- ISO Country Codes
- Codes Used by FDMS South Only
- XMLPay
- Additional Processor Information
- Index
Payflow Pro Developer’s Guide 13
1
Introduction
About Payflow Pro
Payflow Pro is a high performance TCP/IP-based internet payment solution that resides on
your computer system. You can download it in the following forms from the SDKs and
Downloads page on PayPal Developer Central:
z .NET library
z Java library
z HTTPS interface
Using the HTTPS interface, you can build your own API by posting directly to the Payflow
servers via HTTPS.
NOTE: If you prefer to have Payflow Pro integration performed for you, you can obtain
Payflow Pro pre-integrated with leading e-commerce solutions. For a list of pre-
integrated solutions, see the Partner Solutions>Shopping Carts page on PayPal
Developer Central.
Payflow Pro Documentation
Payflow Pro is described in the Payflow Pro documentation set on PayPal Developer Central.
If you are implementing PayPal as a solution into your website, use this guide for general
guidelines and guidelines on integrating credit card processing. If you are also implementing
PayPal Express Checkout as a payment solution, see the Express Checkout for Payflow Pro
guide for integration details.
Host Addresses
Use the following host addresses for the Payflow V4 SDK:
z For live transactions, use payflowpro.paypal.com
z For testing purposes, use pilot-payflowpro.paypal.com
How Payflow Pro Works
Payflow Pro uses a client/server architecture to transfer transaction data from you to the
processing networks, and then returns the authorization results to you. Payflow Pro can
process real-time credit card transactions and other transaction types to most of the financial
processing centers in the United States.