Developer's Guide
Table Of Contents
- Content
- Preface
- Introducing the Gateway Checkout Solutions
- Secure Token
- Configuring Hosted Checkout Pages
- Payflow SDK
- Sending a Simple Transaction to the Server
- Submitting Credit Card Transactions
- Obtaining an Internet Merchant Account
- About Credit Card Processing
- Credit Card Features
- Planning Your Gateway Integration
- Core Credit Card Parameters
- Submitting Account Verifications
- Submitting Authorization/Delayed Capture Transactions
- Submitting Balance Inquiry Transactions
- Submitting Card Present (SWIPE) Transactions
- Submitting Credit Transactions
- Submitting Inquiry Transactions
- When To Use an Inquiry Transaction
- Required Parameters When Using the PNREF
- Inquiry Transaction Parameter String Using the PNREF
- Required Parameters When Using the CUSTREF
- Inquiry Transaction Parameter String Using the CUSTREF
- Required Parameters When Using the Secure Token
- Inquiry Parameter String Using the Secure Token
- Submitting Partial Authorizations
- Submitting Purchasing Card Transactions
- Submitting Reference Transactions (Tokenization)
- Submitting Sale Transactions
- Submitting Soft Merchant Information
- Submitting Voice Authorization Transactions
- Submitting Void Transactions
- Using Address Verification Service
- Using Card Security Code
- Testing Transactions
- Transaction Responses
- Processors Requiring Additional Transaction Parameters
- American Express Additional Credit Card Parameters
- Elavon Additional Credit Card Parameters
- First Data Merchant Services Nashville, Additional Credit Card Parameters
- First Data Merchant Services North, Additional Credit Card Parameters
- Heartland, Additional Credit Card Parameters
- Litle Additional Credit Card Parameters
- Merchant e-Solutions, Additional Credit Card Parameters
- Paymentech Salem (New Hampshire) Additional Credit Card Parameters for American Express
- PayPal Credit Card Transaction Request Parameters
- SecureNet Additional Credit Card Parameters for American Express
- Vantiv Additional Credit Card Parameters
- WorldPay Additional Credit Card Parameters
- TeleCheck Electronic Check Processing
- Submitting Purchasing Card Level 2 and Level 3 Transactions
- About Purchasing Cards
- About Program Levels
- About American Express Purchasing Card Transactions
- American Express Purchasing Card Transaction Processing
- Elavon (Formerly Nova) 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
- Heartland Purchasing Card Transaction Processing
- Litle Purchasing Card Transaction Processing
- Merchant e-Solutions Purchasing Card Transaction Processing
- Paymentech Salem (New Hampshire) Purchasing Card Transaction Processing
- Paymentech Tampa Level 2 Purchasing Card Transaction Processing
- SecureNet Purchasing Card Transaction Processing
- TSYS Acquiring Solutions Purchasing Card Transaction Processing
- Vantiv Purchasing Card Transaction Processing
- WorldPay Purchasing Cards Transaction Processing
- VERBOSITY: Viewing Processor- Specific Transaction Results
- ISO Country Codes
- Codes Used by FDMS South Only
- PayPal Acquirer
- Additional Processor Information
- Payflow Link Migration
Gateway Developer Guide and Reference 31 July 2012 87
8
Transaction Responses
When a transaction finishes, the Payflow server returns a response string made up of name-
value pairs. The following is an example response string:
RESULT=0&PNREF=EFHP0D426A53&RESPMSG=APPROVED&AUTHCODE=25TEST&AVSADDR=Y&AVSZ
IP=N&CVV2MATCH=Y
Credit Card Transaction Responses
The table below describes values that can be returned in response strings.
Field Description
PNREF Gateway transaction ID, a unique number that identifies the transaction.
Character length and limitations: 12 alphanumeric characters
PPREF Unique transaction ID of the payment.
Character length and limitations: 17-character string
RESULT The outcome of the attempted transaction. RESULT=0 means the transaction was
approved.
NOTE: For account verification transactions, RESULT=0 with RESPMSG=Verified
means a zero dollar authorization has been successfully performed.
NOTE: The PayPal processor may also return a warning message in the RESPMSG
string when RESULT=0. For more information on corrective actions, see the
PayPal developer documentation on the PayPal developer website.
Any other value for RESULT indicates a decline or error.
Character length and limitations: variable length, numeric
CVV2MATCH Result of the card security code (CVV2) check. The issuing bank may decline the
transaction if there is a mismatch. In other cases, the transaction may be approved
despite a mismatch.
Character length and limitations: 1 alpha character (Y, N, X, or no response)