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 55
Submitting Credit Card Transactions
Submitting Authorization/Delayed Capture Transactions
6
TRXTYPE=A&TENDER=C&PARTNER=PayPal&USER=SuperUser&PWD=SuperUserPasswo
rd&AMT=0.00&ACCT=378282246310005&EXPDATE=1215&INVNUM=PONUM1&VERBOSIT
Y=HIGH&BILLTOZIP=95031
This is the response:
RESULT=0&PNREF=VFHA0FF8F27D&RESPMSG=Verified&AUTHCODE=667PNI&AVSADDR
=X&AVSZIP=X&HOSTCODE=A&PROCAVS=U&AMEXID=123456789012345&AMEXPOSDATA=
123456789012&TRANSTIME=2011-01-
11 18:42:01&AMT=0.00&ACCT=0005&EXPDATE=1215&CARDTYPE=3&IAVS=X
Submitting Authorization/Delayed Capture Transactions
An authorization (TRXTYPE=A) transaction places a hold on the cardholder’s open-to-buy
limit, lowering the cardholder’s limit by the amount of the transaction. It does not transfer
funds.
Perform a delayed capture (TRXTYPE=D) transaction after an authorization to capture the
original authorization amount. PayPal schedules the delayed capture for settlement during the
next settlement period.
Because Visa and MasterCard regulations prohibit capturing credit card payments until the
buyer receives the product or service, most processing networks implement an authorization
followed by a delayed capture.
NOTE: PayPal Payments Advanced and Payflow Link users cannot submit authorization
transactions unless they obtain the Payflow SDK.
When to Use Authorization/Delayed Capture Transactions
If your business does not provide immediate fulfillment of products or services, PayPal
recommends that you use delayed capture processing. It enables you to capture credit card
payments when you are ready to collect them.
NOTE: If you signed up for the PayPal processor with Fraud Protection Services, use delayed
capture processing for all sale transactions.
If your business provides immediate fulfillment and you are not using the PayPal processor
with Fraud Protection Services, you can use a simple sale transaction instead. For details, see
“Submitting Sale Transactions” on page 69. To recharge a credit card when you are not storing
credit card information in your local database, perform a new reference transaction based on a
sale. For details, see “Submitting Reference Transactions (Tokenization)” on page 66.
NOTE: You are allowed to perform one delayed capture transaction per authorization
transaction.