TransUnion Business
Client Technical Services
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Document Repository
Issues and Solutions
Issues and Solutions
System Coding
System Coding
Online Batch Users
Online Batch Users
Announcements
Announcements
Contact Us
Contact Us
Connectivity / Access
Processing Rules
Code Definitions
Testing
Accessing the Test Database
Test Database Updates
Test Subjects
Platform Integration Management
Platform Integration FAQs
Platform Alliance Program
TUXML Code Examples
Contact Identity Services
Decision System Services
IDA Model Report
L2C Model Report
TruAudience Small Business Append
TruLookup ID Report
TruLookup ID Search
TruLookup Skip Tracing
TruLookup SSN Report
TruLookup SSN Search
TruValidate Compliance Verification 2.0
TruValidate Identity Verification 2.0
TruVision Account Reporting Review
TruVision Auto & Property Insight Platform
TruVision Collection Credit Report
TruVision Collection Prioritization 2.0
TruVision Credit Report
TruVision Driving History Solutions
TruVision Employment Credit Report
TruVision Model Report
TruVision Vehicle History Score Report
TransUnion can help as you program your system to automate your transaction processing using the TU4.0, TU4.1, or TUXML format.
Connectivity / Access
Find out which common online access methods you can use to connect to TransUnion.
Testing
Learn more about TransUnion's dedicated test facility, including access instructions, hours of availability, and use of test subjects.
Processing Rules
Review basic processing rules to learn how to construct a TU4.0 or TU4.1 fixed format inquiry and understand the fixed format response.
Platform Integration Management
As a software provider or system processor, find out how you can integrate TransUnion solutions into your platform offerings.
Code Definitions
View definitions of input and output codes, including name, address, trade account, industry, and permissible purpose / use type codes.
TUXML Code Examples
View code examples for TUXML requests and responses.
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Contact Us
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Online
Client Technical Support
Phone
800-813-5604
Hours: 24x7
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Phone
866-810-2636
Hours: 8 am - 7 pm ET
Personal
Phone
800-916-8800
Hours:
M-F 8 am - 11 pm ET
S-S 8 am - 5 pm ET
Related Links
User Guides and Manuals
View and/or download full automated inquiry user guides.
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