TransUnion can help as you program your system to automate your transaction processing using the TU4.0, TU4.1, or TUXML format.
Find out which common online access methods you can use to connect to TransUnion.
Review basic processing rules to learn how to construct a TU4.0 or TU4.1 fixed format inquiry and understand the fixed format response.
View definitions of input and output codes, including name, address, trade account, industry, and permissible purpose / use type codes.
Learn more about TransUnion's dedicated test facility, including access instructions, hours of availability, and use of test subjects.
As a software provider or system processor, find out how you can integrate TransUnion solutions into your platform offerings.
View code examples for TUXML requests and responses.
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