TU4.0 User Guide (.pdf)
The TU4.0 User Guide describes the fixed-format inquiry (FFI) and fixed-format response (FFR) that are used in TU Release 4.0 Version 0 (TU4.0).
Last Updated: 10/03/2024
TU4.1 User Guide (.pdf)
The TU4.1 User Guide describes the fixed-format inquiry (FFI) and fixed-format response (FFR) that are used in TU Release 4.0 Version 1 (TU4.1).
Last Updated: 10/03/2024
TUXML User Guide (.pdf)
The TUXML User Guide describes how to use TUXML, TransUnion's XML schema, to request and receive applicable TransUnion services.
Last Updated: 10/03/2024
TUXML Schema 2.44 (.xsd)
This is the most current TUXML schema. No upgrade is required for current subscribers using existing services.
Last Updated: 10/08/2024
This document describes the updates to the latest version of the TUXML schema.
Last Updated: 10/08/2024