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TransUnion Net Access Resources
Use the resources below to answer your questions about TransUnion Net Access (TUNA).
Get started with TransUnion Net Access.
Last Updated: 05/05/2023
Answers to frequently asked questions.
Last Updated: 05/05/2023
TUNA Troubleshooting Guide (.pdf)
Use this guide if you encounter any errors.
Last Updated: 05/05/2023
Information on the digital certificate chain and key sizes.
Last Updated: 01/12/2024
Instructions for the optional step of installing and testing the TUNA digital certificate in a web browser.
Last Updated: 05/05/2023
Instructions for installing the TUNA digital certificate on different server types.
Last Updated: 05/05/2023
Instructions for replacing a system ID and downloading a new digital certificate when a system ID is nearing expiration.
Last Updated: 05/05/2023
Documentation on TUNA-related tasks done on the CTS Portal.
Last Updated: 05/31/2023
Terminology for TUNA (.pdf)
Definitions for TUNA terminology.
Last Updated: 05/05/2023
An overview of TransUnion Net Access.
Last Updated: 05/05/2023
TUNA Documentation Set (.pdf)
The complete set of all TUNA documentation.
Last Updated: 06/02/2023
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