TransUnion LLC: Access a full range of technical resources

SSL 3.0 no longer supported by TransUnion

Beginning April 12, 2015, TransUnion will no longer support Secure Sockets Layer (SSL) 3.0. The preferred Internet Browser versions include:
  • Internet Explorer (IE), versions 7-11(v11 highly preferred)
  • Google Chrome, versions 1-40
  • Mozilla Firefox, versions 1-36

More Info

Test Subject Changes Completed! June 21, 2014

The test environment change first announced in the April General Announcement was successfully completed on June 21, 2014.

The enhancement will provide additional, more robust test subjects with multiple ranges of historical data that will be more compatible with CreditVision and other services. These subjects have been posted to the Test Subjects page and shown below:

Test Subjects - 6/21/2014 Test Environment Update (. xls) Last Updated: 06/21/2014
REMINDER - Some of the current subjects will not be reflected in the updated test environment, and a minimal amount of subjects will show data changes. These subjects were posted to the Test Subjects page on May 1, 2014 and are shown below:

Changed Test Subjects (. xls) Last Updated: 05/01/2014
Test subjects changed due to the June 21, 2014 test environment update. It is recommended to remove any subject that appears on this list from test beds created before June 2014.
Dropped Test Subjects (. xls) Last Updated: 05/01/2014
Test subjects that will no longer appear in the test environment due to the June 21, 2014 update. Using any subject on this list will return a nohit.

Please contact Client Technical Support with questions concerning testing needs.


Receive answers to the most commonly asked technical questions.

Troubleshooting Guide

Access tips to help resolve common transaction-based error conditions.

Legal and Regulatory Announcements

Stay abreast of the latest legal, regulatory and Fair Credit Reporting Act (FCRA) requirements that may affect your business.