Changelog: July 2022

Learn more about July’s releases, improvements, and fixes.

The Highlights

Token expiration

Whether mandated by PCI or by your organization's internal data retention policies, developers need the ability to purge data automatically. To help, we built the new “expires_at” property. The enhancement purges the data automatically from the Basis Theory system at a set <span class="code">expires_at</span> date and time.

Overwrite “card” and “bank” Token Type properties

Token Types are templates with pre-configure properties for some of the most popular types of sensitive data and their use cases. With the new enhancements to <span class="code">card</span> and <span class="code">bank</span> tokens, developers can now modify these templates to configure their Fingerprints, Search Indexes, Mask, and Alias properties using expressions

For example, the default <span class="code">mask</span> value for the <span class="code">card</span> Token Type defaults to revealing all but the last 4 of a card number. While this is great for validating a credit card, it’s less helpful if you’re trying to validate the card’s Bank Identification Number (BIN)—or the first six numbers of a credit card. With the changes, developers now only need to change the mask’s default expression from "mask": <span class="code">&lcub;&lcub; data | reveal_last: 4 &rcub;&rcub;</span> to "mask": <span class="code">&lcub;&lcub; data | reveal_first: 6 &rcub;&rcub;</span> to reveal the card’s BIN. 

Learn more about our token properties and expressions

Other stuff

Releases, Fixes & Improvements

  • Released new Aliasing enhancements to restrict invalid special characters and support the ‘id’ variable in Alias Expressions
  • Fixed Element communication issue in Safari
  • Fixed issue where copying Token IDs would open the Token details page
  • Improved log-in experience by emphasizing Github and Google buttons
  • Updated Concept Page for Tokens to help explain Token capabilities
  • Made Elements “auto-complete”-friendly
  • Improved color contrast for Web Portal
  • Made improvements to the mobile experience


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