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United StatesFinance and insurance2021 – ongoing

VyStar Credit Union

Zest AI credit card underwriting

VyStar reported 23% more credit card approvals for protected groups after introducing Zest AI

WorkingCompany's own claim

Problem

VyStar wanted to extend credit to applicants overlooked by traditional scoring. It also sought to reduce differences in access between applicant groups.

Approach

VyStar introduced Zest AI underwriting software in 2021. The software used machine learning to assess borrower information beyond traditional credit scoring.

Results

23%more credit card approvals for protected groups previously denied, according to VyStar's lending chiefCompany's own claim[1]

Takeaway

VyStar reported approval changes separately for protected and nonprotected groups. Those figures did not establish subsequent repayment performance.

Categories

Business function
Finance, risk and legal
Innovation type
Process innovation
Evidence
Company's own claim

Sources

  1. Zest Gives Credit Scores a Reboot
    Los Angeles Business Journal2 Aug 2021News article

Source summaries

[1]Los Angeles Business Journal2 Aug 2021

The newspaper interviewed VyStar's lending chief about its rollout. She reported 23% more credit card approvals for protected groups previously denied.

Full details are in the original sources.

Added 1 Nov 2026 · Updated 1 Nov 2026
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