Prism Data's $20M Series A Bets Lenders Will Read the Bank Account Closer

Prism Data, a New York cash flow underwriting company, has raised a $20M Series A led by Story Ventures, with FINTOP, Core VC, Obvious Ventures, 1st & Main Growth Partners and Mana Ventures participating. The round was announced October 19, 2026.

Prism sells the interpretation layer between a customer's bank account and a lender's credit team, helping institutions evaluate the income, spending and obligations already moving through a customer's financial life. The pitch rests on a simple gap: a bank can hold a customer's deposits for years before those records become usable evidence in a lending decision, and a balance alone cannot explain whether money came from recurring work, a refund or another borrowing obligation.

The company said the proceeds will support its AI infrastructure, data science and a new generation of CashScore models built on REFRACT, its newly introduced transaction categorization engine. Prism plans to expand its work across consumer and small business lending in the US and Canada, with international ambitions over time.

Classification sits at the center of the technical story. Prism describes REFRACT as an AI engine trained on more than 30B transactions, intended to distinguish financial purposes that similar-looking bank entries can conceal. That matters because a scoring model inherits the quality of the information beneath it — recognizing a transfer accurately is part of deciding which evidence should influence an assessment of repayment capacity.

CashScore expresses risk derived from deposit activity as a 3-digit score. In Prism's described workflow, clients bring account data directly or through aggregators, share de-identified information and receive analytical outputs for uses including approval, pricing and portfolio management. The lender retains the decision about what credit to offer and on what terms.

The demand side is moving, if unevenly. A July account from Synchrony described offering some applicants the option to share bank activity when more information was needed for approval, inside a checkout experience measured in seconds. Synchrony said about 40% of applicants offered the option chose to share cash flow data, and roughly 40% of that group were approved, with 150,000 to 250,000 new accounts expected through the approach in 2026. Those are the lender's reported figures and forecast, not an allocation of results to Prism — Synchrony's own PRISM decisioning platform is a distinct system.

Prism reports that monthly API volume increased more than 100x over two years. Its Pulse product extends cash flow analysis beyond origination into ongoing monitoring, including credit line management, risk assessment and collections workflows, with changes in income, obligations and balances tracked across existing customer relationships. FairPlay reported a fairness assessment of CashScore in September covering proxy testing, underwriting outcomes and scorability.