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How Agentic AI Cut Manual Underwriting by 65% for a US Digital Bank

How Agentic AI Cut Manual Underwriting by 65% for a US Digital Bank

A mid-size US digital bank processes 5,000–8,000 loan applications monthly across retail and SME lending portfolios, alongside high volumes of payment transactions and daily reconciliation cycles. Manual underwriting, reactive fraud response, and multi-day reconciliation were slowing operations and increasing risk exposure. Within the first year, BNXT deployed six autonomous AI agents across loan processing, fraud response, payment recovery, credit risk, reconciliation, and collections - cutting manual underwriting effort by 65%, fraud response time to under 2 minutes, and reconciliation cycles from days to hours.

Image representing case study

65%

Reduction in manual effort

85%

Payment failure recovery

4 Hrs

Reconciliation cycles

About  

Problem Statement

Every critical lending function ran on manual handoffs and reactive workflows:

  • Loan applications required manual document validation and routing - underwriters spent most of their time on cases that didn't need human judgment
  • Fraud detection flagged anomalies, but took no action - freezing accounts, escalating cases, and logging compliance trails all required manual steps
  • Failed payment transactions triggered alerts, not recovery - retry logic and alternate routing were handled manually or not at all
  • Credit risk relied on static scoring models with no real-time behavioral signal integration
  • Reconciliation across bank statements, ledgers, and payment gateway records ran on 3–5 day cycles, with mismatches resolved manually
  • Collections outreach was batch-driven and uniform - no segmentation, no adaptive strategy, no learning from response patterns

Industry: Financial Services / Digital Banking

Services: AI Product & Agentic AI Development

Region: United States

Our Tech Stack

Tech stack we used

Solution Approach

BNXT's AI services team built six coordinated autonomous agents, each owning a distinct function within the lending operation - connected to existing core systems rather than replacing them.

  • Loan Processing Agent: Reads submitted documents, validates KYC and income proof via AWS Textract and integrated KYC APIs, cross-checks eligibility against lending criteria, and calls the LOS and credit bureau directly. Cases clearing all thresholds are auto-approved; flagged cases route to underwriters with context already structured. The agent handles the straightforward majority, so underwriters only see what genuinely needs judgment.
  • Fraud Detection and Response Agent: Moves beyond flagging. On detecting a transaction anomaly, the agent freezes the account, triggers a verification workflow, notifies stakeholders, and logs a compliance trail - without manual intervention. Detection to response to audit log: under 2 minutes.
  • Payment Failure Recovery Agent: Monitors failed transactions and executes recovery autonomously. Starting from a baseline recovery rate of ~55%, the agent decides - retry on the same rail, reroute to an alternate rail, or credit a wallet fallback - based on failure type and transaction history. No alert raised, no team notified; the agent acts.
  • Credit Risk Intelligence Agent: Pulls bureau data, transaction history, and behavioral signals to generate a dynamic risk profile and lending decision recommendation. Underwriters receive a reasoned recommendation with threshold adjustments based on current financial behavior - not a raw static score.
  • Reconciliation and Ledger Matching Agent: Runs continuously across bank statements, internal ledgers, and payment gateway records. Simple mismatches auto-resolve; complex discrepancies escalate with structured reasoning so finance teams decide rather than investigate. Matching thresholds are configurable through a low-code rules layer - no engineering involvement required when criteria change.
  • Collections and Recovery Agent: Segments delinquent accounts by risk profile, debt age, and prior response behavior. Starting from a baseline contact effectiveness rate of ~28%, it selects outreach channel - SMS, WhatsApp, or voice via Twilio - and executes campaigns automatically, adjusting strategy per segment as response patterns emerge.

All six agents run on a shared cloud services infrastructure connected to the bank's core systems via Azure API Management. Operational performance across every workflow surfaces through a business intelligence layer in Power BI - resolution rates, escalation volumes, recovery rates, and decision audit trails in a single view.

Benefits

The 65% underwriting reduction changed where skilled people spent their time. Underwriters who previously cleared a queue of straightforward validations now handle complex income structures, borderline eligibility, and high-value SME applications. The volume held steady; the composition shifted entirely. Judgment-required cases up, routine processing out.

Fraud response saw the sharpest operational shift. The previous workflow had a structural gap between detection, alert, and action - in a live transaction environment, that gap is where damage compounds. Closing it to under 2 minutes wasn't an incremental improvement; it changed the risk profile of the fraud function.

For finance, reconciliation removing a 3–5 day bottleneck meant downstream work - reporting, period close, regulatory submissions - stopped waiting on it. Escalations that do reach the team arrive with reasoning already assembled; the work is a decision, not a reconstruction.

Collections moved from volume to precision. Uniform batch outreach treats every delinquent account identically; the agent segments by profile, debt age, and response history. Doubling contact effectiveness from ~28% to 55–60% reflects fewer, better-targeted touchpoints - not more outreach.

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