---
title: "Open Finance Credit Signal Mapper · T243 · Cat-20"
method: POST
path: "/v1/tools/open_finance_credit_signal_mapper"
---

# Open Finance Credit Signal Mapper · T243 · Cat-20

`POST /v1/tools/open_finance_credit_signal_mapper`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/open_finance_credit_signal_mapper`
- Auth: none declared

Model how CFPB 1033 / PSD3 open banking data improves SME underwriting. Credit signal quality assessment, underwriting improvement estimate, Policy Mandate JSON export. Modelling tool — no real data processed. Client-side. Works offline. Zero PII.

**Tool URL:** https://ainumbers.co/tools/243-open-finance-credit-signal-mapper.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `jurisdiction` 'uk' | 'us' | 'eu' | 'au', required: Regulatory jurisdiction
  - `currentApproach` 'trad' | 'supplemented' | 'hybrid' | 'advanced', required: Current underwriting approach
  - `dataMonths` 3 | 6 | 12 | 24, required: Months of historical transaction data available
  - `smeSector` 'retail' | 'services' | 'manufacturing' | 'hospitality' | 'construction', required
  - `selectedSignalIds` string[], required

## Response `200`

Successful tool execution result

- object
  - `signalScore` number
  - `tier` 'High Quality' | 'Moderate Quality' | 'Limited Quality' | 'Low Quality'
  - `accuracyImpPct` number: Estimated credit decision accuracy improvement %
  - `fpReductionPct` number: Estimated false positive reduction %
  - `complianceScore` number
  - `regulatoryStatus` string
  - `signalResults` object[]

---

[API](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite.md) · [All operations](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/llms.txt) · [OpenAPI document](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/revisions/b462e4f5bb28?raw)