---
title: "APP Fraud Liability Decision Matrix"
method: POST
path: "/v1/tools/app_fraud_matrix"
---

# APP Fraud Liability Decision Matrix

`POST /v1/tools/app_fraud_matrix`

## Request

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

Interactive decision tree for A2A fraud liability splits under UK PSR 2026, US Reg E, and EU PSD2. Outputs plain-text claim summary with regulatory rationale. Client-side only, zero PII.

**Tool URL:** https://ainumbers.co/tools/26-app-fraud-matrix.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `jurisdiction` string
  - `fraud_type` string
  - `scam_category` string
  - `is_vulnerable` string
  - `ignored_warning` string
  - `claim_amount` string
  - `claim_timing` string

## Response `200`

Successful tool execution result

- 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)