---
title: "Ledger Architecture Builder"
method: POST
path: "/v1/tools/ledger_architecture_builder"
---

# Ledger Architecture Builder

`POST /v1/tools/ledger_architecture_builder`

## Request

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

Interactive double-entry ledger designer for fintech programmes. Configure accounts, architecture pattern (monolithic/event-sourced/multi-ledger), holds, reversals, chargeback flows. Outputs ledger diagram, event log structure, and Markdown architecture memo. Client-side. Works offline. Zero PII.

**Tool URL:** https://ainumbers.co/tools/154-ledger-architecture-builder.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `archPat` string
  - `consistency` string
  - `acctOperating` string
  - `acctReserve` string
  - `acctSuspense` string
  - `acctFee` string
  - `acctLiability` string
  - `acctChargeback` string
  - `txnVol` string
  - `holdsEnabled` string
  - `reversalsEnabled` string
  - `chargebackEnabled` 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)