---
title: "Pillar 3 Disclosure Builder"
method: POST
path: "/v1/tools/pillar_3_disclosure_builder"
tags: ["pillar-3", "bcbs-309", "bcbs-400", "km1", "ov1", "liq1", "liq2", "disclosure", "regulatory-reporting", "capital", "liquidity"]
---

# Pillar 3 Disclosure Builder

`POST /v1/tools/pillar_3_disclosure_builder`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/pillar_3_disclosure_builder`
- Auth: none declared

Assemble Basel III Pillar 3 disclosure tables per BCBS 309 (March 2017) and BCBS 400 (December 2018). Generates KM1 (key metrics), OV1 (overview of RWAs by risk type), LIQ1 (LCR detail), and LIQ2 (NSFR detail). Consumes outputs from T201 (RWA), T469 (LCR), T470 (NSFR), T471 (leverage ratio). Verify row definitions against EBA ITS (EU) or PRA rules (UK). Tier 1 Policy Mandate JSON + Markdown. Client-side. Works offline. Zero PII.

**Tool URL:** https://ainumbers.co/tools/472-pillar-3-disclosure-builder.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `bank_name` string
  - `period` string
  - `cet1_ratio` number, required: CET1 ratio %
  - `t1_ratio` number, required
  - `tc_ratio` number, required
  - `rwa` number, required: Total RWA (m)
  - `lr_pct` number, required: Leverage ratio %
  - `lcr_pct` number, required: LCR %
  - `nsfr_pct` number, required: NSFR %
  - `cr_rwa` number
  - `mr_rwa` number
  - `or_rwa` number
  - `hqla_m` number
  - `gross_out` number
  - `net_inf` number
  - `nco` number
  - `asf_m` number
  - `rsf_m` number

## Response `200`

Successful tool execution result

- object
  - `km1` object: KM1 key metrics table
  - `ov1` object: OV1 RWA overview table
  - `liq1` object: LIQ1 LCR detail table
  - `liq2` object: LIQ2 NSFR detail table

---

[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)