---
title: "Basel III/IV RWA Credit Risk Calculator"
method: POST
path: "/v1/tools/calculate_basel_rwa"
tags: ["Basel III", "Basel IV", "CRR3", "RWA", "credit risk", "capital", "SA", "regulatory capital"]
---

# Basel III/IV RWA Credit Risk Calculator

`POST /v1/tools/calculate_basel_rwa`

## Request

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

Calculates Risk-Weighted Assets under the Basel III/CRR3 Standardised Approach. Covers all major exposure classes with full CRR3/Basel IV risk weight table. Produces capital requirement calculations and an AP2 risk parameter mandate.

**Tool URL:** https://ainumbers.co/tools/201-basel-rwa-calculator.html
**AP2/Policy Mandate export:** yes

## Request body

- object
  - `framework` 'crr3' | 'b3', required
  - `exposures` object[], required

## Response `200`

Successful tool execution result

- object
  - `total_ead` number
  - `total_rwa` number
  - `capital_req` number: 8% minimum capital requirement
  - `tier1_min` number
  - `cet1_min` number
  - `avg_rw_pct` number
  - `output_floor` number: 72.5% output floor (CRR3)

---

[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)