---
title: "IRRBB Standardised Approach Mapper"
method: POST
path: "/v1/tools/map_irrbb_standardised_approach"
tags: ["TODO_TAGS_REVIEW", "TODO_AP2_EXPORT_REVIEW"]
---

# IRRBB Standardised Approach Mapper

`POST /v1/tools/map_irrbb_standardised_approach`

## Request

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

Map non-maturing deposit (NMD) positions to the EBA standardised / simplified-standardised approach behavioural caps (BCBS d368 para 87 / Annex 2): retail transactional core proportion capped at 90% / average maturity capped at 5 years; retail non-transactional (savings) core capped at 70% / 4.5 years; wholesale core capped at 50% / 4 years. Flags behavioural-option add-ons (e.g. mortgage prepayment) requiring separate treatment. Root node of the irrbb-measurement-and-disclosure chain. NaN-safe. Zero network, zero PII.

**Tool URL:** https://ainumbers.co/chaingraph/art-186-irrbb-standardised-approach-mapper.html

## Request body

- object
  - `positions` unknown

## Response `200`

Successful tool execution result

- object
  - `behavioural_mortgage_prepay_pct` integer
  - `behavioural_option_addon_required` boolean
  - `core_capped` boolean
  - `core_deposit_pct_applied` integer
  - `core_deposit_pct_input` integer
  - `deposit_category` string
  - `maturity_cap_years` integer

---

[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)