---
title: "Tax-Efficient Investment Wrapper Optimizer"
method: POST
path: "/v1/tools/433_tax_wrapper_optimizer"
---

# Tax-Efficient Investment Wrapper Optimizer

`POST /v1/tools/433_tax_wrapper_optimizer`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/433_tax_wrapper_optimizer`
- Auth: none declared

Compare after-tax returns across ISA, SIPP, GIA (UK) and Roth IRA, Traditional IRA, 401k, Taxable (US). Model contribution limits, tax relief, withdrawal taxation, and 30-year projections. Client-side. Zero PII.

**Tool URL:** https://ainumbers.co/tools/433-tax-wrapper-optimizer.html
**AP2/Policy Mandate export:** yes

## Request body

- object

## 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)