---
title: "ISA & LISA Eligibility Calculator"
method: POST
path: "/v1/tools/calculate_isa_lisa_eligibility"
tags: ["ISA", "LISA", "UK savings", "WealthTech", "tax-free", "annual allowance"]
---

# ISA & LISA Eligibility Calculator

`POST /v1/tools/calculate_isa_lisa_eligibility`

## Request

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

UK ISA and LISA eligibility, annual allowance calculation, and LISA government bonus modelling for 2024/25.

**Tool URL:** https://ainumbers.co/tools/449-isa-lisa-eligibility-calculator.html

## Request body

- object
  - `age` number, required
  - `already_isa` number
  - `already_lisa` number
  - `monthly_contribution` number

## 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)