---
title: "控除上限額シミュレーション (GET — querystring)"
method: GET
path: "/api/furusato/limit"
---

# 控除上限額シミュレーション (GET — querystring)

`GET /api/furusato/limit`

総務省試算式の簡易版。 給与年収 + 家族構成 + 各種控除から実質負担¥2,000で済む寄付上限を概算。

## Query parameters

- `annual_income_jpy` integer, required
- `marital_status` 'single' | 'married'
- `partner_income_jpy` integer
- `dependents_adult` integer
- `dependents_elderly` integer
- `dependents_university` integer
- `dependents_minor` integer
- `social_insurance_jpy` integer
- `other_deductions_jpy` integer
- `income_type` 'salary' | 'self_employed'

## Response `200`

上限額の概算 + breakdown

---

[API](https://skmtc.net/localgov/apis/localgov-jp.md) · [All operations](https://skmtc.net/localgov/apis/localgov-jp/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/localgov/localgov-jp/revisions/d5ab9236ff26/schema)