---
title: "Korea LED replacement savings (household tiers or shop unit price)"
method: GET
path: "/api/v1/kr-led-savings"
---

# Korea LED replacement savings (household tiers or shop unit price)

`GET /api/v1/kr-led-savings`

## Request

- Base URL: `https://kwhmate.com`
- URL: `https://kwhmate.com/api/v1/kr-led-savings`
- Auth: none declared

Runs the same calculator as https://kwhmate.com/ko/led-savings/. Reference: 기준: 2026년 한전 주택용 저압 요금표(기타 계절) · 가게·사무실은 고지서 단가 직접 입력. Arrays: comma-separated. Also accepts POST with a JSON body.

## Query parameters

- `count` integer
- `hours_per_day` number
- `old_watts` number
- `new_watts` number
- `mode` 'home' | 'shop': home = KEPCO progressive tiers, shop = unit_price × kWh
- `other_kwh` number: home: monthly use without these lights
- `unit_price` number: shop: KRW per kWh
- `led_cost` number

## Response `200`

Result with source and page URL

- Result
  - `ok` boolean
  - `calculator` string
  - `title` string
  - `currency` string, nullable
  - `input` object
  - `result` object
  - `estimate` boolean
  - `reference` string: Reference date and official source
  - `page` string, uri
  - `disclaimer` string

## Other responses

- `400`: Invalid input
- `429`: Rate limited (60 requests per minute)

---

[API](https://skmtc.dev/kwhmate/apis/kwhmate-korea-survival-kit-calculators-api.md) · [All operations](https://skmtc.dev/kwhmate/apis/kwhmate-korea-survival-kit-calculators-api/llms.txt) · [OpenAPI document](https://skmtc.dev/kwhmate/apis/kwhmate-korea-survival-kit-calculators-api/revisions/90207915728b?raw)