---
title: "로그인 아이디 중복확인"
method: POST
path: "/api/v1/auth/check/loginid"
tags: ["Auth"]
---

# 로그인 아이디 중복확인

`POST /api/v1/auth/check/loginid`

## Request body

- CheckLoginIdRequest
  - `id_login` string

## Response `200`

OK

- WinclResponseDataCheckLoginIdResponse
  - `code` string
  - `data` CheckLoginIdResponse
    - `conflict` boolean
  - `message` string

## Other responses

- `201` — Created
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `919` — INVALID_LOGIN_ID

---

[API](https://skmtc.net/wincl/apis/wincl-api.md) · [All operations](https://skmtc.net/wincl/apis/wincl-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/wincl/wincl-api/versions/662edcbbf2b3/schema)