---
title: "Discussion on \"ID 중복확인 API의 응답 형식 정하기 { isDuplicate: true } vs. { errorCode: DUPLICATE_ID }\" | Hashnode"
description: "Discussion on \"ID 중복확인 API의 응답 형식 정하기 { isDuplicate: true } vs. { errorCode: DUPLICATE_ID }\". ID 중복확인 API의 응답 형식 정하기 { isDuplicate: true } vs. { errorCode: DUPLICATE_ID }"
url: "https://hashnode.com/posts/validating-api-response-format/668400677dab3e6053cfc451"
---

[Feed](https://hashnode.com/feed) /

Discussion

# [ID 중복확인 API의 응답 형식 정하기 { isDuplicate: true } vs. { errorCode: DUPLICATE\_ID }](https://joony.hashnode.dev/validating-api-response-format?utm_source=hashnode&utm_medium=feed)

ID 중복확인 API의 응답 형식 정하기 { isDuplicate: true } vs. { errorCode: DUPLICATE\_ID }

Jul 2, 2024 · 5 min read · joony.hashnode.dev  
Updated Aug 4, 2024  
Read the article

-   [#id-api](https://hashnode.com/tag/id-api)
-   [#duplicate-check](https://hashnode.com/tag/duplicate-check)
-   [#validate-duplicate-id](https://hashnode.com/tag/validate-duplicate-id)
-   [#duplicate-id](https://hashnode.com/tag/duplicate-id)
-   [#exception-response](https://hashnode.com/tag/exception-response)
-   [#restful-api](https://hashnode.com/tag/restful-api)
-   [#rest-api](https://hashnode.com/tag/rest-api)
-   [#validation](https://hashnode.com/tag/validation)
-   [#api](https://hashnode.com/tag/api)
-   [#id](https://hashnode.com/tag/id)

## Written by

[Joony](https://hashnode.com/@joony)

@joony · Seoul, Korea

  
[View profile](https://hashnode.com/@joony)

development

## Responses

Markdown supported · ⌘↵ to post

No responses yet.