--- title: "Confirm duplicate thesaurus" slug: "analytics-cloudsearch-checksynonymname" updated: 2026-09-17T09:48:02Z published: 2026-09-17T09:48:02Z canonical: "api.ncloud-docs.com/analytics-cloudsearch-checksynonymname" --- > ## Documentation Index > Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt > Use this file to discover all available pages before exploring further. # Confirm duplicate thesaurus Confirm whether there is a duplicate thesaurus. ``` GET https://cloudsearch.apigw.ntruss.com/CloudSearch/real/v1/domain/{name}/synonym/check/{synoName} ``` ## Request ### Request parameters | Parameter name | Requirement status | Type | Restrictions | Explanation | | --- | --- | --- | --- | --- | | name | Yes | string | | Domain name | | synoName | Yes | string | | Thesaurus name | ## Response ### Response statuses | HTTP status | Desc | | --- | --- | | 200 | OK (Thesaurus does not exist) | | 400 | Same named synonym exists | | 400 | Bad Request | | 401 | Unauthorized | | 403 | Forbidden | | 404 | Not Found | | 500 | Internal Server Error | ## Example ### Request example ``` GET https://cloudsearch.apigw.ntruss.com/CloudSearch/real/v1/domain/my_service/synonym/check/syno ``` ### Response example ``` {"result":"ok"} ```