# Initiate Patch Scan on Specified Systems Initiates a patch scan on specified systems to detect missing patches and vulnerabilities. ## Endpoint [POST /dcapi/patch/systems/scanSystems](https://www.manageengine.com/products/desktop-central/help/api/cloud/patch-scan-systems.html) ## Request ### Request URL https://[*{serverurl}*](https://www.manageengine.com/products/desktop-central/help/api/cloud/oauth-authentication-endpoint-domain.html)/dcapi/patch/systems/scanSystems ### Scope `DesktopCentralCloud.PatchMgmt.CREATE` ### Header `Authorization: Zoho-oauthtoken d92d4xxxxxxxxxxxxx15f52` ### Request Body `application/json` **JSON Object** - **resourceIds** `array` *(Optional)*: Array of resource IDs to scan. If empty, scans all systems. ### Sample Request ```curl curl --request POST \ --url https://appdomains/dcapi/patch/systems/scanSystems \ --header 'Authorization: Zoho-oauthtoken d92d4xxxxxxxxxxxxx15f52' \ --header 'content-type: application/json' \ --data '{}' ``` ### Sample Request Body Scan specific systems by resource ID ```json { "resourceIds": [ 301, 302, 303 ] } ``` ## Response Parameters ### HTTP Code 200 Response Body — `application/json` **JSON Object** - **status** `string`: Scan operation result message - **scannedCount** `string`: Number of systems for which scan was initiated ### Possible Response Codes - **200**: HTTP code ### Sample Response: HTTP 200 Scan initiated for 3 systems ```json { "scannedCount": 3, "status": "Scan initiated successfully" } ``` ## Rate Limits ![](https://www.zohowebstatic.com/sites/zweb/images/people/ico-help.png) **Duration:** 1 minute | **Threshold:** 30 | **Lock period:** 5 minutes Duration — Time window for the threshold. Threshold — Number of API calls allowed within the specified duration. Lock Period — Wait time before consecutive API requests.