# Initiate Patch Scan for All Systems

Initiates a patch scan across all computers managed by the Endpoint Central server.

## Endpoint

`POST /api/1.4/patch/computers/scanall`

## Request

### Request URL

https://[*{serverurl}*](https://www.manageengine.com/products/desktop-central/help/api/cloud/oauth-authentication-endpoint-domain.html)/api/1.4/patch/computers/scanall

### Scope

`DesktopCentralCloud.PatchMgmt.CREATE`

### Header

`Authorization: Zoho-oauthtoken d92d4xxxxxxxxxxxxx15f52`

### Request Parameters

#### Query Parameters

- **customerid** `long` *(Optional)*

### Sample Request

```curl
curl --request POST \
  --url https://appdomains/api/1.4/patch/computers/scanall \
  --header 'Authorization: Zoho-oauthtoken  d92d4xxxxxxxxxxxxx15f52'
```

## Response

### HTTP Code 200

#### Response Body: application/json

`JSON Object`

- **message_type** `string`: Action identifier: computers
- **message_response** `JSON Object`: Response payload containing scan result
- **message_version** `string`: API version string (e.g., 1.4)
- **status** `string`: Overall operation status: success

### Sample Response: HTTP 200

Scan initiated for all managed computers

```json
{
  "message_type": "computers",
  "message_response": {
    "computers": {
      "status": "Scan initiated successfully"
    }
  },
  "message_version": "1.4",
  "status": "success"
}
```

### HTTP Code 400

#### Response Body: application/json

`JSON Object`

- **error_code** `string`: Error code: PATCH_SCAN_FAILED_CODE for scan failures
- **error** `string`: Error type: PATCH_SCAN_FAILED
- **error_description** `string`: Detailed failure reason: invalid resources, no managed computers, or scan already in progress

### Sample Response: HTTP 400

No managed computers found for user

```json
{
  "error_description": "Verify if the specified resources can be managed by this user or the resource scan status is already in in-progress state",
  "error_code": "PATCH_SCAN_FAILED_CODE",
  "error": "PATCH_SCAN_FAILED"
}
```

### Possible Response Codes

- **200**: HTTP code
- **400**: HTTP code

## Rate Limit

![](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.