# Retrieve the list of certificates across managed computers

Returns the list of installed certificates detected across managed computers. Supports filtering by name and pagination.

## Endpoints

**GET** `/dcapi/inventory/computers/certificates`

## Request URL

`https://[{serverurl}](https://www.manageengine.com/products/desktop-central/help/api/cloud/oauth-authentication-endpoint-domain.html)/dcapi/inventory/computers/certificates`

## Scope

`DesktopCentralCloud.Inventory.READ`

## Header

`Authorization: Zoho-oauthtoken d92d4xxxxxxxxxxxxx15f52`

## Request Parameters

### Request Headers

- **Accept** (`string`, Mandatory): `application/certificates.v1+json`

### Query Parameters

- **searchString** (`string`, Optional): Filter certificates by name
- **offset** (`integer`, Optional): Pagination offset
- **limit** (`integer`, Optional): Page size limit

## Sample Request

```curl
curl --request GET \
  --url https://appdomains/dcapi/inventory/computers/certificates \
  --header 'Accept: application/certificates.v1+json' \
  --header 'Authorization: Zoho-oauthtoken  d92d4xxxxxxxxxxxxx15f52'
```

## Response Parameters

### HTTP Code 200

#### Response Body — application/json

`JSON Object`

- **key** (`string`): Internal key identifier of the certificate
- **displayName** (`string`): Display name of the certificate

### HTTP Code 400

#### Response Body — application/json

`JSON Object`

- **error_code** (`string`): CUSTOMER_HEADER_MISSING - MSP environment requires X-Customer header
- **error_description** (`string`): Missing customer header error message

### HTTP Code 401

#### Response Body — application/json

`JSON Object`

- **error_code** (`string`): UAC_UNAUTHORIZED - user lacks the required uem-roles or credentials are missing
- **error_description** (`string`): Authentication or authorization failure reason

### HTTP Code 500

#### Response Body — application/json

`JSON Object`

- **error_code** (`string`): INTERNAL_ERROR - unexpected exception in the service layer
- **error_description** (`string`): Internal server error message

## Possible Response Codes

- **200** — HTTP code
- **400** — HTTP code
- **401** — HTTP code
- **500** — HTTP code

## Sample Response: HTTP 200

List of certificates across computers

```json
[
  {
    "displayName": "Sample Root CA",
    "key": "Sample Root CA"
  },
  {
    "displayName": "Sample Certificate Authority",
    "key": "Sample Certificate Authority"
  },
  {
    "displayName": "Sample Authenticode Root",
    "key": "Sample Authenticode Root"
  }
]
```

## Sample Response: HTTP 400

MSP header missing

```json
{
  "error_description": "dc.rest.customer_header.missing",
  "error_code": "CUSTOMER_HEADER_MISSING"
}
```

## Sample Response: HTTP 401

Missing credentials

```json
{
  "error_description": "Unauthorized access",
  "error_code": "UAC_UNAUTHORIZED"
}
```

## Sample Response: HTTP 500

Server error

```json
{
  "error_description": "Internal server error",
  "error_code": "INTERNAL_ERROR"
}
```

![Help icon](https://www.zohowebstatic.com/sites/zweb/images/people/ico-help.png)

**Duration:** 1 minute | **Threshold:** 120 | **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.