---
title: "Get subject activity list"
slug: "management-subaccount-getcredentiallist"
updated: 2026-09-17T10:05:32Z
published: 2026-09-17T10:05:32Z
canonical: "api.ncloud-docs.com/management-subaccount-getcredentiallist"
---

> ## 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.

# Get subject activity list

Available in Classic and VPC

Get the subject activity list. You can check the detailed usage history of certificates with the same subject.

## Request

This section describes the request format. The method and URI are as follows:

| Method | URI |
| --- | --- |
| GET | /api/v1/subjects/{subjectId}/credentials |

### Request headers

For information about the headers common to all Sub Account APIs, see [Sub Account request headers](/docs/en/management-subaccount#%EC%9A%94%EC%B2%AD%ED%97%A4%EB%8D%94).

### Request path parameters

You can use the following path parameters with your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `subjectId` | String | Required | Subject ID - See [Get subject list](/docs/en/management-subaccount-getsubjectlist) |

### Request query parameters

You can use the following query parameters with your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `page` | Integer | Optional | Page number - 0-N (default: 0) |
| `size` | Integer | Optional | Page output count - 1-N (default: 20) |

### Request example

The request example is as follows:

```
curl --location --request GET 'https://externalaccess.apigw.ntruss.com/api/v1/subjects/c2dea79b-****-****-****-c162618da17d/credentials?page=0&size=20' \
--header 'x-ncp-apigw-timestamp: {Timestamp}' \
--header 'x-ncp-iam-access-key: {Access Key}' \
--header 'x-ncp-apigw-signature-v2: {API Gateway Signature}' \
--header 'Accept: application/json'
```

## Response

This section describes the response format.

### Response body

The response body includes the following data:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `pageNo` | Integer | - | Page number |
| `totalElements` | Integer | - | Number of response results |
| `pageSize` | Integer | - | Page output count |
| `content` | Array | - | Certificate usage history list: [content](/docs/en/management-subaccount-getcredentiallist#content) |

#### `content`

The following describes `content`.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `issuer` | String | - | Certificates issuer |
| `serialNumber` | String | - | Certificate number |
| `x509CertificateData` | String | - | X.509 certificate data |
| `failed` | Boolean | - | Authentication success status - `true` \| `false` - `true`: failed - `false`: succeeded |
| `seenTime` | String | - | Authentication date and time - ISO 8601 format |

### Response status codes

For information about the HTTP status codes common to all Sub Account APIs, see [Sub Account status codes](/docs/en/management-subaccount#%EC%9D%91%EB%8B%B5%EC%83%81%ED%83%9C%EC%BD%94%EB%93%9C).

### Response example

The response example is as follows:

```
{
    "pageNo": 0,
    "totalElements": 10,
    "pageSize": 20,
    "content": [
        {
            "issuer": "CN=QA_Root_CA, OU=IAM Service, O=NAVER Cloud Corp., L=Seongnam-si, ST=Gyeonggi-do, C=KR",
            "serialNumber": "***************099216805457609290***************",
            "x509CertificateData": "{x509CertificateData}",
            "failed": false,
            "seenTime": "2024-12-12T18:09:05.705+09:00"
        },
        // (Omitted)
    ]
}
```