---
title: "Issue End Cert"
slug: "security-privateca-issueendcert"
tags: ["Private CA"]
updated: 2026-09-17T10:25:43Z
published: 2026-09-17T10:25:43Z
canonical: "api.ncloud-docs.com/security-privateca-issueendcert"
---

> ## 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.

# Issue End Cert

Available in Classic and VPC

Issue a private certificate through the created CA.

## Request

The following describes the request format for the endpoint. The request format is as follows:

| Method | URI |
| --- | --- |
| POST | /api/v1/ca/{caTag}/cert |

### Request headers

For information about the headers common to all CA APIs, see [CA request headers](/docs/en/security-privateca#%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 |
| --- | --- | --- | --- |
| `caTag` | String | Required | CA tag value - See [Get CA list](/docs/en/security-privateca-getcalist) |

### Request body

The following describes the request body.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `keyType` | String | Optional | Key type - `RSA2048` \| `RSA4096` \| `EC256` \| `EC521` |
| `period` | String | Optional | Validity period - 1 - 3650 - Enter `MAX` to set it to the maximum allowable validity period |
| `x509Parameters` | Object | Required | Advanced settings information |
| `x509Parameters.commonName` | String | Required | General name - 1 - 64 characters |
| `x509Parameters.altName` | String | Optional | DNS/email SANs - Enter domain/host name or email format |
| `x509Parameters.organization` | String | Optional | Organization name - 0 - 64 characters |
| `x509Parameters.organizationUnit` | String | Optional | Department name - 0 - 128 characters |
| `x509Parameters.locality` | String | Optional | City name - 0 - 128 characters - <E.g.> `Seoul` |
| `x509Parameters.stateProvince` | String | Optional | State/province or region name - 0 - 128 characters - <E.g.> `Gyeonggi-do` |
| `x509Parameters.streetAddress` | String | Optional | Detailed address - 0 - 128 characters |
| `x509Parameters.country` | String | Optional | Standard country code - See [ISO 3166-1 alpha-2](https://ko.wikipedia.org/wiki/ISO_3166-1_alpha-2) |
| `x509Parameters.ip` | String | Optional | IP SANs - Enter in the IP address format |

### Request example

The following is a sample request.

```
curl --location --request POST 'https://pca.apigw.ntruss.com/api/v1/ca/********-********/cert' \
--header 'x-ncp-apigw-timestamp: {Timestamp}' \
--header 'x-ncp-iam-access-key: {Access Key}' \
--header 'x-ncp-apigw-signature-v2: {API Gateway Signature}' \
--header 'Content-Type: application/json' \
--data '{
    "x509Parameters": {
        "commonName": "name000"
    }
}'
```

## Response

The following describes the response format.

### Response body

The following describes the response body.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `privateKey` | String | - | Certificate private key (PEM) |
| `certificate` | String | - | Certificate (PEM) |
| `serialNo` | String | - | Certificate serial number |
| `caChain` | String | - | CA chain (PEM) |
| `ocspResponder` | String | - | Online Certificate Status Protocol (OCSP) server certificate (PEM) |
| `issuer` | String | - | Issuing CA (PEM) |

### Response status codes

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

### Response example

The following is a sample example.

```
{
    "code": "SUCCESS",
    "msg": "Success",
    "data": {
        "privateKey": "-----BEGIN RSA PRIVATE KEY-----\n{Private Key}\n-----END RSA PRIVATE KEY-----",
        "certificate": "-----BEGIN CERTIFICATE-----\n{Certificate}\n-----END CERTIFICATE-----",
        "caChain": "-----BEGIN CERTIFICATE-----\n{CA Chain}\n-----END CERTIFICATE-----",
        "ocspResponder": "",
        "issuer": "-----BEGIN CERTIFICATE-----\n{CA}\n-----END CERTIFICATE-----",
        "serialNo": "**:**:**:**:**:**:**:**:**:**:**:**:**:**:**:**:**:**:**:**"
    }
}
```