---
title: "Register IdP certificate"
slug: "post-idp-certificate"
updated: 2026-09-17T10:05:38Z
published: 2026-09-17T10:05:38Z
canonical: "api.ncloud-docs.com/post-idp-certificate"
---

> ## 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.

# Register IdP certificate

Available in Classic and VPC

Register an external SAML IdP certificate.

## Request

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

| Method | URI |
| --- | --- |
| POST | /api/v1/tenant/saml-idp/idp-certificates |

### Request headers

For information about the headers common to all Ncloud Single Sign-On APIs, see [Ncloud Single Sign-On request headers](/docs/en/single-sign-on-overview#%EC%9A%94%EC%B2%AD%ED%97%A4%EB%8D%94).

### Request body

You can include the following data in the body of your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `certificate` | String | Required | Public certificate of the IdP used to verify the signature of the SAML login - 1-2000 characters |

### Request example

The request example is as follows:

```
curl --location --request POST 'https://sso.apigw.ntruss.com/api/v1/tenant/saml-idp' \
--header 'x-ncp-apigw-timestamp: {Timestamp}' \
--header 'x-ncp-iam-access-key: {Access Key}' \
--header 'x-ncp-apigw-signature-v2: {API Gateway Signature}' \
--data '{
    "certificate" : "{Certificate}"
}'
```

## Response

This section describes the response format.

### Response body

The response body includes the following data:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | String | - | IdP certificate's unique identifier |
| `success` | Boolean | - | API processing result |

### Response status codes

For information about the response status codes common to all Ncloud Single Sign-On APIs, see [Ncloud Single Sign-On response status codes](/docs/en/single-sign-on-overview#%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:

```
{
    "id": "ba0def04-****-****-****-ff0b962016f7",
    "success": true
}
```