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> - v2.26: https://docs.nvidia.com/run-ai/multi-tenant/v2.26/llms.txt
> - v2.25: https://docs.nvidia.com/run-ai/multi-tenant/v2.25/llms.txt
> - v2.24: https://docs.nvidia.com/run-ai/multi-tenant/v2.24/llms.txt

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/run-ai/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/run-ai/_mcp/server.

# Create an access rule.

POST http://localhost:8080/api/v1/authorization/access-rules
Content-Type: application/json

Use to bind a predefined role to a subject (user, group or application) in a scope.

Reference: https://docs.nvidia.com/run-ai/multi-tenant/reference/rest-api/endpoints/authentication-and-authorization/access-rules/create-access-rule

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication

## Request

### Body (application/json)

This endpoint expects an AccessRuleCreationFields.

- `subjectId` (string, required) — The unique identifier of the subject (e.g., user, group, or app).
- `roleId` (integer, required) — The numeric ID of the assigned role.
- `scopeId` (string, required) — The unique identifier of the scope.
- `scopeType` (enum, required)
  - Allowed values: `system`, `tenant`, `cluster`, `department`, `project`
- `subjectType` (enum, required) — Subject type enum for access rules. Note: The 'app' subject type is DEPRECATED. Please use 'service-account' instead for service accounts.
  - Allowed values: `user`, `app`, `service-account`, `group`
- `clusterId` (string, optional) — The id of the cluster.

## Response

### 201

Created

- `subjectId` (string, required) — The unique identifier of the subject (e.g., user, group, or app).
- `roleId` (integer, required) — The numeric ID of the assigned role.
- `scopeId` (string, required) — The unique identifier of the scope.
- `scopeType` (enum, required)
  - Allowed values: `system`, `tenant`, `cluster`, `department`, `project`
- `subjectType` (enum, required) — Subject type enum for access rule responses. Extends SubjectType with the built-in all-authenticated-users subject, which applies to every authenticated user and service account. Note: The 'app' subject type is DEPRECATED. Please use 'service-account' instead for service accounts.
  - Allowed values: `user`, `app`, `service-account`, `group`, `all-authenticated-users`
- `roleName` (string, required) — The name of the assigned role (e.g., admin, viewer).
- `scopeName` (string, required) — Human-readable name of the scope (e.g., tenant-x).
- `id` (integer, required) — The ID of the access rule entry.
- `createdAt` (datetime, required) — The timestamp for when the access rule was created.
- `updatedAt` (datetime, required) — The timestamp for the last time the access rule was updated.
- `tenantId` (integer, required) — The id of the tenant.
- `createdBy` (string, required) — Identifier of the user who created the access rule.
- `clusterId` (string, optional) — The id of the cluster.
- `deletedAt` (datetime, optional, nullable) — The timestamp indicating when the access rule was deleted.
- `status` (AccessRuleStatusResponse, optional) — Status of the Access Rule in the cluster. Available only for clusters of version 2.22.0 or above.

## Errors

### 400 Bad Request Error

Bad request.

- `code` (integer, required)
- `message` (string, required)
- `details` (string, optional)

### 401 Unauthorized Error

Unauthorized

- `code` (integer, required)
- `message` (string, required)
- `details` (string, optional)

### 403 Forbidden Error

Forbidden

- `code` (integer, required)
- `message` (string, required)
- `details` (string, optional)

### 404 Not Found Error

The specified resource was not found

- `code` (integer, required)
- `message` (string, required)
- `details` (string, optional)

### 500 Internal Server Error

unexpected error

- `code` (integer, required)
- `message` (string, required)
- `details` (string, optional)

### 503 Service Unavailable Error

unexpected error

- `code` (integer, required)
- `message` (string, required)
- `details` (string, optional)

## Types

### AccessRuleStatusResponse

Status of the Access Rule in the cluster. Available only for clusters of version 2.22.0 or above.

- `phase` (enum, optional) — Phase of the Access Rule in the cluster.
  - Allowed values: `Creating`, `Ready`, `NotReady`, `Deleting`
- `message` (string, optional) — Message for status of Access Rule in the cluster
- `details` (string, optional) — Details for status of Access Rule in the clusters

## Examples

**Request**

```json
{
  "subjectId": "user@run.ai",
  "roleId": 53142648,
  "scopeId": "a418ed33-9399-48c0-a890-122cadd13bfd",
  "scopeType": "system",
  "subjectType": "user"
}
```

**Response**

```json
{
  "subjectId": "user@run.ai",
  "roleId": 53142648,
  "scopeId": "a418ed33-9399-48c0-a890-122cadd13bfd",
  "scopeType": "system",
  "subjectType": "user",
  "roleName": "admin",
  "scopeName": "tenant-x",
  "id": 32,
  "createdAt": "2024-01-15T09:30:00Z",
  "updatedAt": "2024-01-15T09:30:00Z",
  "tenantId": 1001,
  "createdBy": "user@run.ai",
  "clusterId": "71f69d83-ba66-4822-adf5-55ce55efd210",
  "deletedAt": "2024-01-15T09:30:00Z",
  "status": {
    "phase": "Ready",
    "message": "Failed to enforce department 'department-a'",
    "details": "NotReady: [cluster1-uuid]; Ready: [cluster2-uuid, cluster3-uuid]"
  }
}
```

**SDK Code**

```python
import requests

url = "http://localhost:8080/api/v1/authorization/access-rules"

payload = {
    "subjectId": "user@run.ai",
    "roleId": 53142648,
    "scopeId": "a418ed33-9399-48c0-a890-122cadd13bfd",
    "scopeType": "system",
    "subjectType": "user"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.json())
```

```javascript
const url = 'http://localhost:8080/api/v1/authorization/access-rules';
const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: '{"subjectId":"user@run.ai","roleId":53142648,"scopeId":"a418ed33-9399-48c0-a890-122cadd13bfd","scopeType":"system","subjectType":"user"}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "http://localhost:8080/api/v1/authorization/access-rules"

	payload := strings.NewReader("{\n  \"subjectId\": \"user@run.ai\",\n  \"roleId\": 53142648,\n  \"scopeId\": \"a418ed33-9399-48c0-a890-122cadd13bfd\",\n  \"scopeType\": \"system\",\n  \"subjectType\": \"user\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("http://localhost:8080/api/v1/authorization/access-rules")

http = Net::HTTP.new(url.host, url.port)

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"subjectId\": \"user@run.ai\",\n  \"roleId\": 53142648,\n  \"scopeId\": \"a418ed33-9399-48c0-a890-122cadd13bfd\",\n  \"scopeType\": \"system\",\n  \"subjectType\": \"user\"\n}"

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("http://localhost:8080/api/v1/authorization/access-rules")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"subjectId\": \"user@run.ai\",\n  \"roleId\": 53142648,\n  \"scopeId\": \"a418ed33-9399-48c0-a890-122cadd13bfd\",\n  \"scopeType\": \"system\",\n  \"subjectType\": \"user\"\n}")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'http://localhost:8080/api/v1/authorization/access-rules', [
  'body' => '{
  "subjectId": "user@run.ai",
  "roleId": 53142648,
  "scopeId": "a418ed33-9399-48c0-a890-122cadd13bfd",
  "scopeType": "system",
  "subjectType": "user"
}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("http://localhost:8080/api/v1/authorization/access-rules");
var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"subjectId\": \"user@run.ai\",\n  \"roleId\": 53142648,\n  \"scopeId\": \"a418ed33-9399-48c0-a890-122cadd13bfd\",\n  \"scopeType\": \"system\",\n  \"subjectType\": \"user\"\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = [
  "subjectId": "user@run.ai",
  "roleId": 53142648,
  "scopeId": "a418ed33-9399-48c0-a890-122cadd13bfd",
  "scopeType": "system",
  "subjectType": "user"
] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "http://localhost:8080/api/v1/authorization/access-rules")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```