curl --request POST \
  --url https://app.launchdarkly.com/api/v2/roles \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "basePermissions": "reader",
  "description": "An example role for members of the ops team",
  "key": "role-key-123abc",
  "name": "Ops team",
  "policy": [
    {
      "actions": [
        "updateOn"
      ],
      "effect": "allow",
      "resources": [
        "proj/*:env/production:flag/*"
      ]
    }
  ]
}
'

import requests

url = "https://app.launchdarkly.com/api/v2/roles"

payload = {
    "basePermissions": "reader",
    "description": "An example role for members of the ops team",
    "key": "role-key-123abc",
    "name": "Ops team",
    "policy": [
        {
            "actions": ["updateOn"],
            "effect": "allow",
            "resources": ["proj/*:env/production:flag/*"]
        }
    ]
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    basePermissions: 'reader',
    description: 'An example role for members of the ops team',
    key: 'role-key-123abc',
    name: 'Ops team',
    policy: [
      {
        actions: ['updateOn'],
        effect: 'allow',
        resources: ['proj/*:env/production:flag/*']
      }
    ]
  })
};

fetch('https://app.launchdarkly.com/api/v2/roles', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://app.launchdarkly.com/api/v2/roles",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'basePermissions' => 'reader',
    'description' => 'An example role for members of the ops team',
    'key' => 'role-key-123abc',
    'name' => 'Ops team',
    'policy' => [
        [
                'actions' => [
                                'updateOn'
                ],
                'effect' => 'allow',
                'resources' => [
                                'proj/*:env/production:flag/*'
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://app.launchdarkly.com/api/v2/roles"

	payload := strings.NewReader("{\n  \"basePermissions\": \"reader\",\n  \"description\": \"An example role for members of the ops team\",\n  \"key\": \"role-key-123abc\",\n  \"name\": \"Ops team\",\n  \"policy\": [\n    {\n      \"actions\": [\n        \"updateOn\"\n      ],\n      \"effect\": \"allow\",\n      \"resources\": [\n        \"proj/*:env/production:flag/*\"\n      ]\n    }\n  ]\n}")

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

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

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://app.launchdarkly.com/api/v2/roles")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"basePermissions\": \"reader\",\n  \"description\": \"An example role for members of the ops team\",\n  \"key\": \"role-key-123abc\",\n  \"name\": \"Ops team\",\n  \"policy\": [\n    {\n      \"actions\": [\n        \"updateOn\"\n      ],\n      \"effect\": \"allow\",\n      \"resources\": [\n        \"proj/*:env/production:flag/*\"\n      ]\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.launchdarkly.com/api/v2/roles")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"basePermissions\": \"reader\",\n  \"description\": \"An example role for members of the ops team\",\n  \"key\": \"role-key-123abc\",\n  \"name\": \"Ops team\",\n  \"policy\": [\n    {\n      \"actions\": [\n        \"updateOn\"\n      ],\n      \"effect\": \"allow\",\n      \"resources\": [\n        \"proj/*:env/production:flag/*\"\n      ]\n    }\n  ]\n}"

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

{
  "_id": "1234a56b7c89d012345e678f",
  "_links": {},
  "key": "example-custom-role",
  "name": "Example custom role",
  "policy": [
    {
      "effect": "allow",
      "resources": [
        "proj/*:env/*;qa_*:/flag/*"
      ],
      "notResources": [
        "<string>"
      ],
      "actions": [
        "*"
      ],
      "notActions": [
        "<string>"
      ]
    }
  ],
  "_access": {
    "denied": [
      {
        "action": "<string>",
        "reason": {
          "effect": "allow",
          "resources": [
            "proj/*:env/*;qa_*:/flag/*"
          ],
          "notResources": [
            "<string>"
          ],
          "actions": [
            "*"
          ],
          "notActions": [
            "<string>"
          ],
          "role_name": "<string>"
        }
      }
    ],
    "allowed": [
      {
        "action": "<string>",
        "reason": {
          "effect": "allow",
          "resources": [
            "proj/*:env/*;qa_*:/flag/*"
          ],
          "notResources": [
            "<string>"
          ],
          "actions": [
            "*"
          ],
          "notActions": [
            "<string>"
          ],
          "role_name": "<string>"
        }
      }
    ]
  },
  "description": "This custom role is just an example",
  "basePermissions": "reader",
  "resourceCategory": "<string>",
  "assignedTo": {
    "membersCount": 123,
    "teamsCount": 123
  },
  "_presetBundleVersion": 123,
  "_presetStatements": [
    {
      "effect": "allow",
      "resources": [
        "proj/*:env/*;qa_*:/flag/*"
      ],
      "notResources": [
        "<string>"
      ],
      "actions": [
        "*"
      ],
      "notActions": [
        "<string>"
      ]
    }
  ]
}

{
  "code": "invalid_request",
  "message": "Invalid request body"
}

{
  "code": "unauthorized",
  "message": "Invalid access token"
}

{
  "code": "forbidden",
  "message": "Forbidden. Access to the requested resource was denied."
}

{
  "code": "optimistic_locking_error",
  "message": "Conflict. Optimistic lock error. Try again later."
}

{
  "code": "rate_limited",
  "message": "You've exceeded the API rate limit. Try again later."
}