curl --request POST \
  --url https://{host}/activeviam/pivot/rest/v9/database/branches \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "test-new-branch",
  "parent": "parent-branch",
  "permissions": {
    "owners": [
      "admin"
    ],
    "readers": [
      "USER_ROLE",
      "admin"
    ]
  }
}
'

import requests

url = "https://{host}/activeviam/pivot/rest/v9/database/branches"

payload = {
    "name": "test-new-branch",
    "parent": "parent-branch",
    "permissions": {
        "owners": ["admin"],
        "readers": ["USER_ROLE", "admin"]
    }
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: 'test-new-branch',
    parent: 'parent-branch',
    permissions: {owners: ['admin'], readers: ['USER_ROLE', 'admin']}
  })
};

fetch('https://{host}/activeviam/pivot/rest/v9/database/branches', 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://{host}/activeviam/pivot/rest/v9/database/branches",
  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([
    'name' => 'test-new-branch',
    'parent' => 'parent-branch',
    'permissions' => [
        'owners' => [
                'admin'
        ],
        'readers' => [
                'USER_ROLE',
                'admin'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "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://{host}/activeviam/pivot/rest/v9/database/branches"

	payload := strings.NewReader("{\n  \"name\": \"test-new-branch\",\n  \"parent\": \"parent-branch\",\n  \"permissions\": {\n    \"owners\": [\n      \"admin\"\n    ],\n    \"readers\": [\n      \"USER_ROLE\",\n      \"admin\"\n    ]\n  }\n}")

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

	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://{host}/activeviam/pivot/rest/v9/database/branches")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"test-new-branch\",\n  \"parent\": \"parent-branch\",\n  \"permissions\": {\n    \"owners\": [\n      \"admin\"\n    ],\n    \"readers\": [\n      \"USER_ROLE\",\n      \"admin\"\n    ]\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{host}/activeviam/pivot/rest/v9/database/branches")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"test-new-branch\",\n  \"parent\": \"parent-branch\",\n  \"permissions\": {\n    \"owners\": [\n      \"admin\"\n    ],\n    \"readers\": [\n      \"USER_ROLE\",\n      \"admin\"\n    ]\n  }\n}"

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

{
  "status": "ok"
}