curl --request PUT \
  --url https://api.itmc.i.moneyforward.com/api/v1/organizations/{organizationId}/services/{serviceId}/contracts/{contractId}/contract-cost-allocations/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "strategy": "bottom_up",
  "totalAmountSource": "cost_master",
  "paymentCycleUnit": "month",
  "paymentCycleValue": 1,
  "currency": "usd",
  "billingMethod": "prepaid",
  "note": "Lorem ipsum dolor sit amet, consectetur adipiscing elit.",
  "items": [
    {
      "type": "license",
      "allocationType": "contract_owners",
      "name": "Copilot Enterprise",
      "price": 1000,
      "workspaceId": 1,
      "peopleIds": [
        1,
        2,
        3
      ]
    }
  ]
}
'

import requests

url = "https://api.itmc.i.moneyforward.com/api/v1/organizations/{organizationId}/services/{serviceId}/contracts/{contractId}/contract-cost-allocations/{id}"

payload = {
    "strategy": "bottom_up",
    "totalAmountSource": "cost_master",
    "paymentCycleUnit": "month",
    "paymentCycleValue": 1,
    "currency": "usd",
    "billingMethod": "prepaid",
    "note": "Lorem ipsum dolor sit amet, consectetur adipiscing elit.",
    "items": [
        {
            "type": "license",
            "allocationType": "contract_owners",
            "name": "Copilot Enterprise",
            "price": 1000,
            "workspaceId": 1,
            "peopleIds": [1, 2, 3]
        }
    ]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    strategy: 'bottom_up',
    totalAmountSource: 'cost_master',
    paymentCycleUnit: 'month',
    paymentCycleValue: 1,
    currency: 'usd',
    billingMethod: 'prepaid',
    note: 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.',
    items: [
      {
        type: 'license',
        allocationType: 'contract_owners',
        name: 'Copilot Enterprise',
        price: 1000,
        workspaceId: 1,
        peopleIds: [1, 2, 3]
      }
    ]
  })
};

fetch('https://api.itmc.i.moneyforward.com/api/v1/organizations/{organizationId}/services/{serviceId}/contracts/{contractId}/contract-cost-allocations/{id}', 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://api.itmc.i.moneyforward.com/api/v1/organizations/{organizationId}/services/{serviceId}/contracts/{contractId}/contract-cost-allocations/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'strategy' => 'bottom_up',
    'totalAmountSource' => 'cost_master',
    'paymentCycleUnit' => 'month',
    'paymentCycleValue' => 1,
    'currency' => 'usd',
    'billingMethod' => 'prepaid',
    'note' => 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.',
    'items' => [
        [
                'type' => 'license',
                'allocationType' => 'contract_owners',
                'name' => 'Copilot Enterprise',
                'price' => 1000,
                'workspaceId' => 1,
                'peopleIds' => [
                                1,
                                2,
                                3
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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://api.itmc.i.moneyforward.com/api/v1/organizations/{organizationId}/services/{serviceId}/contracts/{contractId}/contract-cost-allocations/{id}"

	payload := strings.NewReader("{\n  \"strategy\": \"bottom_up\",\n  \"totalAmountSource\": \"cost_master\",\n  \"paymentCycleUnit\": \"month\",\n  \"paymentCycleValue\": 1,\n  \"currency\": \"usd\",\n  \"billingMethod\": \"prepaid\",\n  \"note\": \"Lorem ipsum dolor sit amet, consectetur adipiscing elit.\",\n  \"items\": [\n    {\n      \"type\": \"license\",\n      \"allocationType\": \"contract_owners\",\n      \"name\": \"Copilot Enterprise\",\n      \"price\": 1000,\n      \"workspaceId\": 1,\n      \"peopleIds\": [\n        1,\n        2,\n        3\n      ]\n    }\n  ]\n}")

	req, _ := http.NewRequest("PUT", 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(string(body))

}

HttpResponse<String> response = Unirest.put("https://api.itmc.i.moneyforward.com/api/v1/organizations/{organizationId}/services/{serviceId}/contracts/{contractId}/contract-cost-allocations/{id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"strategy\": \"bottom_up\",\n  \"totalAmountSource\": \"cost_master\",\n  \"paymentCycleUnit\": \"month\",\n  \"paymentCycleValue\": 1,\n  \"currency\": \"usd\",\n  \"billingMethod\": \"prepaid\",\n  \"note\": \"Lorem ipsum dolor sit amet, consectetur adipiscing elit.\",\n  \"items\": [\n    {\n      \"type\": \"license\",\n      \"allocationType\": \"contract_owners\",\n      \"name\": \"Copilot Enterprise\",\n      \"price\": 1000,\n      \"workspaceId\": 1,\n      \"peopleIds\": [\n        1,\n        2,\n        3\n      ]\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.itmc.i.moneyforward.com/api/v1/organizations/{organizationId}/services/{serviceId}/contracts/{contractId}/contract-cost-allocations/{id}")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"strategy\": \"bottom_up\",\n  \"totalAmountSource\": \"cost_master\",\n  \"paymentCycleUnit\": \"month\",\n  \"paymentCycleValue\": 1,\n  \"currency\": \"usd\",\n  \"billingMethod\": \"prepaid\",\n  \"note\": \"Lorem ipsum dolor sit amet, consectetur adipiscing elit.\",\n  \"items\": [\n    {\n      \"type\": \"license\",\n      \"allocationType\": \"contract_owners\",\n      \"name\": \"Copilot Enterprise\",\n      \"price\": 1000,\n      \"workspaceId\": 1,\n      \"peopleIds\": [\n        1,\n        2,\n        3\n      ]\n    }\n  ]\n}"

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

{}