curl --request PUT \
  --url https://api.demo.fuelboss.net/v1/contracts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "reference": "<string>",
  "externalReference": "<string>",
  "supplierEntities": [
    "<string>"
  ],
  "ports": [
    "<string>"
  ],
  "counterpartCompanies": [
    "<string>"
  ],
  "counterpartEntities": [
    "<string>"
  ],
  "startDateUtc": "2023-11-07T05:31:56Z",
  "endDateUtc": "2023-11-07T05:31:56Z"
}
'

import requests

url = "https://api.demo.fuelboss.net/v1/contracts"

payload = {
    "name": "<string>",
    "reference": "<string>",
    "externalReference": "<string>",
    "supplierEntities": ["<string>"],
    "ports": ["<string>"],
    "counterpartCompanies": ["<string>"],
    "counterpartEntities": ["<string>"],
    "startDateUtc": "2023-11-07T05:31:56Z",
    "endDateUtc": "2023-11-07T05:31:56Z"
}
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({
    name: '<string>',
    reference: '<string>',
    externalReference: '<string>',
    supplierEntities: ['<string>'],
    ports: ['<string>'],
    counterpartCompanies: ['<string>'],
    counterpartEntities: ['<string>'],
    startDateUtc: '2023-11-07T05:31:56Z',
    endDateUtc: '2023-11-07T05:31:56Z'
  })
};

fetch('https://api.demo.fuelboss.net/v1/contracts', 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.demo.fuelboss.net/v1/contracts",
  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([
    'name' => '<string>',
    'reference' => '<string>',
    'externalReference' => '<string>',
    'supplierEntities' => [
        '<string>'
    ],
    'ports' => [
        '<string>'
    ],
    'counterpartCompanies' => [
        '<string>'
    ],
    'counterpartEntities' => [
        '<string>'
    ],
    'startDateUtc' => '2023-11-07T05:31:56Z',
    'endDateUtc' => '2023-11-07T05:31:56Z'
  ]),
  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.demo.fuelboss.net/v1/contracts"

	payload := strings.NewReader("{\n  \"name\": \"<string>\",\n  \"reference\": \"<string>\",\n  \"externalReference\": \"<string>\",\n  \"supplierEntities\": [\n    \"<string>\"\n  ],\n  \"ports\": [\n    \"<string>\"\n  ],\n  \"counterpartCompanies\": [\n    \"<string>\"\n  ],\n  \"counterpartEntities\": [\n    \"<string>\"\n  ],\n  \"startDateUtc\": \"2023-11-07T05:31:56Z\",\n  \"endDateUtc\": \"2023-11-07T05:31:56Z\"\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.demo.fuelboss.net/v1/contracts")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"<string>\",\n  \"reference\": \"<string>\",\n  \"externalReference\": \"<string>\",\n  \"supplierEntities\": [\n    \"<string>\"\n  ],\n  \"ports\": [\n    \"<string>\"\n  ],\n  \"counterpartCompanies\": [\n    \"<string>\"\n  ],\n  \"counterpartEntities\": [\n    \"<string>\"\n  ],\n  \"startDateUtc\": \"2023-11-07T05:31:56Z\",\n  \"endDateUtc\": \"2023-11-07T05:31:56Z\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.demo.fuelboss.net/v1/contracts")

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  \"name\": \"<string>\",\n  \"reference\": \"<string>\",\n  \"externalReference\": \"<string>\",\n  \"supplierEntities\": [\n    \"<string>\"\n  ],\n  \"ports\": [\n    \"<string>\"\n  ],\n  \"counterpartCompanies\": [\n    \"<string>\"\n  ],\n  \"counterpartEntities\": [\n    \"<string>\"\n  ],\n  \"startDateUtc\": \"2023-11-07T05:31:56Z\",\n  \"endDateUtc\": \"2023-11-07T05:31:56Z\"\n}"

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

{
  "contractReference": "<string>",
  "lastChangedAtUtc": "2023-11-07T05:31:56Z"
}

{
  "contractReference": "<string>",
  "lastChangedAtUtc": "2023-11-07T05:31:56Z"
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>",
  "timestamp": "2023-11-07T05:31:56Z",
  "trace_id": "<string>"
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>",
  "timestamp": "2023-11-07T05:31:56Z",
  "trace_id": "<string>"
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>",
  "timestamp": "2023-11-07T05:31:56Z",
  "trace_id": "<string>"
}