curl --request PUT \
  --url https://sandbox.nmbr.co/services/payroll/contractors/{contractor} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "business_name": "Contractor Co",
  "first_name": "John",
  "last_name": "Smith",
  "email": "john@smith.com",
  "external_ref": "<external_ref>"
}
'

import requests

url = "https://sandbox.nmbr.co/services/payroll/contractors/{contractor}"

payload = {
    "business_name": "Contractor Co",
    "first_name": "John",
    "last_name": "Smith",
    "email": "john@smith.com",
    "external_ref": "<external_ref>"
}
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({
    business_name: 'Contractor Co',
    first_name: 'John',
    last_name: 'Smith',
    email: 'john@smith.com',
    external_ref: '<external_ref>'
  })
};

fetch('https://sandbox.nmbr.co/services/payroll/contractors/{contractor}', 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://sandbox.nmbr.co/services/payroll/contractors/{contractor}",
  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([
    'business_name' => 'Contractor Co',
    'first_name' => 'John',
    'last_name' => 'Smith',
    'email' => 'john@smith.com',
    'external_ref' => '<external_ref>'
  ]),
  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://sandbox.nmbr.co/services/payroll/contractors/{contractor}"

	payload := strings.NewReader("{\n  \"business_name\": \"Contractor Co\",\n  \"first_name\": \"John\",\n  \"last_name\": \"Smith\",\n  \"email\": \"john@smith.com\",\n  \"external_ref\": \"<external_ref>\"\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://sandbox.nmbr.co/services/payroll/contractors/{contractor}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"business_name\": \"Contractor Co\",\n  \"first_name\": \"John\",\n  \"last_name\": \"Smith\",\n  \"email\": \"john@smith.com\",\n  \"external_ref\": \"<external_ref>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox.nmbr.co/services/payroll/contractors/{contractor}")

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  \"business_name\": \"Contractor Co\",\n  \"first_name\": \"John\",\n  \"last_name\": \"Smith\",\n  \"email\": \"john@smith.com\",\n  \"external_ref\": \"<external_ref>\"\n}"

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

{
  "id": "<id>",
  "object": "contractor",
  "data": {
    "business_name": "Contractor Co",
    "first_name": "John",
    "last_name": "Smith",
    "middle_initial": null,
    "email": "john@smith.com",
    "business_number": null,
    "sin_last_3": null,
    "external_ref": "<external_ref>",
    "preferred_locale": null,
    "archived_at": null,
    "created_at": "2026-01-01T00:00:00.000000Z",
    "updated_at": "2026-01-01T00:00:00.000000Z"
  },
  "links": {
    "self": "/contractors/<id>"
  }
}