curl --request PATCH \
  --url https://{tenant}.stamp.eu/rest/employees/bulk \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "employee_ids": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ],
  "fields": {
    "unit_id": 123,
    "department_id": 123,
    "cost_center_id": 123,
    "location_id": 123,
    "active": true,
    "include_in_export": true,
    "salary_type_work": "<string>",
    "salary_type_overtime": "<string>",
    "vacation_days": 182.5
  }
}
'

import requests

url = "https://{tenant}.stamp.eu/rest/employees/bulk"

payload = {
    "employee_ids": ["3c90c3cc-0d44-4b50-8888-8dd25736052a"],
    "fields": {
        "unit_id": 123,
        "department_id": 123,
        "cost_center_id": 123,
        "location_id": 123,
        "active": True,
        "include_in_export": True,
        "salary_type_work": "<string>",
        "salary_type_overtime": "<string>",
        "vacation_days": 182.5
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    employee_ids: ['3c90c3cc-0d44-4b50-8888-8dd25736052a'],
    fields: {
      unit_id: 123,
      department_id: 123,
      cost_center_id: 123,
      location_id: 123,
      active: true,
      include_in_export: true,
      salary_type_work: '<string>',
      salary_type_overtime: '<string>',
      vacation_days: 182.5
    }
  })
};

fetch('https://{tenant}.stamp.eu/rest/employees/bulk', 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://{tenant}.stamp.eu/rest/employees/bulk",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'employee_ids' => [
        '3c90c3cc-0d44-4b50-8888-8dd25736052a'
    ],
    'fields' => [
        'unit_id' => 123,
        'department_id' => 123,
        'cost_center_id' => 123,
        'location_id' => 123,
        'active' => true,
        'include_in_export' => true,
        'salary_type_work' => '<string>',
        'salary_type_overtime' => '<string>',
        'vacation_days' => 182.5
    ]
  ]),
  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://{tenant}.stamp.eu/rest/employees/bulk"

	payload := strings.NewReader("{\n  \"employee_ids\": [\n    \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  ],\n  \"fields\": {\n    \"unit_id\": 123,\n    \"department_id\": 123,\n    \"cost_center_id\": 123,\n    \"location_id\": 123,\n    \"active\": true,\n    \"include_in_export\": true,\n    \"salary_type_work\": \"<string>\",\n    \"salary_type_overtime\": \"<string>\",\n    \"vacation_days\": 182.5\n  }\n}")

	req, _ := http.NewRequest("PATCH", 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.patch("https://{tenant}.stamp.eu/rest/employees/bulk")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"employee_ids\": [\n    \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  ],\n  \"fields\": {\n    \"unit_id\": 123,\n    \"department_id\": 123,\n    \"cost_center_id\": 123,\n    \"location_id\": 123,\n    \"active\": true,\n    \"include_in_export\": true,\n    \"salary_type_work\": \"<string>\",\n    \"salary_type_overtime\": \"<string>\",\n    \"vacation_days\": 182.5\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{tenant}.stamp.eu/rest/employees/bulk")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"employee_ids\": [\n    \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  ],\n  \"fields\": {\n    \"unit_id\": 123,\n    \"department_id\": 123,\n    \"cost_center_id\": 123,\n    \"location_id\": 123,\n    \"active\": true,\n    \"include_in_export\": true,\n    \"salary_type_work\": \"<string>\",\n    \"salary_type_overtime\": \"<string>\",\n    \"vacation_days\": 182.5\n  }\n}"

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

{
  "updated": 123,
  "skipped": "<string>"
}

{
  "message": "<string>"
}

{
  "message": "<string>",
  "errors": {}
}