curl --request POST \
  --url https://{host}/remuneration/api/fixed-items \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": 3000,
  "natureId": 1,
  "workContractId": 1481,
  "amendmentId": 0,
  "periodStart": "2026-01-01",
  "comment": "Annual salary review",
  "periodEnd": "2026-12-31"
}
'

import requests

url = "https://{host}/remuneration/api/fixed-items"

payload = {
    "amount": 3000,
    "natureId": 1,
    "workContractId": 1481,
    "amendmentId": 0,
    "periodStart": "2026-01-01",
    "comment": "Annual salary review",
    "periodEnd": "2026-12-31"
}
headers = {
    "Authorization": "<authorization>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<authorization>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    amount: 3000,
    natureId: 1,
    workContractId: 1481,
    amendmentId: 0,
    periodStart: '2026-01-01',
    comment: 'Annual salary review',
    periodEnd: '2026-12-31'
  })
};

fetch('https://{host}/remuneration/api/fixed-items', 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}/remuneration/api/fixed-items",
  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([
    'amount' => 3000,
    'natureId' => 1,
    'workContractId' => 1481,
    'amendmentId' => 0,
    'periodStart' => '2026-01-01',
    'comment' => 'Annual salary review',
    'periodEnd' => '2026-12-31'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <authorization>",
    "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}/remuneration/api/fixed-items"

	payload := strings.NewReader("{\n  \"amount\": 3000,\n  \"natureId\": 1,\n  \"workContractId\": 1481,\n  \"amendmentId\": 0,\n  \"periodStart\": \"2026-01-01\",\n  \"comment\": \"Annual salary review\",\n  \"periodEnd\": \"2026-12-31\"\n}")

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

	req.Header.Add("Authorization", "<authorization>")
	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}/remuneration/api/fixed-items")
  .header("Authorization", "<authorization>")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount\": 3000,\n  \"natureId\": 1,\n  \"workContractId\": 1481,\n  \"amendmentId\": 0,\n  \"periodStart\": \"2026-01-01\",\n  \"comment\": \"Annual salary review\",\n  \"periodEnd\": \"2026-12-31\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{host}/remuneration/api/fixed-items")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<authorization>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"amount\": 3000,\n  \"natureId\": 1,\n  \"workContractId\": 1481,\n  \"amendmentId\": 0,\n  \"periodStart\": \"2026-01-01\",\n  \"comment\": \"Annual salary review\",\n  \"periodEnd\": \"2026-12-31\"\n}"

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

{
  "id": 123,
  "amount": 123,
  "startsOn": "2023-12-25",
  "endsOn": "2023-12-25",
  "comment": "First-half salary increase",
  "natureId": 123,
  "nature": {
    "id": 123,
    "name": "Basic salary",
    "category": {
      "id": 123,
      "code": "BASIC_SALARY"
    },
    "establishments": [
      {
        "id": 123,
        "name": "Lucca FR",
        "currencyCode": "EUR",
        "currencySymbol": "€"
      }
    ]
  },
  "workContractId": 123,
  "workContract": {
    "workContractId": 123,
    "amendmentId": 123,
    "ownerId": 123,
    "owner": {
      "id": 123,
      "firstName": "<string>",
      "lastName": "<string>",
      "name": "<string>",
      "displayName": "<string>"
    },
    "startsOn": "2023-12-25",
    "endsOn": "2023-12-25"
  }
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>"
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>"
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>"
}