curl --request GET \
  --url https://{host}/api/v3/sickLeaveCertificates/{id} \
  --header 'Authorization: <authorization>'

import requests

url = "https://{host}/api/v3/sickLeaveCertificates/{id}"

headers = {"Authorization": "<authorization>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {Authorization: '<authorization>'}};

fetch('https://{host}/api/v3/sickLeaveCertificates/{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://{host}/api/v3/sickLeaveCertificates/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: <authorization>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://{host}/api/v3/sickLeaveCertificates/{id}"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "<authorization>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://{host}/api/v3/sickLeaveCertificates/{id}")
  .header("Authorization", "<authorization>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{host}/api/v3/sickLeaveCertificates/{id}")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = '<authorization>'

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

{
  "data": {
    "id": 123,
    "leavePeriodId": 123,
    "leaveAccountId": 123,
    "authorId": 123,
    "creationDate": "2023-11-07T05:31:56Z",
    "isActive": true,
    "cancellationDate": "2023-11-07T05:31:56Z",
    "cancellationUserId": 123,
    "subrogation": true,
    "subrogationStartDate": "2023-11-07T05:31:56Z",
    "subrogationEndDate": "<string>",
    "lastWorkingDay": "2023-11-07T05:31:56Z",
    "numberOfWaitingPeriodDays": 1,
    "numberOfCompensatedDays": 1,
    "partTimeNature": 0,
    "partTimeActivityRate": 123,
    "partTimeReturnType": 0,
    "earlyReturn": true,
    "extension": true,
    "comments": "<string>",
    "originalLeavePeriodId": 123,
    "accidentDate": "<string>",
    "accidentPlace": 0,
    "firstObservationDate": "2023-11-07T05:31:56Z",
    "childArrivalScheduledDate": "<string>",
    "childArrivalEffectiveDate": "<string>",
    "childArrivalType": 0,
    "isSingleChild": true,
    "childAdoptionDistribution": 0,
    "paternityLeavePartType": 0,
    "compensationRate": 123,
    "longLastingAffection": true
  }
}