curl --request GET \
  --url https://{defaultHost}/v1/cancellation_acts/{id} \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://{defaultHost}/v1/cancellation_acts/{id}"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

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

fetch('https://{defaultHost}/v1/cancellation_acts/{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://{defaultHost}/v1/cancellation_acts/{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: Bearer <token>"
  ],
]);

$response = curl_exec($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://{defaultHost}/v1/cancellation_acts/{id}"

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

	req.Header.Add("Authorization", "Bearer <token>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://{defaultHost}/v1/cancellation_acts/{id}")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{defaultHost}/v1/cancellation_acts/{id}")

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

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

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

{
  "id": "da7628ce-a648-4a29-a16c-06dbc19f74e6",
  "object": "cancellation_act",
  "comment": null,
  "coupon_applied": false,
  "preserved": false,
  "performed_at": 1787228348,
  "cancellation_reason": "22d05468-f10a-4ef5-a950-2b6985cc9d11",
  "subscription": "7381c533-6c2a-4c02-a304-033e2f1c849d",
  "created_at": 1787228348,
  "updated_at": 1787228348
}