curl --request GET \
  --url https://mainnet.gomaestro-api.org/v1/transactions/{tx_hash}/cbor \
  --header 'api-key: <api-key>'

import requests

url = "https://mainnet.gomaestro-api.org/v1/transactions/{tx_hash}/cbor"

headers = {"api-key": "<api-key>"}

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

print(response.text)

const options = {method: 'GET', headers: {'api-key': '<api-key>'}};

fetch('https://mainnet.gomaestro-api.org/v1/transactions/{tx_hash}/cbor', 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://mainnet.gomaestro-api.org/v1/transactions/{tx_hash}/cbor",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "api-key: <api-key>"
  ],
]);

$response = curl_exec($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://mainnet.gomaestro-api.org/v1/transactions/{tx_hash}/cbor"

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

	req.Header.Add("api-key", "<api-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://mainnet.gomaestro-api.org/v1/transactions/{tx_hash}/cbor")
  .header("api-key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://mainnet.gomaestro-api.org/v1/transactions/{tx_hash}/cbor")

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

request = Net::HTTP::Get.new(url)
request["api-key"] = '<api-key>'

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

{
  "data": "84a8008282582085b5faa0ea5e....0821a0008743d1a0c1c6598f5f6",
  "last_updated": {
    "timestamp": "2022-10-10 20:25:28",
    "block_hash": "9f729f5404f6a4efcd65f5306e8c1784a9277f7408369cb92c567ccbfb6460b6",
    "block_slot": 32295201
  }
}