curl --request GET \
  --url https://my.cloudtalk.io/api/contacts/show/{contactId}.json \
  --header 'Authorization: Basic <encoded-value>'

import requests

url = "https://my.cloudtalk.io/api/contacts/show/{contactId}.json"

headers = {"Authorization": "Basic <encoded-value>"}

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

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Basic <encoded-value>'}};

fetch('https://my.cloudtalk.io/api/contacts/show/{contactId}.json', 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://my.cloudtalk.io/api/contacts/show/{contactId}.json",
  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: Basic <encoded-value>"
  ],
]);

$response = curl_exec($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://my.cloudtalk.io/api/contacts/show/{contactId}.json"

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

	req.Header.Add("Authorization", "Basic <encoded-value>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://my.cloudtalk.io/api/contacts/show/{contactId}.json")
  .header("Authorization", "Basic <encoded-value>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://my.cloudtalk.io/api/contacts/show/{contactId}.json")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Basic <encoded-value>'

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

{
  "responseData": {
    "Contact": {
      "id": "1234",
      "name": "John Doe",
      "title": "Dr.",
      "company": "Google",
      "industry": "it",
      "website": "https://www.google.com/",
      "address": "First st.",
      "city": "New York",
      "zip": "11804",
      "state": "NY",
      "country_id": "1",
      "favorite_agent": "123",
      "created": "2017-11-11T15:25:42.000Z",
      "modified": "2017-04-26T22:57:50.000Z"
    },
    "ExternalUrl": [
      {
        "name": "CRM",
        "url": "https://cloudtalk.io/c/show/123"
      }
    ],
    "ContactEmail": [
      {
        "email": "[email protected]"
      }
    ],
    "ContactNumber": [
      {
        "public_number": 442012345678
      }
    ],
    "ContactsTag": [
      {
        "name": "vipClients"
      },
      {
        "name": "shopify"
      }
    ]
  }
}

{
  "responseData": {
    "status": 404,
    "message": "Not found."
  }
}