DataValidation is an email verification service trusted by companies, startups and email service providers all over the world to eliminate bounces, improve email marketing results and increase ROI.

  from urllib import request
  import json
   
  req = request.Request(
    'https://dv3.datavalidation.com/api/v2/realtime/?email=<email>')
  req.add_header('Authorization', 'bearer <api key>’')
  result = json.loads(request.urlopen(req).read())

  'use strict';
  var https = require('https');
   
  https.get({
      host: 'dv3.datavalidation.com',
      path: '/api/v2/realtime/?email=<email>',
      headers: {'Authorization': 'bearer <api key>'}
    }, function (res) {
      var json = '';
      res.on('data', function (chunk) {
      json += chunk;
      });
      res.on('end', function () {
      console.log(JSON.parse(json));
      });
    }
  );

  $ch = curl_init();
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
  curl_setopt($ch, CURLOPT_HTTPHEADER, ['Authorization: bearer <api key>']);
  curl_setopt($ch, CURLOPT_URL, 'https://dv3.datavalidation.com/api/v2/realtime/?email=<email>');
  $result = curl_exec($ch);
  curl_close($ch);
  
  $obj = json_decode($result);

  using (var client = new WebClient())
  {
    client.Headers.Add("Authorization: bearer <api key>");
    var result = JsonConvert.DeserializeObject(client.DownloadString(
    "https://dv3.datavalidation.com/api/v2/realtime/?email=<email>"));
  }

  require 'open-uri'
  require 'json'
  
  result = open("https://dv3.datavalidation.com/api/v2/realtime/?email=<email>",
    "Authorization" => "bearer <api key>")
  obj = JSON.parse(result.read)

  URLConnection conn = new URL("https://dv3.datavalidation.com/api/v2/realtime/?email=<email>")
    .openConnection();
  conn.setRequestProperty("Accept", "application/json");
  conn.setRequestProperty("Authorization", "bearer <api key>");
  BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream(), Charset.forName("UTF-8")));
  String jsonText = rd.lines().collect(Collectors.joining("\n"));;
  JSONObject json = new JSONObject(jsonText);
  System.out.println(json);

  client := &http.Client{}
  req, _ := http.NewRequest("GET", "https://dv3.datavalidation.com/api/v2/realtime/?email=<email>", nil)
  req.Header.Set("Authorization", "bearer <api key>")
  res, _ := client.Do(req)
  var result map[string]string
  body, _ := ioutil.ReadAll(res.Body)
  json.Unmarshal(body, &result)

  use Modern::Perl;
  use LWP;
  use JSON;
  
  my $ua = LWP::UserAgent->new;
  my $response = $ua->get(
    'https://dv3.datavalidation.com/api/v2/realtime/?email=<email>',
    Authorization => 'bearer <api key>');
  my $result = JSON::from_json($response->decoded_content)