<?php
// define the email to validate and the api key to use
$url = "https://e-va.io/api/email/validate/" . urlencode($YOUR_EMAIL_HERE);
$api_key = "$YOUR_API_KEY_HERE";

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
    'api-key: ' . $api_key,
    'Accept' => 'application/json'
));

$response = curl_exec($ch);
curl_close($ch);

//decode the json response
$result = json_decode($response, true);

let email = "YOUR_EMAIL_HERE"
let apiKey = "YOUR_API_KEY_HERE"

let session = URLSession.shared
let string = "https://e-va.io/api/email/validate/" + email
let url = NSURL(string: string)
let request = NSMutableURLRequest(url: url! as URL)

request.httpMethod = "GET"
request.setValue(apiKey, forHTTPHeaderField: "api-key")
request.addValue("application/json", forHTTPHeaderField: "Accept")

let task = session.dataTask(with: request as URLRequest) { (data, response, error) -> Void in
    if let _ = response as? HTTPURLResponse, let data = data {
        if let jsonString = String(data: data, encoding: .utf8) {
            print(jsonString)
        }
    }else{
        print("Error: \(String(describing: error))")
    }
}
task.resume()

String email = "YOUR_EMAIL_HERE";
String apiKey = "YOUR_API_KEY_HERE";

String url = "https://e-va.io/api/email/validate/" + URLEncoder.encode(email);

try {
    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();

    // optional default is GET
    con.setRequestMethod("GET");

    //add api-key header
    con.setRequestProperty("api-key", apiKey);

    int responseCode = con.getResponseCode();
    if( responseCode != 200) {
        System.out.println("Error, response code : " + responseCode);
    }
    else {
        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();

        System.out.println(response.toString());
    }
}
catch(MalformedURLException e) {
    // do something with the error
}
catch(IOException e) {
    // do something with the error
}

import urllib
import urllib2

email = 'YOUR_EMAIL_HERE'
apiKey = 'YOUR_API_KEY_HERE'

url = 'https://e-va.io/api/email/validate/'
url += urllib.quote_plus(email)

req = urllib2.Request(url)
req.add_header('Accept', 'application/json')
req.add_header('api-key', apiKey)
resp = urllib2.urlopen(req)
content = resp.read()

print(content)