Free Email API | MailboxValidator

APIs

Single Email Validation API Disposable Email API Free Email API

SDK Modules

Node.js Module Ruby Module PHP Module Perl Module Python Module Java Class .Net Library Go Package Rust Package

Introduction

The Free Email API checks if a single email address is from a free email provider and returns the results in either JSON or XML format.

NOTE: You will get your API key when you sign up for any MailboxValidator API plans.

Go to your dashboard to retrieve your API key.

GET https://api.mailboxvalidator.com/v2/email/free

Request Parameters

Parameter	Type	Description
email	string	(required) The email address to check if is from a free email provider.
key	string	(required) API key.
format	string	(optional) Return the result in json (default) or xml format. Valid values: json \| xml

Successful Response Parameters

Parameter	Type	Description
email_address	string	The input email address.
is_free	boolean	Whether the email address is from a free email provider like Gmail or Hotmail. Return values: true, false
credits_available	integer	The number of credits left to call the API.

Error Response Parameters

Parameter	Type	Description
error.error_code	integer	The error code if there is any error. See error table below.
error.error_message	string	The error message if there is any error. See error table below.

Error Codes

error_code	error_message
10000	Missing parameter.
10001	API key not found.
10002	API key disabled.
10003	API key expired.
10004	Insufficient credits.
10005	Unknown error.
10006	Invalid email syntax.

HTTP Error Codes

error_code	HTTP Error
10000	400
10001	401
10002	401
10003	401
10004	401
10005	500
10006	400

Free Email API Sample Codes

<?php
$apiKey = 'Enter_License_Key';
$params['format']           = 'json';
$params['email']     = 'Enter_Email';

$query = '';

foreach($params as $key=>$value){
    $query .= '&' . $key . '=' . rawurlencode($value);
}

$try = 0;
do {
    ////////////
    //For https request, please make sure you have enabled php_openssl.dll extension.
    //
    //How to enable https
    //- Uncomment ;extension=php_openssl.dll by removing the semicolon in your php.ini, and restart the apache.
    //
    //In case you have difficulty to modify the php.ini, you can always make the http request instead of https.
    ////////////
    $result = file_get_contents('https://api.mailboxvalidator.com/v2/email/free?key=' . $apiKey . $query);
} while(!$result && $try++ < 3);

$data = json_decode($result);

print_r($data);
?>

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.Hashtable;
import java.util.Map;

public class test {
    public static void main(String[] args) {
        try {
            String key = "Enter_License_Key";
            Hashtable<String, String> data = new Hashtable<String, String>();
            data.put("format", "json");
            data.put("email", "Enter_Email");
            
            String datastr = "";
            for (Map.Entry<String,String> entry : data.entrySet()) {
                datastr += "&" + entry.getKey() + "=" + URLEncoder.encode(entry.getValue(), "UTF-8");
            }
            URL url = new URL("https://api.mailboxvalidator.com/v2/email/free?key=" + key + datastr);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("GET");
            conn.setRequestProperty("Accept", "application/json");
            
            if (conn.getResponseCode() != 200) {
                throw new RuntimeException("Failed : HTTP error code : " + conn.getResponseCode());
            }
            
            BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));
            
            String output;
            
            while ((output = br.readLine()) != null) {
                System.out.println(output);
            }
            conn.disconnect();
        }
        catch (MalformedURLException e) {
            e.printStackTrace();
        }
        catch (IOException e) {
            e.printStackTrace();
        }
    }
}

Imports System.Net
Imports System.IO
Imports System.Uri

Public Class _Default
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        Dim request As HttpWebRequest = Nothing
        Dim response As HttpWebResponse = Nothing

        Dim apiKey As String = "Enter_License_Key"
        Dim data As New Dictionary(Of String, String)

        data.Add("format", "json")
        data.Add("email", "Enter_Email")
        Dim datastr As String = String.Join("&", data.[Select](Function(x) x.Key & "=" & EscapeDataString(x.Value)).ToArray())

        request = Net.WebRequest.Create("https://api.mailboxvalidator.com/v2/email/free?key=" & apiKey & "&" & datastr)

        request.Method = "GET"
        response = request.GetResponse()

        Dim reader As System.IO.StreamReader = New IO.StreamReader(response.GetResponseStream())

        Page.Response.Write(reader.ReadToEnd)

    End Sub

End Class

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Net;
using System.IO;

namespace WebApplication1
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            WebRequest request = null;
            WebResponse response = null;

            string apiKey = "Enter_License_Key";
            Dictionary<string, string> data = new Dictionary<string, string>();

            data.Add("format", "json");
            data.Add("email", "Enter_Email");
            string datastr = string.Join("&", data.Select(x => x.Key + "=" + System.Uri.EscapeDataString(x.Value)).ToArray());

            request = System.Net.WebRequest.Create("https://api.mailboxvalidator.com/v2/email/free?key=" + apiKey + "&" + datastr);

            request.Method = "GET";
            response = request.GetResponse();

            System.IO.StreamReader reader = new System.IO.StreamReader(response.GetResponseStream());

            Page.Response.Write(reader.ReadToEnd());
        }
    }
}

import httplib
import urllib
import hashlib

p = { 'key': 'Enter_License_Key', 'format': 'json', 'email': 'Enter_Email' }

conn = httplib.HTTPConnection("api.mailboxvalidator.com")
conn.request("GET", "/v2/email/free?" + urllib.urlencode(p))
res = conn.getresponse()
print res.read()