What Is My IP Address?

API Usage

Get your IP address as JSON. Returns ip (IPv4) and ipv6 (blank string if no IPv6). Complete code examples for cURL, Ruby, Python, PHP, Java, Node.js, Go, and .NET:

{"ip":"66.219.209.246","ipv6":""}

curl https://whatismyipaddress.monster/api

using System;
using System.Net.Http;
using System.Text.Json;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        using var client = new HttpClient();
        var url = "https://whatismyipaddress.monster/api";
        var json = await client.GetStringAsync(url);
        var doc = JsonDocument.Parse(json);
        var root = doc.RootElement;
        var ip = root.GetProperty("ip").GetString();
        var ipv6 = root.GetProperty("ipv6").GetString();
        Console.WriteLine("IPv4: " + ip + ", IPv6: " + ipv6);
    }
}

package main

import (
    "encoding/json"
    "fmt"
    "net/http"
)

func main() {
    resp, err := http.Get("https://whatismyipaddress.monster/api")
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()
    var data struct {
        IP   string `json:"ip"`
        IPv6 string `json:"ipv6"`
    }
    json.NewDecoder(resp.Body).Decode(&data)
    fmt.Printf("IPv4: %s, IPv6: %s\n", data.IP, data.IPv6)
}

import java.net.URI;
import java.net.http.*;

public class GetIP {
    public static void main(String[] args) throws Exception {
        var client = HttpClient.newHttpClient();
        var uri = URI.create("https://whatismyipaddress.monster/api");
        var request = HttpRequest.newBuilder().uri(uri).GET().build();
        var response = client.send(request, HttpResponse.BodyHandlers.ofString());
        System.out.println(response.body());
    }
}

const https = require('https');

https.get('https://whatismyipaddress.monster/api', (res) => {
  let data = '';
  res.on('data', (chunk) => data += chunk);
  res.on('end', () => {
    const { ip, ipv6 } = JSON.parse(data);
    console.log('IPv4:', ip, 'IPv6:', ipv6);
  });
});

<?php
$data = json_decode(file_get_contents('https://whatismyipaddress.monster/api'), true);
echo "IPv4: {$data['ip']}, IPv6: {$data['ipv6']}\n";

import urllib.request
import json

with urllib.request.urlopen('https://whatismyipaddress.monster/api') as response:
    data = json.loads(response.read())
print(f"IPv4: {data['ip']}, IPv6: {data['ipv6']}")

require 'net/http'
require 'json'

res = Net::HTTP.get_response(URI('https://whatismyipaddress.monster/api'))
data = JSON.parse(res.body)
puts "IPv4: #{data['ip']}, IPv6: #{data['ipv6']}"