myip-foo

Official JavaScript/TypeScript client for myip.foo - a free, privacy-focused IP lookup API.

Features

• Full TypeScript support
• Works in Node.js and browsers
• React hooks included
• Dual-stack IPv4/IPv6 support
• No API key required
• Zero dependencies (React is optional)

Installation

npm install myip-foo

Quick Start

Node.js / Browser

import { getIP, getIPData, getDualStack } from 'myip-foo';

// Get plain IP
const ip = await getIP();
console.log(ip); // "203.0.113.42"

// Get full data with geolocation
const data = await getIPData();
console.log(data.ip);                    // "203.0.113.42"
console.log(data.location.city);         // "Amsterdam"
console.log(data.location.country);      // "NL"
console.log(data.network.isp);           // "KPN B.V."
console.log(data.connectionType);        // "residential"

// Get both IPv4 and IPv6
const dualStack = await getDualStack();
console.log(dualStack.ipv4); // "203.0.113.42"
console.log(dualStack.ipv6); // "2001:db8::1" or null

React

import { useIPData, useDualStack, useIP } from 'myip-foo';

function MyComponent() {
  const { data, loading, error, refetch } = useIPData();

  if (loading) return <p>Loading...</p>;
  if (error) return <p>Error: {error}</p>;

  return (
    <div>
      <p>IP: {data?.ip}</p>
      <p>Location: {data?.location.city}, {data?.location.country}</p>
      <p>ISP: {data?.network.isp}</p>
      <button onClick={refetch}>Refresh</button>
    </div>
  );
}

API Reference

Functions

getIP(): Promise<string>

Returns your IP address as plain text.

getIPData(): Promise<IPData>

Returns full IP data including geolocation.

getDualStack(): Promise<DualStackData>

Returns both IPv4 and IPv6 addresses (uses dedicated endpoints).

getConnectionType(): Promise<ConnectionTypeData>

Detects if connection is residential, VPN, or datacenter.

getHeaders(): Promise<Record<string, string>>

Returns all HTTP headers as seen by the server.

getUserAgent(): Promise<string>

Returns your user agent string.

React Hooks

useIPData()

Hook for fetching full IP data.

const { data, loading, error, refetch } = useIPData();

useDualStack()

Hook for fetching IPv4 and IPv6.

const { data, loading, error, refetch } = useDualStack();
// data.ipv4, data.ipv6

useIP()

Hook for fetching plain IP.

const { ip, loading, error, refetch } = useIP();

Types

interface IPData {
  ip: string;
  type: 'IPv4' | 'IPv6';
  hostname?: string;
  connectionType?: 'residential' | 'vpn' | 'datacenter' | 'tor';
  location: {
    country: string;
    city: string;
    region: string;
    postalCode: string;
    timezone: string;
    latitude: string;
    longitude: string;
  };
  network: {
    asn: number;
    isp: string;
  };
  cloudflare: {
    colo: string;
    ray: string;
  };
}

interface DualStackData {
  ipv4: string | null;
  ipv6: string | null;
}

interface ConnectionTypeData {
  ip: string;
  type: 'residential' | 'vpn' | 'datacenter' | 'unknown';
}

Dual-Stack Endpoints

The getDualStack() function uses dedicated subdomains with direct DNS records:

• ipv4.myip.foo/ip - Returns IPv4 only (A record)
• ipv6.myip.foo/ip - Returns IPv6 only (AAAA record)

This bypasses Cloudflare's dual-stack routing for accurate results.

Privacy

myip.foo does not log IP addresses or use cookies. See Privacy Policy.

Links

• Website: myip.foo
• API Docs: myip.foo/api-docs
• GitHub: myip-packages

License

MIT License - see LICENSE for details.