What are the best free alternatives to Whois?

Top alternatives to Whois include ipify, IP-API, ipapi.co. All of these endpoints belong to the network category.

Are these Whois alternatives free to use?

Yes, all featured alternative APIs offer verified free developer tiers or zero-authentication public endpoints on FreeAPI.

How can I test these alternative APIs?

You can test each alternative service interactively using ready-to-run cURL, Fetch, and Python snippets directly on FreeAPI.

Home/network/Whois Alternatives

Top Whois Alternatives & Similar APIs (2026)

Looking for alternatives to Whois? Compare 8 verified free and public APIs in the network category with rate limits, auth methods, and ready-to-use snippets.

Currently viewing:Whois

Alternatives Feature Comparison

8 Options

API Service	Auth Type	Rate Limit	CORS	Action
ipify	No Key (Zero-Auth)	Unlimited	HTTPS • CORS	Explore
IP-API	No Key (Zero-Auth)	45 req/min	HTTPS • CORS	Explore
ipapi.co	No Key (Zero-Auth)	30,000 req/month	HTTPS • CORS	Explore
ipinfo.io	Free Key	50,000 req/month	HTTPS • CORS	Explore
ipstack	Free Key	100 req/month	HTTPS • CORS	Explore
IPWHOIS	No Key (Zero-Auth)	10,000 req/month	HTTPS • CORS	Explore
GeoJS	No Key (Zero-Auth)	Unlimited	HTTPS • CORS	Explore
ProxyCheck	Free Key	100 req/day	HTTPS • CORS	Explore

Detailed Breakdown of Whois Alternatives

GET

ipify

Simple public IP address lookup API with universal CORS support

IP ve AğNo AuthCORSUnlimited

GET

IP-API

IP geolocation lookup returning ISP, latitude, longitude, and timezone

IP ve AğNo AuthCORS45 req/min

GET

ipapi.co

Accurate IP geolocation, currency, time zone, and ISP network lookup

IP ve AğNo AuthCORS30,000 req/month

GET

ipinfo.io

Enterprise IP address geolocation, ASN mapping, and VPN/proxy detection

IP ve AğAPI KeyCORS50,000 req/month

GET

ipstack

High-accuracy IP address geolocation, country, city, and ASN network lookup

IP ve AğAPI KeyCORS100 req/month

GET

IPWHOIS

IP address WHOIS registry data, netblock allocation, and abuse contacts

IP ve AğNo AuthCORS10,000 req/month

GET

GeoJS

Free and unlimited IP geolocation lookup REST endpoint with CORS support

IP ve AğNo AuthCORSUnlimited

GET

ProxyCheck

Detect fraudulent IP proxies, VPN exits, Tor nodes, and botnets

IP ve AğAPI KeyCORS100 req/day

Choosing the Best Alternative to Whois

Which alternative is quickest to start?

Alternatives labeled "Zero-Auth" do not require registration or API keys. You can swap your endpoint URL and test in minutes without creating provider accounts.

Are these alternatives free for production?

All listed alternatives offer legitimate free tiers or open data licenses. Review the specific rate limits on each API detail page to ensure your traffic stays within quota.