This page's audience our own tag's counts — open to see them

Period

–Visits

–Page views

–Clicks to vendors

–Time on page

–Reading now

Clicks to vendors, by tool

Top countries

Devices

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

WhoisXML API WHOIS API comparisons

Freemium#2 of 27 in WHOIS Lookup Tools

WhoisXML API WHOIS API is compared head-to-head with WhoisDataCenter, Whoxy and WhoisJSON API and more: 7 head-to-heads in WHOIS Lookup Tools, each with the specs and prices we checked.

9.2/10Editor score

Visit WhoisXML API

WhoisXML API WHOIS API9.2 Visit WhoisXML API

WhoisXML API WHOIS API head-to-head

WhoisXML API WHOIS API vs each of them

#	Tool	Free plan	Paid from	API access	Bulk lookup	Historical WHOIS	RDAP support	Score
2	WhoisXML API WHOIS API	Yes		Full	Yes	No	Yes	9.2
1	WhoisDataCenter	Yes		Full		Yes		9.4
3	Whoxy	No	$10/unit one-time	Full	Yes	Yes	Yes	9.0
4	WhoisJSON API	Yes	$10/mo					8.8
5	WhoisFreaks WHOIS API	No	$63/mo	Full	Yes	Yes	Yes	8.6
6	OpenRDAP	Yes	Free	Full			Yes	8.4
7	RDAP API	No	$9/mo	Full	Yes		Yes	8.2
8	ViewDNS WHOIS Lookup	Yes		Full			Yes	8.0

Compare WhoisXML API WHOIS API with any WHOIS lookup tool

These are the matchups our editors wrote up. The compare tool pairs WhoisXML API WHOIS API with any other product in WHOIS Lookup Tools — and up to four at once — from the same checked specs.

Compare WhoisXML API WHOIS API with any tool side by side →

Every WHOIS lookup tools head-to-head →

Our full WhoisXML API WHOIS API verdict, pricing and fact sheet →

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Compared by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated 7 Oct 2026 · How we research and update