WhoisDataCenter comparisons

Freemium#1 of 27 in WHOIS Lookup Tools

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

9.4/10★★★★★Editor score

Try WhoisDataCenter

WhoisDataCenter9.4 Try WhoisDataCenter

WhoisDataCenter head-to-head

• WhoisDataCenter vs WhoisXML API WHOIS API
• WWhoisDataCenter vs Whoxy
• WhoisDataCenter vs WhoisJSON API
• WhoisDataCenter vs WhoisFreaks WHOIS API
• OWhoisDataCenter vs OpenRDAP
• WhoisDataCenter vs RDAP API
• WhoisDataCenter vs ViewDNS WHOIS Lookup

WhoisDataCenter vs each of them

#	Tool	Free plan	Paid from	API access	Bulk lookup	Historical WHOIS	RDAP support	Score
1	WhoisDataCenter	Yes		Full		Yes		9.4
2	WhoisXML API WHOIS API	Yes		Full	Yes	No	Yes	9.2
3	WWhoxy	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	OOpenRDAP	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 WhoisDataCenter with any WHOIS lookup tool

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

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Our full WhoisDataCenter verdict, pricing and fact sheet →

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Compared by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated 7 Oct 2026 · How we research and update