Datacircle

who.is Domain WHOIS API pricing: GET /v1/rdap/{domain}, Normalized RDAP record

who.is' siteThis page as plain textDomain WHOIS API in 2026: the best of 40+ providers comparedwho.is: domain WHOIS API alternatives

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44% complete: 4 of the 9 fields on our checklistSee the 9 fields
$0.00per 1,000 domainsWe haven't run who.is through our domain WHOIS API benchmark yet.This plan is free. We rank 631 plans for domain WHOIS APIs by price. Half the plans cost $1.663 or less per 1,000 domains. 128 domain WHOIS API plans on our price sheet are free. WhoisRequest's free plan scores highest of the free plans in our benchmark, at 96.9 out of 100.Searchwire's $10 pack is the cheapest paid plan per 1,000 domains. Searchwire's domain WHOIS API costs nothing beyond the plan price. UAPI's CNY 4.90 pack costs the least for 10,000 domains a month: about $0.73.WhoisRequest, thenetworkery and FluentEDI are the best domain WHOIS API providers in the Datacircle benchmark.
Type a number to see the cheapest who.is plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: Free one of who.is' 5 plans
Call: GET /v1/rdap/{domain}, Normalized RDAP record one of who.is' 4 calls
API: Domain WHOIS API who.is' only API

About this item

  • Stored. You get WHOIS records from who.is' database. who.is doesn't say how old the data is.
  • 4 of the 9 fields on our checklist. Created on, Expires on, Name servers, Statuses.
  • Nothing to pay. You get 500 credits a month, enough for 500 calls. Calls stop once your credits run out.
  • One call. You send domain to GET /v1/rdap/{domain}. You can also send live. The call returns the domain's WHOIS record.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

who.is: domain WHOIS API alternatives

who.is alternatives: other domain WHOIS API providers by price

The table starts with who.is' cheapest paid plan. Next come plans from other providers with the price per 1,000 domains closest to who.is'.

who.is, $199 monthly, Scale API Access, GET /v1/rdap/{domain}, Normalized RDAP recordWhoisFreaks, $200 monthly, Monthly Subscription, 150,000 API Credits, POST /v2.0/bulkwhois/liveNetlas, $490 yearlyDNSai, $499 monthly, Enterprise, GET /api/v1/domains/{id}/whois/isMalicious, €990 yearly
$ per 1,000 domains$1.327$1.333$1.343$1.663$9.284
Completeness44%100%89%89%67%
Billingmonthlymonthlyyearlymonthlyyearly
Pay$199$200$490$499€990
Enough for150,000 calls a month150,000 results a month1,000 calls a day10,000 calls a day10,000 calls a month
Freshnessstoredlive45 daysstoredstored
Who can get itanyoneanyone over the age of 13 with a real company or personal email, not for gambling, adult content, dating, the alcohol industry, defense or military organizationsanyone with a registered Netlas accountanyoneanyone with a card, at least thirteen years old and of the age of digital consent in their jurisdiction

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

  1. api.who.is/v1/openapi.json
  2. who.is/docs/api
  3. who.is/docs/api/terms

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Registrant, not in the answer
  • Registrar, not in the answer
  • Created on
  • Updated on, not in the answer
  • Expires on
  • Name servers
  • Statuses
  • DNSSEC, not in the answer
  • Abuse contact, not in the answer
Price
$ per 1,000 domains$0.00
Percall
Billingfree
Charges
Also pays forfrom the same budget: Parsed WHOIS record · Domain history summary · Current DNS records · Current TLS certificate · Nameservers at or under a name · Nameserver summary · Domains on a nameserver
Overage
Units caphard
Not found
$ per 1,000 calls that find nothing$0.00
In their words
Their pitchGet parsed WHOIS records, normalized RDAP data, DNS records, and TLS certificate details for any domain, all as clean JSON over HTTPS.
Data
Freshnessstored
Keep datano limit
Use dataThe API is provided so you can look up and integrate parsed WHOIS, normalized RDAP, and DNS and TLS certificate data for individual domains into your own application, workflow, or research. You may query domains you have a legitimate reason to query and display or store the results within your own product, subject to the restrictions below and to the rate limits and quotas for your plan. What you may not do: "You may not resell, sublicense, redistribute, or otherwise make the API responses available to third parties as a standalone data product or feed.", "You may not use it to systematically harvest, mirror, or reconstruct our database, the historical archive, or any substantial portion of it, and you may not circumvent the per-key quotas (for example by rotating keys or creating multiple free accounts).", "No using the API to send unsolicited communications, to facilitate unlawful activity, to attempt to de-anonymize or re-identify redacted registrant data, or to probe, overload, or interfere with the service or its infrastructure."
Plan
Pay$0
You get500 credits a month
Enough for500 calls a month
Rate limit
Per second1
Batch1
Speed
Answerin the call
The call
You senddomain. Optional: live
MethodGET
Path/v1/rdap/{domain}
About the plan
PlanFree
Who can get itanyone
The 25 fields the plan's answer can hold

domain, handle, object class name, status, RDAP conformance, resource URL, snapshot time, created date, expires date, name servers, entity handle, entity roles, entity name, entity kind, entity email, entity phone, entity fax, entity organization, entity address, entity address lines, entity country code, entity contact URI, entity public ID type, entity public ID, child entities

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