Datacircle

AI Rook pricing: domain WHOIS API

AI Rook's siteThis page as plain textDomain WHOIS API in 2026: the best of 20+ providers comparedAI Rook: domain WHOIS API alternatives

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33% complete: 3 of the 9 fields on our checklistSee the 9 fields
$0.00per 1,000 domainsWe haven't run AI Rook through our domain WHOIS API benchmark yet.This plan is free. We rank 495 plans for domain WHOIS APIs by price. Half the plans cost $1.575 or less per 1,000 domains. See the best free domain WHOIS API plan.Searchwire's $10 pack is the cheapest paid plan per 1,000 domains. Searchwire's domain WHOIS API costs nothing beyond the plan price. C99.nl's $25 yearly plan costs the least for 10,000 domains a month: $2.08.WhoisJSON, Enterno and IPAddress.to are the best domain WHOIS API providers in the Datacircle benchmark.
Type a number to see the cheapest AI Rook plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: Free trial one of AI Rook's 3 plans
Call: POST /api/whois AI Rook's only call for this API
API: Domain WHOIS API one of AI Rook's 4 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 3 of the 9 fields on our checklist. Registrant, Registrar, Name servers.
  • Nothing to pay. You get 1 request once.
  • One call. You send domain to POST /api/whois. The call returns the domain's WHOIS record.
  • Who can get it: anyone, one free call per wallet or IP address on each paid endpoint. Keep data: no API terms. Use data: no API terms.

AI Rook: domain WHOIS API alternatives

AI Rook alternatives: other domain WHOIS API providers by price

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

AI Rook, pay as you goCompanyfacts, $49 monthly2s.io, pay as you goHackerTarget, $250 packVee3, $5 monthly, Starter, GET /v1/domains/lookup
$ per 1,000 domains$2.50$2.45$2.50$2.50$2.50
Completeness33%67%56%89%78%
Billingpay as you gomonthlypay as you gopay firstmonthly
Payper call$49per call$250$5
Enough foras many as you pay for20,000 calls a monthas many as you pay for100,000 calls2,000 calls a month
Freshnessunknownunknownunknownliveunknown
Who can get itanyone with a wallet paying USDC on Base, Solana or Hedera, no account or API keyanyoneanyone with a wallet holding USDC on Base or Solana, paying each call over x402, with no account or API keymembers of any plananyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

  1. agents.ai-rook.com/.well-known/x402
  2. agents.ai-rook.com/llms.txt
  3. agents.ai-rook.com/openapi.json
  4. ai-rook.com/terms
  5. api.cdp.coinbase.com/platform/v2/x402/discovery/resources

Product details

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

  • Registrant
  • Registrar
  • Created on, not in the answer
  • Updated on, not in the answer
  • Expires on, not in the answer
  • Name servers
  • Statuses, not in the answer
  • DNSSEC, not in the answer
  • Abuse contact, not in the answer
Price
$ per 1,000 domains$0.00
Percall
Billingfree
Charges
Also pays for74 other calls: one free call each
Not found
$ per 1,000$0.00
In their words
Their pitchWHOIS domain lookup — registrar, registration/expiry dates, nameservers, registrant info.
Data
Keep datano API terms
Use datano API terms
Plan
Pay$0
You get1 request
Enough for1 call, once
Rate limit
Batch1
Speed
Answerin the call
The call
You senddomain
MethodPOST
Path/api/whois
About the plan
PlanFree trial
Who can get itanyone, one free call per wallet or IP address on each paid endpoint
The 5 fields the plan's answer can hold

registrar, registered at, expires at, nameservers, registrant

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