Datacircle

AgentUtility pricing: domain WHOIS API, POST /whois-lookup

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67% complete: 6 of the 9 fields on our checklistSee the 9 fields

$5.00per 1,000 domainsWe haven't run AgentUtility through our domain WHOIS API benchmark yet.We rank 363 plans for domain WHOIS APIs by price. Half the plans cost $1.50 or less per 1,000 domains. This plan costs less per 1,000 domains than 12% of the 363 plans.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.Enterno, IPAddress.to and Robtex are the best domain WHOIS API providers in the Datacircle benchmark.
Type a number to see the cheapest AgentUtility plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: Pay per call (x402) AgentUtility's only plan
Call: POST /whois-lookup one of AgentUtility's 2 calls for this API
API: Domain WHOIS API one of AgentUtility's 8 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 6 of the 9 fields on our checklist. Registrar, Created on, Expires on, Name servers, Statuses, DNSSEC.
  • Nothing to buy first. You pay per call.
  • One call. You send domain to POST /whois-lookup. You can also send include_certificates. The call returns the domain's WHOIS record.
  • Who can get it: with conditions. Keep data: no API terms. Use data: no API terms.

AgentUtility: domain WHOIS API alternatives

AgentUtility alternatives: other domain WHOIS API providers by price

We list other providers' plans closest to this plan in price per 1,000 domains.

This planAgentUtility, pay as you go, Pay per call (x402), POST /whois-lookupHow.is, pay as you gofetcher.cloud, pay as you goappin60, pay as you goCall402, pay as you go
$ per 1,000 domains$5.00$5.00$5.00$5.00$5.00
Completeness67%56%44%56%56%
Billingpay as you gopay as you gopay as you gopay as you gopay as you go
Payper callper callper callper callper call
Freshnessunknownliveliveunknownunknown
Who can get itanyone, with no account or API key, paying each call in USDC on Base or Solana from a wallet (x402)anyone, with no account or API key, paying each call in USDC from a wallet: x402 on Baseany agent that can make an HTTP request and hold a wallet with USDC on Baseanyone, with no account or API key, paying each call in USDC on Base or Arbitrum (x402)anyone, with no account or API key, paying each call in USDC from a wallet: x402 on Base

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

  1. agentutility.ai
  2. agentutility.ai/start
  3. agentutility.ai/web-probe/whois-lookup
  4. x402.agentutility.ai/llms.txt
  5. x402.agentutility.ai/openapi.json

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
  • Created on
  • Updated on, not in the answer
  • Expires on
  • Name servers
  • Statuses
  • DNSSEC
  • Abuse contact, not in the answer
Price
$ per 1,000 domains$5.00
Percall
Billingpay as you go
Charges
Also pays fornothing else
In their words
Their pitchWHOIS API and RDAP domain lookup for agents.
Data
Keep datano API terms
Use datano API terms
Plan
Payper call
Rate limit
Batch1
Speed
Answerin the call
The call
You senddomain. Optional: include_certificates
MethodPOST
Path/whois-lookup
About the plan
PlanPay per call (x402)
Who can get itanyone, with no account or API key, paying each call in USDC on Base or Solana from a wallet (x402)
The 17 fields the plan's answer can hold

domain, found, RDAP server, registration date, expiry date, last changed, transfer date, domain age days, days until expiry, registrar, registrar IANA ID, contacts, nameservers, DNSSEC signed, status, risk signals, certificate summary

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