Datacircle

Agent Extraction API pricing: domain WHOIS API

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

$0.00per 1,000 domainsWe haven't run Agent Extraction API 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 Agent Extraction API plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: Free call one of Agent Extraction API's 5 plans
Call: GET /api/domain-whois Agent Extraction API's only call for this API
API: Domain WHOIS API one of Agent Extraction API's 6 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 6 of the 9 fields on our checklist. Registrant, Registrar, Name servers, Statuses, DNSSEC, Abuse contact.
  • Nothing to pay. You get $1 of credit. You spend the credit on Agent Extraction API's other calls. This call is free for up to 1 call in all. Credit never expires.
  • One call. You send domain to GET /api/domain-whois. The call returns the domain's WHOIS record.
  • Who can get it: anyone, no wallet or account. Keep data: no limit. Use data: Data is provided as is, for information. Each response names its sources and their licenses..

Agent Extraction API: domain WHOIS API alternatives

Agent Extraction API alternatives: other domain WHOIS API providers by price

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

Agent Extraction API, pay as you goHow.is, pay as you gofetcher.cloud, pay as you goAgentUtility, pay as you go, Pay per call (x402), POST /whoisAgent402 Tools, pay as you go
$ per 1,000 domains$5.00$5.00$5.00$5.00$5.00
Completeness67%56%44%67%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 a wallet paying USDC on Base (x402), no account or API keyanyone, 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 Solana from a wallet (x402)anyone at least 18 (or the age of majority where they live, if higher), able to form a binding contract, not barred from receiving services under U.S. or other applicable law, not in an embargoed jurisdiction and not on a U.S. government sanctions list, with no account or API key, paying each call in USDC (or USDG on Robinhood Chain) over x402 or MPP

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. api.cdp.coinbase.com/platform/v2/x402/discovery/resources
  2. freetier-agent-api.pages.dev
  3. freetier-agent-api.pages.dev/.well-known/x402
  4. freetier-agent-api.pages.dev/llms-full.txt
  5. freetier-agent-api.pages.dev/openapi.json

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
  • DNSSEC
  • Abuse contact
Price
$ per 1,000 domains$0.00
Percall
Billingfree
Charges
Also pays fornothing else
Not found
$ per 1,000$0.00
In their words
Their pitchDomain registration lookup via RDAP (the official whois successor, IANA bootstrap): registered or not, registrar + IANA id + abuse email, created / updated / expiry dates, days to expiry, domain age, EPP status codes, nameservers, DNSSEC.
Data
Keep datano limit
Use dataData is provided as is, for information. Each response names its sources and their licenses.
Plan
Pay$0
You get$1
Enough for1 call, once
Expiresnever
Rate limit
Batch1
Speed
Answerin the call
The call
You senddomain
MethodGET
Path/api/domain-whois
About the plan
PlanFree call
Who can get itanyone, no wallet or account
The 18 fields the plan's answer can hold

domain, registered, handle, registrar name, registrar IANA ID, registrar abuse email, created, updated, expires, days to expiry, age in days, status, nameservers, DNSSEC, registrant, RDAP server, checked at, sources

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