Datacircle

OnchainCheck pricing: domain WHOIS API

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44% complete: 4 of the 9 fields on our checklistSee the 9 fields

$3.00per 1,000 domainsWe haven't run OnchainCheck through our domain WHOIS API benchmark yet.We rank 495 plans for domain WHOIS APIs by price. Half the plans cost $1.575 or less per 1,000 domains. This plan costs less per 1,000 domains than 28% of the 495 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.WhoisJSON, Enterno and IPAddress.to are the best domain WHOIS API providers in the Datacircle benchmark.
Type a number to see the cheapest OnchainCheck plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: x402 pay per call OnchainCheck's only plan
Call: GET /domain/lookup OnchainCheck's only call for this API
API: Domain WHOIS API one of OnchainCheck's 8 APIs

About this item

  • Live. OnchainCheck reads the domain's WHOIS record when you call the API.
  • 4 of the 9 fields on our checklist. Registrar, Name servers, Statuses, DNSSEC.
  • Nothing to buy first. You pay per call.
  • One call. You send domain to GET /domain/lookup. The call returns the domain's WHOIS record.
  • Who can get it: anyone with a wallet paying USDC on Base (x402), no account or API key. Keep data: no API terms. Use data: no API terms.

OnchainCheck: domain WHOIS API alternatives

OnchainCheck alternatives: other domain WHOIS API providers by price

We list other providers' plans closest to this plan in price per 1,000 domains. Each plan in the table gives live data.

This planOnchainCheck, pay as you goWhoisFreaks, $150 pack, 50,000 API Credits, POST /v2.0/bulkwhois/liveAveDaris, pay as you goMacaroon Network, pay as you goNoJunk, pay as you go
$ per 1,000 domains$3.00$3.00$3.00$3.00$3.00
Completeness44%100%56%56%33%
Billingpay as you gopay firstpay as you gopay as you gopay as you go
Payper call$150per callper callper call
Enough foras many as you pay for50,000 resultsas many as you pay foras many as you pay foras many as you pay for
Freshnesslivelivelivelivelive
Who can get itanyone with a wallet paying USDC on Base (x402), no account or API keyanyone 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 wallet paying each call in USDC on Base (x402), with no account or API keyanyone with a wallet paying each call in USDC on Base (x402), no account or API keyanyone with a wallet paying USDC on Base (x402), no account or API key

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. onchaincheck.dev
  3. onchaincheck.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, not in the answer
  • 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, not in the answer
Price
$ per 1,000 domains$3.00
Percall
Billingpay as you go
Charges
Also pays fornothing else
Not found
$ per 1,000$0.00
In their words
Their pitchEverything about a domain in one call: DNS records (A, AAAA, NS, MX, TXT, CAA, CNAME), email security graded A-F (mail provider, SPF, DMARC policy, DKIM at common selectors, BIMI, with findings) and RDAP registration (registrar, created, expires, age in days, status, nameservers, DNSSEC).
Data
Freshnesslive
Keep datano API terms
Use datano API terms
Plan
Payper call
Rate limit
Batch1
Speed
Answerin the call
The call
You senddomain
MethodGET
Path/domain/lookup
About the plan
Planx402 pay per call
Who can get itanyone with a wallet paying USDC on Base (x402), no account or API key
The 11 fields the plan's answer can hold

domain, registrar, created, expires, updated, age in days, status, nameservers, DNSSEC, registration source, checked at

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