Datacircle

Nero Labs pricing: domain WHOIS API

Nero Labs's siteThis page as plain textDomain WHOIS API in 2026: the best of 20+ providers comparedNero Labs: domain WHOIS API alternatives

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78% complete: 7 of the 9 fields on our checklistSee the 9 fields
$5.00per 1,000 domainsWe haven't run Nero Labs 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 18% 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 Nero Labs plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: x402 pay per call Nero Labs's only plan
Call: POST /whois Nero Labs's only call for this API
API: Domain WHOIS API one of Nero Labs's 6 APIs

About this item

  • Live. Nero Labs reads the domain's WHOIS record when you call the API.
  • 7 of the 9 fields on our checklist. Registrant, Registrar, Created on, Expires on, Name servers, Statuses, DNSSEC.
  • Nothing to buy first. You pay per call.
  • One call. You send domains or rows to POST /whois. You can also send domainField, keep, expiringWithinDays, newerThanDays and includeRegistrantOrganization. The call returns each domain's WHOIS record.
  • Who can get it: with conditions. Keep data: no API terms. Use data: no API terms.

Nero Labs: domain WHOIS API alternatives

Nero Labs 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 planNero Labs, pay as you goHow.is, pay as you gofetcher.cloud, pay as you goDomainRef, pay as you go, Pay per call, GET /v1/domain/ageGenexxis, pay as you go, x402 pay per call, GET /domain-info
$ per 1,000 domains$5.00$5.00$5.00$5.00$5.00
Completeness78%56%44%78%78%
Billingpay as you gopay as you gopay as you gopay as you gopay as you go
Payper callper callper callper callper call
Enough foras many as you pay foras many as you pay foras many as you pay for1 callas many as you pay for
Freshnesslivelivelivelivelive
Who can get itanyone with a wallet paying each call in USDC on Base (x402), with 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 Baseanyoneanyone with a wallet holding USDC on Base, with no account or API key, paying each call (x402)

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. x402-agent-tools.nerolabs.workers.dev
  3. x402-agent-tools.nerolabs.workers.dev/.well-known/x402
  4. x402-agent-tools.nerolabs.workers.dev/llms.txt
  5. x402-agent-tools.nerolabs.workers.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
  • 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
Perresult
Billingpay as you go
Charges
Also pays fornothing else
Not found
$ per 1,000$0.00
In their words
Their pitchLooks up up to 15 domains in the official RDAP registries (the modern WHOIS): when each was registered and how old it is, when it expires, the registrar, status codes and name servers. Flags new domains and ones about to expire.
Data
Freshnesslive
Keep datano API terms
Use datano API terms
Plan
Payper call
Rate limit
Batch15
Speed
Answerin the call
The call
You sendone of domains or rows. Optional: domainField, keep, expiringWithinDays, newerThanDays, includeRegistrantOrganization
MethodPOST
Path/whois
About the plan
Planx402 pay per call
Who can get itanyone with a wallet paying each call in USDC on Base (x402), with no account or API key
The 47 fields the plan's answer can hold

input, domain, lookup status, lookup status detail, registered, created date, expiry date, last changed date, age in days, age in years, days until expiry, expired, expiring soon, new domain, registrar name, registrar IANA ID, name servers, name server count, DNSSEC, domain locked, pending delete, status, registrant organization, registrant country, contact data redacted, RDAP server, checked at, input row count, unique domains, domains answered, registered count, unregistered count, output row count, status counts, top registrars, expiring soon count, new domain count, oldest domain, newest domain, unsupported TLDs, registry terms blocked TLDs, retried domains, registry requests, server list published, duration, data note, warnings

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