Datacircle

Lookproof Domain WHOIS API pricing

Lookproof's siteThis page as plain textDomain WHOIS API in 2026: the best of 50+ providers comparedLookproof: domain WHOIS API alternatives

Is Lookproof yours? Write to us about this page. We invite selected tool providers to our WhatsApp group.

67% complete: 6 of the 9 fields on our checklistSee the 9 fields
$0.00per 1,000 domainsWe haven't run Lookproof through our domain WHOIS API benchmark yet.This plan is free. We rank 587 plans for domain WHOIS APIs by price. Half the plans cost $1.54 or less per 1,000 domains. 133 domain WHOIS API plans on our price sheet are free. WhoisRequest's free plan scores highest of the free plans in our benchmark, at 96.9 out of 100.Searchwire's $10 pack is the cheapest paid plan per 1,000 domains. Searchwire's domain WHOIS API costs nothing beyond the plan price. UAPI's CNY 4.90 pack costs the least for 10,000 domains a month: about $0.73.WhoisRequest, thenetworkery and FluentEDI are the best domain WHOIS API providers in the Datacircle benchmark.
Type a number to see the cheapest Lookproof plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: Free API key one of Lookproof's 3 plans
Call: GET /v1/domain/rdap Lookproof's only call
API: Domain WHOIS API Lookproof's only API

About this item

  • A copy at most 5 minutes old. You get WHOIS records from Lookproof's database.
  • 6 of the 9 fields on our checklist. Registrar, Created on, Expires on, Name servers, Statuses, DNSSEC.
  • Nothing to pay. You get 250 credits a month. Each call uses one credit. Calls stop once your credits run out.
  • One call. You send domain to GET /v1/domain/rdap. The call returns the domain's WHOIS record.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

Lookproof: domain WHOIS API alternatives

Lookproof alternatives: other domain WHOIS API providers by price

The table starts with Lookproof's cheapest paid plan. Next come plans from other providers with the price per 1,000 domains closest to Lookproof's. Each plan in the table gives live data or data at most an hour old.

Lookproof, pay as you goDomainDrift, pay as you go, Pay per call, GET /v1/whois/{domain}Datakoot, pay as you go, x402 pay per call, POST /api/domain_intelWhoisXML API, $24,000 yearly, Yearly subscription 1,000,000 Queries per month, GET /whoisserver/WhoisService, WHOIS API real-timePapaCasper, pay as you go
$ per 1,000 domains$10.00$10.00$10.00$10.00$10.00
Completeness67%89%78%78%56%
Billingpay as you gopay as you gopay as you goyearlypay as you go
Payper callper callper call$24,000per call
Enough foras many as you pay foras many as you pay foras many as you pay for200,000 calls a monthas many as you pay for
Freshness5 minutes1 hourlivelivelive
Who can get itanyone with an ordinary (EOA) wallet holding USDC on Baseanyone aged 18 or over with a USDC wallet on Baseanyone with a wallet holding USDC on Base, paying each call over x402, with no account or API keyanyone, for internal business purposesanyone with a wallet paying each call in USDC on Base through x402, with no signup

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

  1. lookproof.dev/api-keys
  2. lookproof.dev/docs/api/domain-rdap
  3. lookproof.dev/docs/freshness
  4. lookproof.dev/docs/payments
  5. lookproof.dev/llms.txt
  6. lookproof.dev/openapi.json
  7. lookproof.dev/pricing
  8. lookproof.dev/terms
  9. lookproof.dev/tools/domain/rdap-lookup

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$0.00
Percall
Billingfree
Charges
Also pays forfrom the same budget: 45 other Lookproof calls
Overage
Units caphard
Not found
$ per 1,000 calls that find nothing$0.00
In their words
Their pitchChecks and diagnostics for developers and AI agents.
Data
Freshness5 minutes
Keep datano limit
Use dataYou agree to: use the service for lawful purposes only, respect rate limits, and not try to get around them, not use the service to attack, overload or harass anyone, or to disrupt the service [...] You may not resell the service or present it as your own without permission.
Plan
Pay$0
You get250 credits a month
Enough for250 calls a month
Rate limit
Per second0.17 (10 a minute)
Batch1
Speed
Answerin the call
The call
You senddomain
MethodGET
Path/v1/domain/rdap
About the plan
PlanFree API key
Who can get itanyone with an email address: the key is emailed to the address in the request form
The 20 fields the plan's answer can hold

domain, registered, LDH name, registrar, registrar IANA ID, creation date, last changed date, expiration date, days until expiry, domain status, name servers, DNSSEC signed, RDAP server, lookup status, checked at, request ID, cache hit, cache expiry time, duration, findings

Best GTM APIs