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PapaCasper Domain WHOIS API pricing

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

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56% complete: 5 of the 9 fields on our checklistSee the 9 fields
$10.00per 1,000 domainsWe haven't run PapaCasper through our domain WHOIS API benchmark yet.We rank 587 plans for domain WHOIS APIs by price. Half the plans cost $1.54 or less per 1,000 domains. This plan costs less per 1,000 domains than 9% of the 587 plans. PapaCasper has no free domain WHOIS API plan. 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 PapaCasper plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: x402 pay per call one of PapaCasper's 3 plans
Call: POST /mcp/pay/whois_lookup PapaCasper's only call for this API
API: Domain WHOIS API one of PapaCasper's 5 APIs

About this item

  • Live. PapaCasper reads the domain's WHOIS record when you call the API.
  • 5 of the 9 fields on our checklist. Registrar, Created on, Expires on, Name servers, Statuses.
  • Nothing to buy first. You pay per call.
  • One call. You send domain to POST /mcp/pay/whois_lookup. The call returns the domain's WHOIS record.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

PapaCasper: domain WHOIS API alternatives

PapaCasper 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 planPapaCasper, pay as you goDatakoot, 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-timeAgent Data Tools, pay as you goDelx.ai, pay as you go
$ per 1,000 domains$10.00$10.00$10.00$10.00$10.00
Completeness56%78%78%56%44%
Billingpay as you gopay as you goyearlypay as you gopay as you go
Payper callper call$24,000per callper call
Enough foras many as you pay foras many as you pay for200,000 calls a monthas many as you pay foras many as you pay for
Freshnesslivelivelivelivelive
Who can get itanyone with a wallet paying each call in USDC on Base through x402, with no signupanyone 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 USDC per call (x402, or MPP), no account or API keyanyone

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. papacasper.com/guides/whois-lookup
  2. papacasper.com/llms.txt
  3. papacasper.com/mcp-docs
  4. papacasper.com/openapi.json
  5. papacasper.com/terms

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, not in the answer
  • Abuse contact, not in the answer
Price
$ per 1,000 domains$10.00
Percall
Billingpay as you go
Charges
Also pays fornothing else
In their words
Their pitchLook up a domain's WHOIS registration record: registrar, creation and expiry dates, days remaining, name servers, and domain statuses, direct from the TLD registry.
Data
Freshnesslive
Keep datano limit
Use dataYou may use our sites for lawful purposes. Please do not abuse them: no attempts to break into, overload, or disrupt the sites, the MCP Toolbelt, or the public DNS service, and no use of any of them for illegal activity.
Plan
Payper call
Rate limit
Batch1
Speed
Answerin the call
The call
You senddomain
MethodPOST
Path/mcp/pay/whois_lookup
About the plan
Planx402 pay per call
Who can get itanyone with a wallet paying each call in USDC on Base through x402, with no signup
The 6 fields the plan's answer can hold

registrar, created date, expires date, days remaining, name servers, status

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