Datacircle

Kadec0 pricing: domain WHOIS API, GET /v1/whois-bulk

Kadec0's siteThis page as plain textDomain WHOIS API in 2026: the best of 20+ providers comparedKadec0: domain WHOIS API alternatives

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44% complete: 4 of the 9 fields on our checklistSee the 9 fields
$5.00per 1,000 domainsWe haven't run Kadec0 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 Kadec0 plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: x402 pay per call Kadec0's only plan
Call: GET /v1/whois-bulk one of Kadec0's 3 calls for this API
API: Domain WHOIS API one of Kadec0's 9 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 4 of the 9 fields on our checklist. Registrar, Created on, Expires on, Name servers.
  • Nothing to buy first. You pay per call.
  • One call. You send domains to GET /v1/whois-bulk. The call returns each domain's WHOIS record.
  • Who can get it: with conditions. Keep data: no API terms. Use data: no API terms.

Kadec0: domain WHOIS API alternatives

Kadec0 alternatives: other domain WHOIS API providers by price

We list other providers' plans closest to this plan in price per 1,000 domains.

This planKadec0, pay as you go, x402 pay per call, GET /v1/whois-bulkHow.is, pay as you gofetcher.cloud, pay as you goNero Labs, pay as you goMekong Trade Intel, pay as you go
$ per 1,000 domains$5.00$5.00$5.00$5.00$5.00
Completeness44%56%44%78%56%
Billingpay as you gopay as you gopay as you gopay as you gopay as you go
Payper callper callper callper callper call
Freshnessunknownliveliveliveunknown
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 Baseanyone with a wallet paying each call in USDC on Base (x402), with no account or API keyanyone with a wallet that pays USDC on Base (x402), with 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. api.kadec0.xyz/
  3. api.kadec0.xyz/.well-known/x402
  4. api.kadec0.xyz/docs
  5. api.kadec0.xyz/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
  • Updated on, not in the answer
  • Expires on
  • Name servers
  • Statuses, not in the answer
  • DNSSEC, not in the answer
  • Abuse contact, not in the answer
Price
$ per 1,000 domains$5.00
Perresult
Billingpay as you go
Charges
Also pays fornothing else
In their words
Their pitchBulk WHOIS lookup. Registrar, dates, and nameservers for up to 10 domains in a single batch call.
Data
Keep datano API terms
Use datano API terms
Plan
Payper call
Rate limit
Batch10
Speed
Answerin the call
The call
You senddomains
MethodGET
Path/v1/whois-bulk
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 5 fields the plan's answer can hold

domain, registrar, creation date, expiry date, nameservers

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