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Horizon Pulse pricing: domain WHOIS API

Horizon Pulse's siteThis page as plain textDomain WHOIS API in 2026: the best of 20+ providers comparedHorizon Pulse: 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 Horizon Pulse 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 Horizon Pulse plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: x402 pay per call Horizon Pulse's only plan
Call: GET /api/domain/whois Horizon Pulse's only call for this API
API: Domain WHOIS API one of Horizon Pulse's 3 APIs

About this item

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

Horizon Pulse: domain WHOIS API alternatives

Horizon Pulse alternatives: other domain WHOIS API providers by price

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

This planHorizon Pulse, pay as you goHow.is, pay as you gofetcher.cloud, pay as you goIPIntel, pay as you goKadec0, pay as you go, x402 pay per call, GET /v1/whois-bulk
$ per 1,000 domains$5.00$5.00$5.00$5.00$5.00
Completeness78%56%44%56%44%
Billingpay as you gopay as you gopay as you gopay as you gopay as you go
Payper callper callper callper callper call
Freshnessunknownliveliveunknownunknown
Who can get itanyone, with no account or API key, paying each call in USDC from a wallet (x402)anyone, 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 paying from a USDC wallet on Base (x402)anyone with a wallet paying each call in 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. horizonpulse.dev/.well-known/x402
  3. horizonpulse.dev/docs
  4. horizonpulse.dev/llms.txt
  5. horizonpulse.dev/openapi.json
  6. horizonpulse.dev/terms/buyer
  7. horizonpulse.dev/x402-api

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
  • Expires on
  • Name servers
  • Statuses
  • DNSSEC
  • Abuse contact, not in the answer
Price
$ per 1,000 domains$5.00
Percall
Billingpay as you go
Charges
Also pays fornothing else
In their words
Their pitchOne .com, .net or .org domain from registry RDAP: registrar, dates, status, nameservers, DNSSEC, registry notices, source URL. No contact data.
Data
Keep datano limit
Use dataBuyer terms: results may not be used for marketing, spam or any unsolicited commercial message or solicitation, or to compile or resell a registration database. [...] Do not use results for unsolicited commercial messages or high-volume automated querying.
Plan
Payper call
Rate limit
Batch1
Speed
Answerin the call
The call
You senddomain
MethodGET
Path/api/domain/whois
About the plan
Planx402 pay per call
Who can get itanyone, with no account or API key, paying each call in USDC from a wallet (x402)
The 19 fields the plan's answer can hold

ok, domain, domain in Unicode, registrar, registrar IANA ID, registrar RDAP URL, created date, updated date, expiry date, statuses, nameservers, DNSSEC signed, registry notices, registry host, registry RDAP URL, source, attribution, disclaimer, buyer terms

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