Datacircle

Siftwright pricing: domain WHOIS API

Siftwright's siteThis page as plain textDomain WHOIS API: the 13 best providers comparedSiftwright: domain WHOIS API alternatives

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89% complete: 8 of the 9 fields on our checklistSee the 9 fields
$0.967per 1,000 domainsWe haven't run Siftwright through our domain WHOIS API benchmark yet.Half of the 316 plans we rank by price cost $1.495 per 1,000 domains or less. This plan costs less per 1,000 domains than 82% of the 316 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.Robtex, DomScan and WhoisFreaks are the best domain WHOIS API providers in the Datacircle benchmark.
Type a number to see the cheapest Siftwright plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: Starter one of Siftwright's 4 plans
Call: POST /v1/domain-whois Siftwright's only call for this API
API: Domain WHOIS API one of Siftwright's 5 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 8 of the 9 fields on our checklist. Registrar, Created on, Updated on, Expires on, Name servers, Statuses, DNSSEC, Abuse contact.
  • A monthly subscription. You pay $29 a month for 10,000 results, enough for 30,000 results. Calls stop once your results run out. Unused results expire at the end of billing period.
  • One call. You send domain or domains to POST /v1/domain-whois. You can also send includeDns. The call returns each domain's WHOIS record.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

Siftwright: domain WHOIS API alternatives

Siftwright alternatives: other domain WHOIS API providers by price

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

This planSiftwright, $29 monthlyWhoisFreaks, $1,000 monthly, Monthly Subscription, 1,000,000 API Credits, POST /v2.0/bulkwhois/liveWhoxy, $1,000 packDomScan, $85 pack, 250,000 credits, POST /v1/whois/bulkChinaz, CNY 14,000 pack, 2,000,000 calls, GET /single/whois
$ per 1,000 domains$0.967$1.00$1.00$1.02$1.047
Completeness89%100%78%100%67%
Billingmonthlymonthlypay firstpay firstpay first
Pay$29$1,000$1,000$85CNY 14,000
Enough for30,000 results a month1,000,000 results a month1,000,000 callsabout 83,333 results2,000,000 calls
Freshnessunknownliveliveunknownunknown
Who can get itanyoneanyone over the age of 13 with a real company or personal email, not for gambling, adult content, dating, the alcohol industry, defense or military organizationsanyone 13 or older with an account, one account per person or legal entityanyoneanyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-07.

  1. siftwright.com/api
  2. siftwright.com/docs
  3. siftwright.com/domain-whois-lookup
  4. siftwright.com/openapi.json
  5. siftwright.com/pricing
  6. siftwright.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
  • Expires on
  • Name servers
  • Statuses
  • DNSSEC
  • Abuse contact
Price
$ per 1,000 domains$0.967
Perresult
Billingmonthly
$ a month$29
Charges
Also pays forfrom the same budget: POST /v1/youtube-transcript · POST /v1/screenshot · POST /v1/google-news · POST /v1/pqc-scan · POST /v1/contact-details · POST /v1/tech-stack · Apple App Store reviews endpoint (POST /v1/app-store-reviews) · POST /v1/ats-jobs
Overage
Units caphard
Not found
$ per 1,000$0.967
In their words
Their pitchWho registered that domain, when, and until when.
Data
Keep datano limit
Use dataYou're responsible for how you use the tools and the data they return. Use them lawfully, respect the terms and rights of the websites and services you access, and don't use them to harm others or to collect personal data without a lawful basis.
Plan
Pay$29
You get10,000 results a month
Enough for30,000 results a month
Expiresend of billing period
Rate limit
Per second1
Batch50
Speed
Answerin the call
The call
You sendone of domain or domains. Optional: includeDns
MethodPOST
Path/v1/domain-whois
About the plan
PlanStarter
Who can get itanyone
The 21 fields the plan's answer can hold

domain, TLD, is registered, likely available, registrar, registrar IANA ID, registrar abuse email, created date, updated date, expiry date, domain age, days until expiry, status codes, name servers, DNSSEC, DNS records, lookup source, lookup source URL, status, results returned, credits used

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