Datacircle

DomainDetails pricing: domain WHOIS API, GET /api/whois/{domain}

DomainDetails's siteThis page as plain textDomain WHOIS API in 2026: the best of 30+ providers comparedDomainDetails: domain WHOIS API alternatives

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44% complete: 4 of the 9 fields on our checklistSee the 9 fields
$0.00per 1,000 domainsIn our domain WHOIS API benchmark, the best plan from DomainDetails scores 90.6 out of 100. DomainDetails ranks 3rd of 38 providers.This plan is free. We rank 589 plans for domain WHOIS APIs by price. Half the plans cost $1.67 or less per 1,000 domains. See the best free domain WHOIS API plan.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.thenetworkery, FluentEDI and DomainDetails are the best domain WHOIS API providers in the Datacircle benchmark.
Type a number to see the cheapest DomainDetails plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: Free one of DomainDetails's 6 plans
Call: GET /api/whois/{domain} one of DomainDetails's 3 calls
API: Domain WHOIS API DomainDetails's only API

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 pay. DomainDetails limits how many calls you get but gives no number.
  • One call. You send domain to GET /api/whois/{domain}. The call returns the domain's WHOIS record.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

DomainDetails: domain WHOIS API alternatives

DomainDetails alternatives: every domain WHOIS API provider ranked

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

This planDomainDetails, free, GET /api/whois/{domain}thenetworkery, freeFluentEDI, freeDC5 WHOIS, free, Public instance, GET /api/v1/domainWhoisJSON, free
$ per 1,000 domains$0.00$0.00$0.00$0.00$0.00
Completeness44%100%67%78%89%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough fornot publishednot publishedno limitnot published1,000 calls a month
Freshnessunknownliveliveunknown3 hours
Who can get itanyoneanyone, to check systems they own, run or are authorised to testanyoneanyone, with no registration, for lawful infrastructure, security and research purposesanyone at least 18 years old (or of legal majority in their jurisdiction), one account per individual or entity

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. api.domaindetails.com/docs/
  2. api.domaindetails.com/openapi.yaml
  3. domaindetails.com/features/changelog
  4. domaindetails.com/legal/tos
  5. domaindetails.com/plans
  6. domaindetails.com/plans/enterprise
  7. domaindetails.com/plans/pro

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$0.00
Percall
Billingfree
Charges
Also pays forRDAP Lookup · WHOIS Lookup (Query Parameter) · DNS Lookup · SSL Certificate Check · Wayback Machine History · Check Domain Pricing
Not found
$ per 1,000 calls that find nothing$0.00
In their words
Their pitchDomain information lookup API providing WHOIS/RDAP data, marketplace search, and pricing information.
Data
Keep datano limit
Use dataYou are granted a limited, non-exclusive, non-transferable license to: Access and use the Service for personal or internal business purposes [...] Display domain information obtained through the Service [...] Automated access to our Service is subject to the following conditions: [...] Web Service: Automated queries to our website (excluding the MCP server) are prohibited without explicit written permission. [...] Commercial Use: If you wish to integrate our Service into a commercial product or service, please contact us [...] for licensing arrangements.
Plan
Pay$0
Rate limit
Batch1
Speed
Answerin the call
The call
You senddomain
MethodGET
Path/api/whois/{domain}
About the plan
PlanFree
Who can get itanyone
The 8 fields the plan's answer can hold

domain name, registry domain ID, registrar, registrar IANA ID, creation date, expiration date, name servers, raw record

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