Datacircle

Ops.Tools Domain WHOIS API pricing

Ops.Tools' siteThis page as plain textDomain WHOIS API in 2026: the best of 50+ providers comparedOps.Tools: domain WHOIS API alternatives

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22% complete: 2 of the 9 fields on our checklistSee the 9 fields
$1.165per 1,000 domainsWe haven't run Ops.Tools 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 73% of the 587 plans. Ops.Tools 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 Ops.Tools plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: Starter one of Ops.Tools' 5 plans
Call: GET /v1-whois-data Ops.Tools' only call for this API
API: Domain WHOIS API one of Ops.Tools' 3 APIs

About this item

  • Stored. You get WHOIS records from Ops.Tools' database. Ops.Tools doesn't say how old the data is.
  • 2 of the 9 fields on our checklist. Registrar, Name servers.
  • A monthly subscription. You pay $6.99 a month for 6,000 credits. Each call uses one credit. Unused credits expire each billing cycle.
  • One call. You send domain to GET /v1-whois-data. You can also send noCache, parseWhoisToJson, provider and cacheTimeSeconds. The call returns the domain's WHOIS record.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

Ops.Tools: domain WHOIS API alternatives

Ops.Tools 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 stored data.

This planOps.Tools, $6.99 monthlyTLDix, freeNetAPI, $49 monthly, Basic, GET /api-json/who.is, $199 monthly, Scale API Access, GET /v1/rdap/{domain}, Normalized RDAP recordDNSai, $499 monthly, Enterprise, GET /api/v1/domains/{id}/whois/
$ per 1,000 domains$1.165$0.00$0.817$1.327$1.663
Completeness22%56%44%44%89%
Billingmonthlyfreemonthlymonthlymonthly
Pay$6.99$0$49$199$499
Enough for6,000 calls a monthnot published60,000 calls a month150,000 calls a month10,000 calls a day
Freshnessstoredstoredstoredstoredstored
Who can get itanyoneanyone with an account (email verification first)anyone 18 or older, or of legal age of majorityanyoneanyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-12.

  1. ops.tools
  2. ops.tools/guides/mcp-server
  3. ops.tools/json/open-api.json
  4. ops.tools/open-api/reference
  5. ops.tools/pricing
  6. ops.tools/terms-of-service

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, not in the answer
  • Updated on, not in the answer
  • Expires on, not in the answer
  • Name servers
  • Statuses, not in the answer
  • DNSSEC, not in the answer
  • Abuse contact, not in the answer
Price
$ per 1,000 domains$1.165
Percall
Billingmonthly
$ a month$6.99
Charges
Also pays forfrom the same budget: Look up IP details · Look up DNS records · Check an SSL certificate · Analyze an HTTP endpoint · Scan ports
In their words
Their pitchRetrieve raw WHOIS registration data for a domain, with optional parsed JSON fields.
Data
Freshnessstored
Keep datano limit
Use dataYou may not use Ops.Tools to: Violate law, privacy rights, security policies, intellectual property rights, or third-party terms. Scan, probe, monitor, or test systems unless you are authorized to do so. Disrupt, overload, scrape, reverse engineer, or bypass limits on the website, APIs, or infrastructure. Transmit malware, phishing content, spam, credential material, secrets, or regulated data not needed for the service. Resell the service or API results as a competing bulk data product without written permission.
Plan
Pay$6.99
You get6,000 credits a month
Enough for6,000 calls a month
Expireseach billing cycle
Rate limit
Batch1
Speed
Answerin the call
The call
You senddomain. Optional: noCache, parseWhoisToJson, provider, cacheTimeSeconds
MethodGET
Path/v1-whois-data
About the plan
PlanStarter
Who can get itanyone
The 7 fields the plan's answer can hold

domain, WHOIS text, parsed WHOIS, registrar, registration dates, nameservers, performance timings

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