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RDAPAPI pricing: domain WHOIS API

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

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100% complete: all 9 fields on our checklistSee the 9 fields
$0.30per 1,000 domainsWe haven't run RDAPAPI 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 88% 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 RDAPAPI plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: Starter one of RDAPAPI's 6 plans
Call: GET /domain/{domain} one of RDAPAPI's 2 calls
API: Domain WHOIS API RDAPAPI's only API

About this item

  • A copy at most 48 hours old. You get WHOIS records from RDAPAPI's database.
  • All 9 fields on our checklist. Registrant, Registrar, Created on, Updated on, Expires on, Name servers, Statuses, DNSSEC, Abuse contact.
  • A monthly subscription. You pay $9 a month for 30,000 requests. Calls stop once your requests run out.
  • One call. You send domain to GET /domain/{domain}. You can also send follow and whois. The call returns the domain's WHOIS record.
  • Who can get it: anyone with an account. Keep data: no limit. Use data: with conditions.

RDAPAPI: domain WHOIS API alternatives

RDAPAPI 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 live data or data at most a week old.

This planRDAPAPI, $9 monthlyWhoisJsonAPI, $129 monthly, Premium, GET /v1/{domain}WhoisJSON, $100 yearlyHackerTarget, $2,400 yearlydomainIQ, $149.95 monthly, Expert, GET /api, 15,000 requests a day
$ per 1,000 domains$0.30$0.258$0.278$0.329$0.333
Completeness100%78%89%89%56%
Billingmonthlymonthlyyearlyyearlymonthly
Pay$9$129$100$2,400$149.95
Enough for30,000 calls a month500,000 calls a month30,000 calls a month20,000 calls a day15,000 results a day
Freshness48 hours24 hours3 hourslivelive
Who can get itanyone with an accountanyoneanyone at least 18 years old (or of legal majority in their jurisdiction), one account per individual or entityanyone who pays for a membership and is not in the business of creating similar documents, goods or services to provide them for a fee to usersanyone 18 or older

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. rdapapi.io
  2. rdapapi.io/docs
  3. rdapapi.io/llms.txt
  4. rdapapi.io/openapi.yaml
  5. rdapapi.io/pricing
  6. rdapapi.io/terms

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Registrant
  • Registrar
  • Created on
  • Updated on
  • Expires on
  • Name servers
  • Statuses
  • DNSSEC
  • Abuse contact
Price
$ per 1,000 domains$0.30
Percall
Billingmonthly
$ a month$9
Charges
Also pays forfrom the same budget: IP Address Lookup · ASN Lookup · Nameserver Lookup · Entity Lookup
Overage
Units caphard
Not found
$ per 1,000$0.30
In their words
Their pitchClean JSON for any domain across 1,200+ TLDs, including the ones RDAP still doesn't cover. We find the right server, manage rate limits, and pull registrar data when it lives there.
Data
Freshness48 hours
Keep datano limit
Use dataYou agree not to: Use the Service for any unlawful purpose. Attempt to circumvent rate limits or usage quotas. Resell API access without prior written consent. Interfere with or disrupt the Service infrastructure. Use the Service to harvest personal data in violation of applicable privacy laws.
Plan
Pay$9
You get30,000 requests a month
Enough for30,000 calls a month
Rate limit
Per second0.5
Batch1
Speed
Answerin the call
The call
You senddomain. Optional: follow, whois
MethodGET
Path/domain/{domain}
About the plan
PlanStarter
Who can get itanyone with an account
The 64 fields the plan's answer can hold

domain name, Unicode domain name, domain handle, domain status, registrar name, registrar IANA ID, registrar abuse email, registrar abuse phone, registrar URL, creation date, expiration date, updated date, name servers, DNSSEC, registrant handle, registrant name, registrant organization, registrant email, registrant phone, registrant address, registrant contact URL, registrant country code, administrative handle, administrative name, administrative organization, administrative email, administrative phone, administrative address, administrative contact URL, administrative country code, technical handle, technical name, technical organization, technical email, technical phone, technical address, technical contact URL, technical country code, billing handle, billing name, billing organization, billing email, billing phone, billing address, billing contact URL, billing country code, abuse handle, abuse name, abuse organization, abuse email, abuse phone, abuse address, abuse contact URL, abuse country code, redaction details, answering server, data protocol (RDAP or WHOIS), RDAP server, raw RDAP URL, served from cache, cache expiry time, registrar contacts followed, registrar RDAP server, follow error

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