Datacircle

heade.rs pricing: domain WHOIS API

heade.rs's siteThis page as plain textDomain WHOIS API in 2026: the best of 30+ providers comparedheade.rs: domain WHOIS API alternatives

Is heade.rs yours? Write to us about our scores for this plan. We invite selected tool providers to our WhatsApp group.

89% complete: 8 of the 9 fields on our checklistSee the 9 fields
$0.00per 1,000 domainsIn our domain WHOIS API benchmark, this plan scores 74.4 out of 100. heade.rs ranks 13th of 38 providers.We rank 589 plans for domain WHOIS APIs by price. Half the plans cost $1.67 or less per 1,000 domains. This plan and 29 others tie for the lowest price per 1,000 domains of the 589 plans. See the best free domain WHOIS API plan.thenetworkery, FluentEDI and DomainDetails are the best domain WHOIS API providers in the Datacircle benchmark.
Type a number to see the cheapest heade.rs plan for that many domains. The table below then sorts the other plans by what each costs.
Plan: Free heade.rs's only plan
Call: GET /api/{query} heade.rs's only call
API: Domain WHOIS API one of heade.rs's 3 APIs

About this item

  • Live. heade.rs reads the domain's WHOIS record when you call the API.
  • 8 of the 9 fields on our checklist. Registrant, Registrar, Created on, Updated on, Expires on, Name servers, Statuses, DNSSEC.
  • Nothing to pay. heade.rs limits how many calls you get but gives no number.
  • One call. You send query to GET /api/{query}. The call returns the domain's WHOIS record.
  • Who can get it: anyone, with no account or API key. Keep data: no API terms. Use data: no API terms.

heade.rs: domain WHOIS API alternatives

heade.rs alternatives: every domain WHOIS API provider ranked

We list other providers' plans closest to this plan in price per 1,000 domains. Each plan in the table gives live data.

This planheade.rs, freethenetworkery, freeFluentEDI, freeEnterno, free, ScoutIPAddress.to, free
$ per 1,000 domains$0.00$0.00$0.00$0.00$0.00
Completeness89%100%67%89%89%
Billingfreefreefreefreefree
Pay$0$0$0₽0$0
Enough fornot publishednot publishedno limit200 calls a dayno limit
Freshnesslivelivelivelivelive
Who can get itanyone, with no account or API keyanyone, to check systems they own, run or are authorised to testanyoneanyone with an accountanyone

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. heade.rs
  2. heade.rs/.well-known/agent-skills/heade-rs/SKILL.md
  3. heade.rs/api/1.1.1.1
  4. heade.rs/api/github.com
  5. heade.rs/llms.txt
  6. heade.rs/openapi.json
  7. heade.rs/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, not in the answer
Score
Overall score74.4
Price score100
Accuracy score79
Cost to get started score100
Bundle score0
Performance score4
Price
$ per 1,000 domains$0.00
Percall
Billingfree
Charges
Also pays fornothing else
Not found
$ per 1,000 calls that find nothing$0.00
In their words
Their pitchRegistration: the domain's registrar, dates and status, or the regional registry's record for an address
Data
Freshnesslive
Keep datano API terms
Use datano API terms
Plan
Pay$0
Rate limit
Per second0.5 (30 a minute)
Batch1
Speed
Answerin the call
Median2.51 s
The call
You sendquery
MethodGET
Path/api/{query}
About the plan
PlanFree
Who can get itanyone, with no account or API key
The 12 fields the plan's answer can hold

domain, registrar, registrar ID, registrant, created date, updated date, expires date, statuses, nameservers, DNSSEC signed, registry server, record source

Best GTM APIs