# Eckari, pay as you go, x402, GET /v1/domains/{domain}/registration: Domain WHOIS API

> The registry-level record for a domain: registrar, status codes, creation and expiry dates, nameservers and DNSSEC signing. Registrant contacts are redacted by registries.

Eckari's x402 plan for the domain WHOIS API costs $4.00 per 1,000 domains. Eckari's docs list 7 of the 9 fields on our checklist: Registrar, Created on, Updated on, Expires on, Name servers, DNSSEC, Abuse contact.
We haven't run Eckari through [our domain WHOIS API benchmark](https://datacircle.dev/best-domain-whois-api.txt) yet.
Half of the 349 plans we rank by price cost $1.495 per 1,000 domains or less. This plan costs less per 1,000 domains than 17% of the 349 plans.
[Searchwire's $10 pack](https://datacircle.dev/domain-whois-apis/searchwire/10-pack/llms.txt) is the cheapest paid plan per 1,000 domains. Searchwire's domain WHOIS API costs nothing beyond the plan price.
[Enterno](https://datacircle.dev/domain-whois-apis/enterno/free-open-api/llms.txt), [Robtex](https://datacircle.dev/domain-whois-apis/robtex/free/llms.txt) and [DomScan](https://datacircle.dev/domain-whois-apis/domscan/49-monthly-scale-post-v1-whois-bulk/llms.txt) are the best domain WHOIS API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/domain-whois-apis/eckari/pay-as-you-go-x402-get-v1-domains-domain-registration
- [Domain WHOIS API: the 18 best providers compared](https://datacircle.dev/best-domain-whois-api.txt)
- Get it: https://eckari.com/capabilities?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `GET https://api.eckari.com/v1/domains/{domain}/registration`
- API key: not needed
- Its API docs: https://eckari.com/capabilities/domain.registration?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Sold by: Eckari (https://eckari.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 78%
- Registrar: ✓
- Created on: ✓
- Updated on: ✓
- Expires on: ✓
- Name servers: ✓
- DNSSEC: ✓
- Abuse contact: ✓

## Price

- $ per 1,000 domains: $4.00
- Per: call
- Billing: pay as you go

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: The registry-level record for a domain: registrar, status codes, creation and expiry dates, nameservers and DNSSEC signing. Registrant contacts are redacted by registries.

## Data

- Freshness: live
- Keep data: no API terms
- Use data: When meta.attribution is present the source licence requires it: republish it with the data.

## Plan

- Pay: per call
- You get: 1 request
- Enough for: 1 call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: domain
- Method: GET
- Path: /v1/domains/{domain}/registration

## About the plan

- Plan: x402
- Who can get it: anyone, with no account: each call is paid in USDC on Base (eip155:8453)

## The 22 fields the plan's answer can hold

domain, unicode name, TLD, RDAP bootstrap suffix, registered flag, domain statuses, registrar, registrar IANA ID, registrar URL, registrar abuse email, created date, updated date, expires date, transferred date, name servers, DNSSEC status, RDAP server, RDAP last update, days until expiry, auto-renew flag, terms URL, availability note

## Eckari's plans (1)

- [Eckari, pay as you go, x402, GET /v1/domains/{domain}/registration](https://datacircle.dev/domain-whois-apis/eckari/pay-as-you-go-x402-get-v1-domains-domain-registration/llms.txt): $4.00 per 1,000, 78% complete, live

## Eckari's calls for this API (2)

- `GET /v1/domains/{domain}/expiry`: [Eckari, pay as you go, x402, GET /v1/domains/{domain}/expiry](https://datacircle.dev/domain-whois-apis/eckari/pay-as-you-go-x402-get-v1-domains-domain-expiry/llms.txt)
- `GET /v1/domains/{domain}/registration`: [Eckari, pay as you go, x402, GET /v1/domains/{domain}/registration](https://datacircle.dev/domain-whois-apis/eckari/pay-as-you-go-x402-get-v1-domains-domain-registration/llms.txt)

## Eckari's APIs (3)

- [Eckari: domain WHOIS API pricing, 1 plan, GET /v1/domains/{domain}/registration](https://datacircle.dev/domain-whois-apis/eckari/pay-as-you-go-x402-get-v1-domains-domain-registration/llms.txt)
- [Eckari: business verification API pricing, 1 plan, GET /v1/companies/us/resolve](https://datacircle.dev/business-verification-apis/eckari/pay-as-you-go-x402-get-v1-companies-us-resolve/llms.txt)
- [Eckari: business verification API pricing, 1 plan, GET /v1/companies/uk/search](https://datacircle.dev/business-verification-apis/eckari/pay-as-you-go-x402-get-v1-companies-uk-search/llms.txt)
- [Eckari: business verification API pricing, 1 plan, GET /v1/entities/lei/search](https://datacircle.dev/business-verification-apis/eckari/pay-as-you-go-x402-get-v1-entities-lei-search/llms.txt)
- [Eckari: company enrichment API pricing, 1 plan, GET /v1/entities/lei/{lei}](https://datacircle.dev/company-enrichment-apis/eckari/pay-as-you-go-x402-get-v1-entities-lei-lei/llms.txt)
- [Eckari: company enrichment API pricing, 1 plan, GET /v1/companies/uk/{company_number}](https://datacircle.dev/company-enrichment-apis/eckari/pay-as-you-go-x402-get-v1-companies-uk-company-number/llms.txt)
- [Eckari: company enrichment API pricing, 1 plan, GET /v1/companies/us/{id}](https://datacircle.dev/company-enrichment-apis/eckari/pay-as-you-go-x402-get-v1-companies-us-id/llms.txt)

## Eckari: domain WHOIS API alternatives

- [Whoxy, $3,500 pack](https://datacircle.dev/domain-whois-apis/whoxy/3500-pack/llms.txt): $3.50 per 1,000, 78% complete, live
- [WhoisFreaks, $20 pack, 5,000 API Credits, POST /v2.0/bulkwhois/live](https://datacircle.dev/domain-whois-apis/whoisfreaks/20-pack-5000-api-credits-post-v2-0-bulkwhois-live/llms.txt): $4.00 per 1,000, 100% complete, live
- [WhoAPI, $4,990 yearly, Business yearly, GET /, Live Whois API](https://datacircle.dev/domain-whois-apis/whoapi/4990-yearly-business-yearly-get-live-whois-api/llms.txt): $4.158 per 1,000, 78% complete, live
- [How.is, pay as you go](https://datacircle.dev/domain-whois-apis/how-is/pay-as-you-go/llms.txt): $5.00 per 1,000, 56% complete, live

## 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.

- https://api.eckari.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://api.eckari.com/v1/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://eckari.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://eckari.com/capabilities?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://eckari.com/capabilities/domain.registration?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://eckari.com/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing