# Greeneris, pay as you go: Domain WHOIS API

> Authoritative domain registration facts from the ICANN-mandated RDAP protocol (rdap.org bootstrap -> registry of record), normalized across all TLDs

Greeneris's Pay per call with x402 plan for the domain WHOIS API costs $5.00 per 1,000 domains. Greeneris's docs list 5 of the 9 fields on our checklist: Registrar, Created on, Expires on, Name servers, Statuses.
We haven't run Greeneris through [our domain WHOIS API benchmark](https://datacircle.dev/best-domain-whois-api.txt) yet.
Half of the 350 plans we rank by price cost $1.495 per 1,000 domains or less. This plan costs less per 1,000 domains than 12% of the 350 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. [C99.nl's $25 yearly plan](https://datacircle.dev/domain-whois-apis/c99-nl/25-yearly/llms.txt) costs the least for 10,000 domains a month: $2.08.
[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/greeneris/pay-as-you-go
- [Domain WHOIS API: the 18 best of 60+ providers compared](https://datacircle.dev/best-domain-whois-api.txt)
- Get it: https://data.greeneris.io/x402-manifest?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `GET https://data.greeneris.io/v1/domain/rdap`
- API key: not needed
- Its API docs: https://data.greeneris.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing#/default/route_v1_domain_rdap_v1_domain_rdap_get
- Sold by: Greeneris (https://greeneris.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 56%
- Registrar: ✓
- Created on: ✓
- Expires on: ✓
- Name servers: ✓
- Statuses: ✓

## Price

- $ per 1,000 domains: $5.00
- 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: Authoritative domain registration facts from the ICANN-mandated RDAP protocol (rdap.org bootstrap -> registry of record), normalized across all TLDs

## Data

- Freshness: 1 day
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: per call

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: domain
- Method: GET
- Path: /v1/domain/rdap

## About the plan

- Plan: Pay per call with x402
- Who can get it: anyone paying from a USDC wallet on Base (x402)

## The 9 fields the plan's answer can hold

domain, registration date, expiry date, last changed, domain age days, registrar, status, nameservers, source

## Greeneris's plans (1)

- [Greeneris, pay as you go](https://datacircle.dev/domain-whois-apis/greeneris/pay-as-you-go/llms.txt): $5.00 per 1,000, 56% complete, 1 day

## Greeneris's calls for this API (1)

- `GET /v1/domain/rdap`: [Greeneris, pay as you go](https://datacircle.dev/domain-whois-apis/greeneris/pay-as-you-go/llms.txt)

## Greeneris's APIs (5)

- [Greeneris: company hierarchy API pricing, 1 plan](https://datacircle.dev/company-hierarchy-apis/greeneris/pay-as-you-go/llms.txt)
- [Greeneris: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/greeneris/pay-as-you-go/llms.txt)
- [Greeneris: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/greeneris/pay-as-you-go/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/cz/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-cz-company/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/fi/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-fi-company/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/fr/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-fr-company/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/ie/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-ie-company/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/no/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-no-company/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/sk/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-sk-company/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/ch/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-ch-company/llms.txt)
- [Greeneris: business verification API pricing, 1 plan, GET /v1/uk/company](https://datacircle.dev/business-verification-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-uk-company/llms.txt)
- [Greeneris: company enrichment API pricing, 1 plan, GET /v1/fr/invoice-ready](https://datacircle.dev/company-enrichment-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-fr-invoice-ready/llms.txt)
- [Greeneris: company enrichment API pricing, 1 plan, GET /v1/global/lei](https://datacircle.dev/company-enrichment-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-global-lei/llms.txt)
- [Greeneris: company enrichment API pricing, 1 plan, GET /v1/eu/company-check](https://datacircle.dev/company-enrichment-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-eu-company-check/llms.txt)
- [Greeneris: company enrichment API pricing, 1 plan, GET /v1/fr/supplier-risk](https://datacircle.dev/company-enrichment-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-fr-supplier-risk/llms.txt)
- [Greeneris: company enrichment API pricing, 1 plan, GET /v1/pl/company](https://datacircle.dev/company-enrichment-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-pl-company/llms.txt)
- [Greeneris: company enrichment API pricing, 1 plan, GET /v1/eu/eori](https://datacircle.dev/company-enrichment-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-eu-eori/llms.txt)
- [Greeneris: company enrichment API pricing, 1 plan, GET /v1/eu/vat-check](https://datacircle.dev/company-enrichment-apis/greeneris/pay-as-you-go-pay-per-call-with-x402-get-v1-eu-vat-check/llms.txt)

## Greeneris: domain WHOIS API alternatives

- [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
- [fetcher.cloud, pay as you go](https://datacircle.dev/domain-whois-apis/fetcher-cloud/pay-as-you-go/llms.txt): $5.00 per 1,000, 44% complete, live
- [Exepal, pay as you go](https://datacircle.dev/domain-whois-apis/exepal/pay-as-you-go/llms.txt): $5.00 per 1,000, 89% complete, 6 hours
- [DomainRef, pay as you go, Pay per call, GET /v1/domain/age](https://datacircle.dev/domain-whois-apis/domainref/pay-as-you-go-pay-per-call-get-v1-domain-age/llms.txt): $5.00 per 1,000, 78% 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 2026-11-08.

- https://data.greeneris.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://data.greeneris.io/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://data.greeneris.io/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://data.greeneris.io/x402-manifest?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://greeneris.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing