# AgentReader, pay as you go: Domain WHOIS API

> Standalone RDAP domain registration lookup: registrar, registered, expires, age_days, status flags. Free upstream (rdap.org / Nominet for .uk). Example: {domain:"stripe.com"}. $0.002.

AgentReader's x402 pay per call plan for the domain WHOIS API costs $2.00 per 1,000 domains. We check each provider's docs for 9 fields. AgentReader's docs list 4: Registrar, Created on, Expires on, Statuses.
We haven't run AgentReader through [our domain WHOIS API benchmark](https://datacircle.dev/best-domain-whois-api.txt) yet.
We rank 400 plans for domain WHOIS APIs by price. Half the plans cost $1.50 or less per 1,000 domains. This plan costs less per 1,000 domains than 29% of the 400 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), [IPAddress.to](https://datacircle.dev/domain-whois-apis/ipaddress-to/free/llms.txt) and [Robtex](https://datacircle.dev/domain-whois-apis/robtex/free/llms.txt) are the best domain WHOIS API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/domain-whois-apis/agentreader/pay-as-you-go
- [Domain WHOIS API: the 19 best of 80+ providers compared](https://datacircle.dev/best-domain-whois-api.txt)
- Get it: https://api.axiomworks.co.uk/buy/domain?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `GET https://api.axiomworks.co.uk/domain`
- API key: not needed
- Its API docs: https://api.axiomworks.co.uk/buy/domain?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Sold by: AgentReader (https://api.axiomworks.co.uk?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 44%
- Registrar: ✓
- Created on: ✓
- Expires on: ✓
- Statuses: ✓

## Price

- $ per 1,000 domains: $2.00
- 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: Standalone RDAP domain registration lookup: registrar, registered, expires, age_days, status flags. Free upstream (rdap.org / Nominet for .uk). Example: {domain:"stripe.com"}. $0.002.

## Data

- 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: /domain

## About the plan

- Plan: x402 pay per call
- Who can get it: anyone, with no account or API key, paying each call in USDC on Base (x402)

## The 8 fields the plan's answer can hold

domain, registrar, created date, expiry date, domain age, status, flags, sources

## AgentReader's plans (1)

- [AgentReader, pay as you go](https://datacircle.dev/domain-whois-apis/agentreader/pay-as-you-go/llms.txt): $2.00 per 1,000, 44% complete

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

- `GET /domain`: [AgentReader, pay as you go](https://datacircle.dev/domain-whois-apis/agentreader/pay-as-you-go/llms.txt)

## AgentReader's APIs (6)

- [AgentReader: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/agentreader/pay-as-you-go/llms.txt)
- [AgentReader: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/agentreader/pay-as-you-go/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /kyb](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-kyb/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /be-company](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-be-company/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /cz-company](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-cz-company/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /dk-company](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-dk-company/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /ee-company](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-ee-company/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /fi-company](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-fi-company/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /fr-company](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-fr-company/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /ie-company](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-ie-company/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /lv-company](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-lv-company/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /no-company](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-no-company/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /sg-company](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-sg-company/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /sk-company](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-sk-company/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /ch-company](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-ch-company/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /uk-company](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-uk-company/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /uk-company-lite](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-uk-company-lite/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /uk-dd](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-uk-dd/llms.txt)
- [AgentReader: business verification API pricing, 1 plan, GET /us-entity](https://datacircle.dev/business-verification-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-us-entity/llms.txt)
- [AgentReader: company enrichment API pricing, 1 plan, GET /au-company](https://datacircle.dev/company-enrichment-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-au-company/llms.txt)
- [AgentReader: company enrichment API pricing, 1 plan, GET /ca-company](https://datacircle.dev/company-enrichment-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-ca-company/llms.txt)
- [AgentReader: company enrichment API pricing, 1 plan, GET /company](https://datacircle.dev/company-enrichment-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-company/llms.txt)
- [AgentReader: company enrichment API pricing, 1 plan, GET /company-full](https://datacircle.dev/company-enrichment-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-company-full/llms.txt)
- [AgentReader: company enrichment API pricing, 1 plan, GET /pl-company](https://datacircle.dev/company-enrichment-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-pl-company/llms.txt)
- [AgentReader: company enrichment API pricing, 1 plan, GET /registry-batch](https://datacircle.dev/company-enrichment-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-registry-batch/llms.txt)
- [AgentReader: tech stack API pricing, 1 plan, GET /company](https://datacircle.dev/company-technology-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-company/llms.txt)
- [AgentReader: tech stack API pricing, 1 plan, GET /company-full](https://datacircle.dev/company-technology-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-company-full/llms.txt)
- [AgentReader: web scraping API pricing, 1 plan, GET /read](https://datacircle.dev/web-scraping-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-read/llms.txt)
- [AgentReader: web scraping API pricing, 1 plan, GET /read-batch](https://datacircle.dev/web-scraping-apis/agentreader/pay-as-you-go-x402-pay-per-call-get-read-batch/llms.txt)

## AgentReader: domain WHOIS API alternatives

- [WhoisFreaks, $2,000 pack, 1,000,000 API Credits, POST /v2.0/bulkwhois/live](https://datacircle.dev/domain-whois-apis/whoisfreaks/2000-pack-1000000-api-credits-post-v2-0-bulkwhois-live/llms.txt): $2.00 per 1,000, 100% complete, live
- [JsonWhoisAPI, pay as you go, Any Additional](https://datacircle.dev/domain-whois-apis/jsonwhoisapi/pay-as-you-go-any-additional/llms.txt): $2.00 per 1,000, 89% complete
- [GetWhoisData, top-up](https://datacircle.dev/domain-whois-apis/getwhoisdata/top-up/llms.txt): $2.00 per 1,000, 67% complete
- [Companyfacts, pay as you go](https://datacircle.dev/domain-whois-apis/companyfacts/pay-as-you-go/llms.txt): $2.00 per 1,000, 67% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

- https://api.axiomworks.co.uk?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://api.axiomworks.co.uk/buy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://api.axiomworks.co.uk/buy/domain?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://api.axiomworks.co.uk/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing