# IPIntel, pay as you go: Domain WHOIS API

> Retrieve domain registration data including registrar, WHOIS server, creation date, expiration date, updated date, nameservers, domain status, and privacy/redaction signals.

IPIntel's Pay per call with x402 plan for the domain WHOIS API costs $5.00 per 1,000 domains. IPIntel's docs list 5 of the 9 fields on our checklist: Registrar, Created on, Expires on, Name servers, Statuses.
We haven't run IPIntel through [our domain WHOIS API benchmark](https://datacircle.dev/best-domain-whois-api.txt) yet.
We rank 363 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 12% of the 363 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/ipintel/pay-as-you-go
- [Domain WHOIS API: the 19 best of 70+ providers compared](https://datacircle.dev/best-domain-whois-api.txt)
- Get it: https://tools.ipintel.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `POST https://tools.ipintel.ai/whois-lookup`
- API key: not needed
- Its API docs: https://tools.ipintel.ai/whois-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Sold by: IPIntel (https://tools.ipintel.ai?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

## In their words

- Their pitch: Retrieve domain registration data including registrar, WHOIS server, creation date, expiration date, updated date, nameservers, domain status, and privacy/redaction signals.

## 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: POST
- Path: /whois-lookup

## About the plan

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

## The 11 fields the plan's answer can hold

domain, registrar, WHOIS server, registration date, last changed, expiry date, nameservers, status, redacted flag, raw excerpt, timestamp

## IPIntel's plans (1)

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

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

- `POST /whois-lookup`: [IPIntel, pay as you go](https://datacircle.dev/domain-whois-apis/ipintel/pay-as-you-go/llms.txt)

## IPIntel's APIs (3)

- [IPIntel: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/ipintel/pay-as-you-go/llms.txt)
- [IPIntel: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/ipintel/pay-as-you-go/llms.txt)
- [IPIntel: IP company lookup API pricing, 1 plan](https://datacircle.dev/ip-company-lookup-apis/ipintel/pay-as-you-go/llms.txt)

## IPIntel: 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
- [AgentUtility, pay as you go, Pay per call (x402), POST /whois](https://datacircle.dev/domain-whois-apis/agentutility/pay-as-you-go-pay-per-call-x402-post-whois/llms.txt): $5.00 per 1,000, 67% complete
- [WebLens, pay as you go](https://datacircle.dev/domain-whois-apis/weblens/pay-as-you-go/llms.txt): $5.00 per 1,000, 56% 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 2026-11-08.

- https://tools.ipintel.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://tools.ipintel.ai/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://tools.ipintel.ai/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://tools.ipintel.ai/whois-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing