# Namechan, free API key: Domain WHOIS API

> A remote MCP server that lets Claude, Cursor, Codex and other agents check which domain names are free to register, with live registry lookups and prices.

Namechan's Free API key plan for the domain WHOIS API costs $0.00 per 1,000 domains. We check each provider's docs for 9 fields. Namechan's docs list 3: Registrar, Name servers, Statuses.
Namechan limits how many calls you get but gives no number.
We haven't run Namechan through [our domain WHOIS API benchmark](https://datacircle.dev/best-domain-whois-api.txt) yet.
We rank 587 plans for domain WHOIS APIs by price. Half the plans cost $1.54 or less per 1,000 domains. This plan and 37 others tie for the lowest price per 1,000 domains of the 587 plans. [133 domain WHOIS API plans on our price sheet are free.](https://datacircle.dev/best-domain-whois-api.txt) [WhoisRequest's free plan](https://datacircle.dev/domain-whois-apis/whoisrequest/free-get-api-v1-lookup-whois-domain-name/llms.txt) scores highest of the free plans in our benchmark, at 96.9 out of 100.
[WhoisRequest](https://datacircle.dev/domain-whois-apis/whoisrequest/free-get-api-v1-lookup-whois-domain-name/llms.txt), [thenetworkery](https://datacircle.dev/domain-whois-apis/thenetworkery/free/llms.txt) and [FluentEDI](https://datacircle.dev/domain-whois-apis/fluentedi/free/llms.txt) are the best domain WHOIS API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/domain-whois-apis/namechan/free-api-key
- [Domain WHOIS API in 2026: the best of 50+ providers compared](https://datacircle.dev/best-domain-whois-api.txt)
- Get it: https://namechan.com/domain-availability-mcp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `GET https://namechan.com/api/v1/whois`
- API key: with the plan, on https://namechan.com/domain-availability-mcp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Its API docs: https://github.com/plusye/domain-availability-skill/blob/main/skills/domain-availability/SKILL.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Sold by: Namechan (https://namechan.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing)
- Checked: 2026-11-11

## In the answer

- Completeness: 33%
- Registrar: ✓
- Name servers: ✓
- Statuses: ✓

## Price

- $ per 1,000 domains: $0.00
- Per: call
- Billing: free

## Charges

- Also pays for: from the same budget: check_domains · check_name

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: A remote MCP server that lets Claude, Cursor, Codex and other agents check which domain names are free to register, with live registry lookups and prices.

## Data

- Freshness: 1 hour
- Keep data: no limit
- Use data: The Namechan API, MCP server and agent skill come with free allowances for personal use, including use through an AI assistant acting for you. Without our written permission, do not use their results in a product or service offered to others, resell them, collect results in bulk, or get around their limits, including by rotating IP addresses or using several accounts.

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: domain
- Method: GET
- Path: /whois

## About the plan

- Plan: Free API key
- Who can get it: anyone with a Google account

## The 6 fields the plan's answer can hold

registered at, expires at, domain age, registrar, statuses, nameservers

## Namechan's plans (2)

- [Namechan, free API key](https://datacircle.dev/domain-whois-apis/namechan/free-api-key/llms.txt): $0.00 per 1,000, 33% complete, 1 hour
- [Namechan, free, No account](https://datacircle.dev/domain-whois-apis/namechan/free-no-account/llms.txt): $0.00 per 1,000, 33% complete, 1 hour

## Namechan's calls (1)

- `GET /whois`: [Namechan, free API key](https://datacircle.dev/domain-whois-apis/namechan/free-api-key/llms.txt)

## Namechan's APIs (1)

- [Namechan Domain WHOIS API pricing, 2 plans](https://datacircle.dev/domain-whois-apis/namechan/free-api-key/llms.txt)

## Namechan: domain WHOIS API alternatives

[Namechan alternatives: other domain WHOIS API providers by price](https://datacircle.dev/namechan-alternatives.txt)

We list other providers' plans closest to this plan in price per 1,000 domains. Each plan in the list gives live data or data at most an hour old.

- [WhoisRequest, free, GET /api/v1/lookup/rdap/{domain name}](https://datacircle.dev/domain-whois-apis/whoisrequest/free-get-api-v1-lookup-rdap-domain-name/llms.txt): $0.00 per 1,000, 11% complete, live
- [thenetworkery, free](https://datacircle.dev/domain-whois-apis/thenetworkery/free/llms.txt): $0.00 per 1,000, 100% complete, live
- [FluentEDI, free](https://datacircle.dev/domain-whois-apis/fluentedi/free/llms.txt): $0.00 per 1,000, 67% complete, live
- [Enterno, free, Scout](https://datacircle.dev/domain-whois-apis/enterno/free-scout/llms.txt): $0.00 per 1,000, 89% complete, live
- [Lookproof, free](https://datacircle.dev/domain-whois-apis/lookproof/free/llms.txt): $0.00 per 1,000, 67% complete, 5 minutes

## Sources

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

- https://namechan.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://namechan.com/api-keys?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://namechan.com/domain-availability-mcp?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://namechan.com/domain-availability-skill?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://namechan.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://raw.githubusercontent.com/plusye/domain-availability-mcp/main/README.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://raw.githubusercontent.com/plusye/domain-availability-skill/main/skills/domain-availability/SKILL.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://raw.githubusercontent.com/plusye/domain-availability-skill/main/skills/domain-availability/scripts/domains.mjs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing