# Datakoot, free, POST /mcp, Domain Report (MCP): Domain WHOIS API

> One-call full dossier on a domain: registration (RDAP), DNS records, email deliverability, and website tech stack, combined into a single report. Use for fast lead qualification, company research, or recon without four separate calls.

Datakoot's Free plan for the domain WHOIS API costs $0.00 per 1,000 domains. We check each provider's docs for 9 fields. Datakoot's docs list 4: Registrar, Created on, Expires on, Statuses.
In [our domain WHOIS API benchmark](https://datacircle.dev/best-domain-whois-api.txt), the best plan from Datakoot scores 67.2 out of 100. Datakoot ranks 9th of 24 providers.
This plan is free. We rank 495 plans for domain WHOIS APIs by price. Half the plans cost $1.575 or less per 1,000 domains. [See the best free domain WHOIS API plan.](https://datacircle.dev/best-domain-whois-api.txt)
[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.
[WhoisJSON](https://datacircle.dev/domain-whois-apis/whoisjson/120-monthly/llms.txt), [Enterno](https://datacircle.dev/domain-whois-apis/enterno/free-open-api/llms.txt) and [IPAddress.to](https://datacircle.dev/domain-whois-apis/ipaddress-to/free/llms.txt) are the best domain WHOIS API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/domain-whois-apis/datakoot/free-post-mcp-domain-report-mcp
- [Domain WHOIS API in 2026: the best of 20+ providers compared](https://datacircle.dev/best-domain-whois-api.txt)
- Get it: https://datakoot.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `POST https://domain.datakoot.com/mcp`, Domain Report (MCP)
- API key: not needed
- Its API docs: https://x402.datakoot.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing#/paths/~1api~1domain_report
- Sold by: Datakoot (https://datakoot.com?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: $0.00
- Per: call
- Billing: free

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: One-call full dossier on a domain: registration (RDAP), DNS records, email deliverability, and website tech stack, combined into a single report. Use for fast lead qualification, company research, or recon without four separate calls.

## Data

- Freshness: live
- Keep data: no limit
- Use data: You agree not to: use the Services for anything unlawful, attempt to break, overload, or circumvent rate limits or access controls, resell raw bulk data as a competing dataset, or use the Services in a way that violates the terms of the upstream data sources. [...] Where a source requires attribution (for example World Bank and OSV under CC-BY, or ECB data), that attribution is carried in the responses and must be preserved. Domain and company registration data (WHOIS/RDAP) is provided for lookup and verification use, you may not redistribute it as a standalone commercial dataset.

## Plan

- Pay: $0
- You get: 100 requests a day
- Enough for: 100 calls a day

## Rate limit

- Per day: 100
- Batch: 1

## Speed

- Answer: in the call
- Median: 0.49 s

## The call

- You send: jsonrpc "2.0", id, method "tools/call", params.name "domain_report", params.arguments.domain
- Method: POST
- Path: /mcp

## About the plan

- Plan: Free
- Who can get it: anyone, with no key and no signup (100 calls a day per caller)

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

domain, found, registrar, created date, expiry date, last changed date, domain age, status codes

## Datakoot's plans (3)

- [Datakoot, free, POST /mcp, Domain Report (MCP)](https://datacircle.dev/domain-whois-apis/datakoot/free-post-mcp-domain-report-mcp/llms.txt): $0.00 per 1,000, 44% complete, live
- [Datakoot, pay as you go, x402 pay per call, POST /api/domain_intel](https://datacircle.dev/domain-whois-apis/datakoot/pay-as-you-go-x402-pay-per-call-post-api-domain-intel/llms.txt): $10.00 per 1,000, 78% complete, live
- [Datakoot, $10 monthly, Pro, POST /mcp, Domain Report (MCP)](https://datacircle.dev/domain-whois-apis/datakoot/10-monthly-pro-post-mcp-domain-report-mcp/llms.txt): $0.20 per 1,000, 44% complete, live

## Datakoot's calls for this API (4)

- `POST /mcp`, Domain Intel (MCP): [Datakoot, free, POST /mcp, Domain Intel (MCP)](https://datacircle.dev/domain-whois-apis/datakoot/free-post-mcp-domain-intel-mcp/llms.txt)
- `POST /mcp`, Domain Report (MCP): [Datakoot, free, POST /mcp, Domain Report (MCP)](https://datacircle.dev/domain-whois-apis/datakoot/free-post-mcp-domain-report-mcp/llms.txt)
- `POST /api/domain_intel`: [Datakoot, pay as you go, x402 pay per call, POST /api/domain_intel](https://datacircle.dev/domain-whois-apis/datakoot/pay-as-you-go-x402-pay-per-call-post-api-domain-intel/llms.txt)
- `POST /api/domain_report`: [Datakoot, pay as you go, x402 pay per call, POST /api/domain_report](https://datacircle.dev/domain-whois-apis/datakoot/pay-as-you-go-x402-pay-per-call-post-api-domain-report/llms.txt)

## Datakoot's APIs (4)

- [Datakoot: business verification API pricing, 3 plans](https://datacircle.dev/business-verification-apis/datakoot/free/llms.txt)
- [Datakoot: email verification API pricing, 3 plans](https://datacircle.dev/validate-email-apis/datakoot/free/llms.txt)
- [Datakoot: domain WHOIS API pricing, 3 plans, POST /mcp, Domain Report (MCP)](https://datacircle.dev/domain-whois-apis/datakoot/free-post-mcp-domain-report-mcp/llms.txt)
- [Datakoot: tech stack API pricing, 3 plans, POST /mcp, Domain Report (MCP)](https://datacircle.dev/company-technology-apis/datakoot/free-post-mcp-domain-report-mcp/llms.txt)
- [Datakoot: tech stack API pricing, 3 plans, POST /mcp, Tech Stack (MCP)](https://datacircle.dev/company-technology-apis/datakoot/free-post-mcp-tech-stack-mcp/llms.txt)

## Datakoot: domain WHOIS API alternatives

- [Enterno, ₽2,511 yearly](https://datacircle.dev/domain-whois-apis/enterno/2511-yearly/llms.txt): $0.164 per 1,000, 89% complete, live
- [Osint, $1,999 pack](https://datacircle.dev/domain-whois-apis/osint/1999-pack/llms.txt): $0.20 per 1,000, 89% complete, live
- [HackerTarget, $2,400 yearly](https://datacircle.dev/domain-whois-apis/hackertarget/2400-yearly/llms.txt): $0.329 per 1,000, 89% complete, live
- [domainIQ, $149.95 monthly, Expert, GET /api, 15,000 requests a day](https://datacircle.dev/domain-whois-apis/domainiq/149-95-monthly-expert-get-api-15000-requests-a-day/llms.txt): $0.333 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 2026-11-09.

- https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://datakoot.com/guides/mcp-server-for-domain-and-dns-recon?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://datakoot.com/guides/pay-per-call-mcp-with-x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://datakoot.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://datakoot.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://datakoot.com/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://datakoot.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://x402.datakoot.com/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://x402.datakoot.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing