# appin60, pay as you go: Domain WHOIS API

> Look up a domain before trusting it: registrar, creation date and age in days, expiry, status flags and nameservers from RDAP, plus A/AAAA/MX/CAA records and email authentication (SPF, DMARC policy). Flags young domains (under 30 days), near expiry, missing SPF/DMARC and p=none. Useful for phishing and vendor checks, outreach hygiene and incident triage.

appin60's Pay per call (x402) plan for the domain WHOIS API costs $5.00 per 1,000 domains. appin60's docs list 5 of the 9 fields on our checklist: Registrar, Created on, Expires on, Name servers, Statuses.
We haven't run appin60 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/appin60/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://pitcrew-api.appin60.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `GET https://pitcrew-api.lfglabs.ai/domain/lookup`
- API key: not needed
- Its API docs: https://pitcrew-api.appin60.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Sold by: appin60 (https://mailferret.appin60.com?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: Look up a domain before trusting it: registrar, creation date and age in days, expiry, status flags and nameservers from RDAP, plus A/AAAA/MX/CAA records and email authentication (SPF, DMARC policy). Flags young domains (under 30 days), near expiry, missing SPF/DMARC and p=none. Useful for phishing and vendor checks, outreach hygiene and incident triage.

## 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/lookup

## About the plan

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

## The 14 fields the plan's answer can hold

domain, registrar, creation date, domain age days, expiry date, status flags, nameservers, A records, AAAA records, MX records, CAA records, SPF record, DMARC policy, problems

## appin60's plans (1)

- [appin60, pay as you go](https://datacircle.dev/domain-whois-apis/appin60/pay-as-you-go/llms.txt): $5.00 per 1,000, 56% complete

## appin60's calls for this API (1)

- `GET /domain/lookup`: [appin60, pay as you go](https://datacircle.dev/domain-whois-apis/appin60/pay-as-you-go/llms.txt)

## appin60's APIs (6)

- [appin60: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/appin60/pay-as-you-go/llms.txt)
- [appin60: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/appin60/pay-as-you-go/llms.txt)
- [appin60: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/appin60/pay-as-you-go/llms.txt)
- [appin60: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/appin60/pay-as-you-go/llms.txt)
- [appin60: email finder API pricing, 1 plan](https://datacircle.dev/find-email-apis/appin60/pay-as-you-go/llms.txt)
- [appin60: web scraping API pricing, 1 plan](https://datacircle.dev/web-scraping-apis/appin60/pay-as-you-go/llms.txt)

## appin60: 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
- [Companyfacts, $10 pack](https://datacircle.dev/domain-whois-apis/companyfacts/10-pack/llms.txt): $5.00 per 1,000, 67% complete
- [Call402, pay as you go](https://datacircle.dev/domain-whois-apis/call402/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://mailferret.appin60.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://mailferret.appin60.com/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://mailferret.appin60.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://mailferret.appin60.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://pitcrew-api.appin60.com/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://pitcrew-api.appin60.com/.well-known/x402?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://pitcrew-api.appin60.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://pitcrew-api.appin60.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing