# Call402, pay as you go: Domain WHOIS API

> Domain one-stop lookup: live DNS records (A, AAAA, CNAME, MX, NS, TXT via DNS-over-HTTPS) plus RDAP registration data (registrar, creation and expiry dates, status, nameservers) assembled from public protocol endpoints on our servers.

Call402's domain WHOIS API on its Pay per call plan. It costs $5.00 per 1,000 domains. Call402's docs list 5 of the 9 fields on our checklist: Registrar, Created on, Expires on, Name servers, Statuses.
We haven't run Call402 through [our domain WHOIS API benchmark](https://datacircle.dev/best-domain-whois-api.txt) yet.
Half of the 316 plans we rank by price cost $1.495 per 1,000 domains or less. This plan costs less per 1,000 domains than 11% of the 316 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.
[Robtex](https://datacircle.dev/domain-whois-apis/robtex/free/llms.txt), [DomScan](https://datacircle.dev/domain-whois-apis/domscan/6-monthly-starter-post-v1-whois-bulk/llms.txt) and [WhoisFreaks](https://datacircle.dev/domain-whois-apis/whoisfreaks/200-monthly-monthly-subscription-150000-api-credits-post-v2-0-bulkwhois-live/llms.txt) are the best domain WHOIS API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/domain-whois-apis/call402/pay-as-you-go
- [Domain WHOIS API: the 13 best providers compared](https://datacircle.dev/best-domain-whois-api.txt)
- Get it: https://call402.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `POST https://call402.com/api/domain-lookup`
- API key: not needed
- Its API docs: https://call402.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Sold by: Call402 (https://call402.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing)
- Checked: 2026-11-05

## 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: Domain one-stop lookup: live DNS records (A, AAAA, CNAME, MX, NS, TXT via DNS-over-HTTPS) plus RDAP registration data (registrar, creation and expiry dates, status, nameservers) assembled from public protocol endpoints on our servers.

## 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: /api/domain-lookup

## About the plan

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

## The 12 fields the plan's answer can hold

domain, registrar, created date, expiry date, status, nameservers, A records, AAAA records, CNAME records, MX records, NS records, TXT records

## Call402's plans (1)

- [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

## Call402's calls for this API (1)

- `POST /api/domain-lookup`: [Call402, pay as you go](https://datacircle.dev/domain-whois-apis/call402/pay-as-you-go/llms.txt)

## Call402's APIs (4)

- [Call402: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/call402/pay-as-you-go/llms.txt)
- [Call402: email verification API pricing, 1 plan](https://datacircle.dev/validate-email-apis/call402/pay-as-you-go/llms.txt)
- [Call402: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/call402/pay-as-you-go/llms.txt)
- [Call402: web scraping API pricing, 1 plan](https://datacircle.dev/web-scraping-apis/call402/pay-as-you-go/llms.txt)

## Call402: domain WHOIS API alternatives

- [agentsvc.io, pay as you go](https://datacircle.dev/domain-whois-apis/agentsvc-io/pay-as-you-go/llms.txt): $4.50 per 1,000, 78% complete
- [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
- [DomainRef, pay as you go, Pay per call, GET /v1/domain/age](https://datacircle.dev/domain-whois-apis/domainref/pay-as-you-go-pay-per-call-get-v1-domain-age/llms.txt): $5.00 per 1,000, 78% complete, live
- [Companyfacts, $10 pack](https://datacircle.dev/domain-whois-apis/companyfacts/10-pack/llms.txt): $5.00 per 1,000, 67% complete
- [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

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-05.

- https://call402.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://call402.com/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://call402.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://call402.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing