# Sitesy, pay as you go: Domain WHOIS API

> Registration basics, a DNS summary, and subdomains drawn from public certificate logs.

Sitesy's x402 plan for the domain WHOIS API costs $10.00 per 1,000 domains. We check each provider's docs for 9 fields: Registrant, Registrar, Created on, Updated on and 5 more. Sitesy's docs list none of the 9.
We haven't run Sitesy through [our domain WHOIS API benchmark](https://datacircle.dev/best-domain-whois-api.txt) yet.
We rank 610 plans for domain WHOIS APIs by price. Half the plans cost $1.665 or less per 1,000 domains. This plan costs less per 1,000 domains than 8% of the 610 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. [UAPI's CNY 4.90 pack](https://datacircle.dev/domain-whois-apis/uapi/cny-4-90-pack/llms.txt) costs the least for 10,000 domains a month: about $0.73.
[thenetworkery](https://datacircle.dev/domain-whois-apis/thenetworkery/free/llms.txt), [FluentEDI](https://datacircle.dev/domain-whois-apis/fluentedi/free/llms.txt) and [DomainDetails](https://datacircle.dev/domain-whois-apis/domaindetails/9-99-monthly-alerts-get-api-rdap/llms.txt) are the best domain WHOIS API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/domain-whois-apis/sitesy/pay-as-you-go
- [Domain WHOIS API in 2026: the best of 40+ providers compared](https://datacircle.dev/best-domain-whois-api.txt)
- Get it: https://api.sitesy.ca?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `GET https://api.sitesy.ca/v1/domain-profile`
- API key: not needed
- Its API docs: https://api.sitesy.ca/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Sold by: Sitesy (https://sitesy.ca?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 0%

## Price

- $ per 1,000 domains: $10.00
- Per: call
- Billing: pay as you go

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Registration basics, a DNS summary, and subdomains drawn from public certificate logs.

## 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: /v1/domain-profile

## About the plan

- Plan: x402
- Who can get it: anyone

## The 3 fields the plan's answer can hold

registration basics, DNS summary, subdomains

## Sitesy's plans (1)

- [Sitesy, pay as you go](https://datacircle.dev/domain-whois-apis/sitesy/pay-as-you-go/llms.txt): $10.00 per 1,000, 0% complete

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

- `GET /v1/domain-profile`: [Sitesy, pay as you go](https://datacircle.dev/domain-whois-apis/sitesy/pay-as-you-go/llms.txt)

## Sitesy's APIs (3)

- [Sitesy: tech stack API pricing, 1 plan](https://datacircle.dev/company-technology-apis/sitesy/pay-as-you-go/llms.txt)
- [Sitesy: domain WHOIS API pricing, 1 plan](https://datacircle.dev/domain-whois-apis/sitesy/pay-as-you-go/llms.txt)
- [Sitesy: web scraping API pricing, 1 plan](https://datacircle.dev/web-scraping-apis/sitesy/pay-as-you-go/llms.txt)

## Sitesy: domain WHOIS API alternatives

- [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
- [Pipeworx, pay as you go, Pay-per-call (x402), POST /domains/mcp](https://datacircle.dev/domain-whois-apis/pipeworx/pay-as-you-go-pay-per-call-x402-post-domains-mcp/llms.txt): $10.00 per 1,000, 78% complete
- [Unstuckapi, $10 pack](https://datacircle.dev/domain-whois-apis/unstuckapi/10-pack/llms.txt): $10.00 per 1,000, 78% complete
- [DomainDrift, pay as you go](https://datacircle.dev/domain-whois-apis/domaindrift/pay-as-you-go/llms.txt): $10.00 per 1,000, 56% complete, 102 days

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

- https://api.sitesy.ca?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://api.sitesy.ca/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing