# StartupRadar, contact us, Basic: Domain WHOIS API

> find out when a domain was registered, last changed, or when it will expire

StartupRadar's domain WHOIS API on its Basic plan. StartupRadar's docs list 3 of the 9 fields on our checklist: Created on, Updated on, Expires on.
We haven't run StartupRadar through [our domain WHOIS API benchmark](https://datacircle.dev/best-domain-whois-api.txt) yet.
StartupRadar gives this plan's price on request. We rank 316 plans for domain WHOIS APIs by price. Half the plans cost $1.495 per 1,000 domains or less.
[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/startupradar/contact-us-basic
- [Domain WHOIS API: the 13 best providers compared](https://datacircle.dev/best-domain-whois-api.txt)
- Get it: https://startupradar.co/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `GET https://api.startupradar.co/web/domains/{domain}/whois`
- API key: with the plan, on https://startupradar.co/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Its API docs: https://api.startupradar.co/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing#/web/get_domain_whois_web_domains__domain__whois_get
- Sold by: StartupRadar (https://startupradar.co?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 33%
- Created on: ✓
- Updated on: ✓
- Expires on: ✓

## Price

- Per: call
- Billing: contact

## Charges

- Also pays for: from the same budget: 57 other calls

## In their words

- Their pitch: find out when a domain was registered, last changed, or when it will expire

## Data

- Keep data: no API terms
- Use data: no API terms

## Plan

- You get: 60 requests a day
- Enough for: 60 calls a day

## Rate limit

- Per day: 60
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: domain
- Method: GET
- Path: /web/domains/{domain}/whois

## About the plan

- Plan: Basic
- Who can get it: request access, in private beta with leading VC & PE firms

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

created date, changed date, expires date

## StartupRadar's plans (4)

- [StartupRadar, contact us, Basic](https://datacircle.dev/domain-whois-apis/startupradar/contact-us-basic/llms.txt): 33% complete
- [StartupRadar, contact us, Standard](https://datacircle.dev/domain-whois-apis/startupradar/contact-us-standard/llms.txt): 33% complete
- [StartupRadar, contact us, Custom](https://datacircle.dev/domain-whois-apis/startupradar/contact-us-custom/llms.txt): 33% complete
- [StartupRadar, contact us, Unlimited](https://datacircle.dev/domain-whois-apis/startupradar/contact-us-unlimited/llms.txt): 33% complete

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

- `GET /web/domains/{domain}/whois`: [StartupRadar, contact us, Basic](https://datacircle.dev/domain-whois-apis/startupradar/contact-us-basic/llms.txt)

## StartupRadar's APIs (5)

- [StartupRadar: backlink API pricing, 4 plans](https://datacircle.dev/backlink-apis/startupradar/contact-us-basic/llms.txt)
- [StartupRadar: company discovery API pricing, 4 plans](https://datacircle.dev/company-discovery-apis/startupradar/contact-us-basic/llms.txt)
- [StartupRadar: domain WHOIS API pricing, 4 plans](https://datacircle.dev/domain-whois-apis/startupradar/contact-us-basic/llms.txt)
- [StartupRadar: company enrichment API pricing, 4 plans, GET /organizations/{org_id}](https://datacircle.dev/company-enrichment-apis/startupradar/contact-us-basic-get-organizations-org-id/llms.txt)
- [StartupRadar: company enrichment API pricing, 4 plans, GET /web/domains/{domain}/organization](https://datacircle.dev/company-enrichment-apis/startupradar/contact-us-basic-get-web-domains-domain-organization/llms.txt)
- [StartupRadar: similar companies API pricing, 4 plans, GET /web/domains/{domain}/similar](https://datacircle.dev/similar-company-apis/startupradar/contact-us-basic-get-web-domains-domain-similar/llms.txt)
- [StartupRadar: similar companies API pricing, 4 plans, GET /organizations/{org_id}/competitors](https://datacircle.dev/similar-company-apis/startupradar/contact-us-basic-get-organizations-org-id-competitors/llms.txt)

## StartupRadar: domain WHOIS API alternatives

- [FullHunt, contact us, OEM Enterprise, POST /oem/whois/lookup](https://datacircle.dev/domain-whois-apis/fullhunt/contact-us-oem-enterprise-post-oem-whois-lookup/llms.txt): 44% complete
- [Hexomatic, contact us](https://datacircle.dev/domain-whois-apis/hexomatic/contact-us/llms.txt): 44% complete
- [Surepass, contact us](https://datacircle.dev/domain-whois-apis/surepass/contact-us/llms.txt): 33% complete
- [WhoisGate, contact us](https://datacircle.dev/domain-whois-apis/whoisgate/contact-us/llms.txt): 33% 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 2026-11-04.

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