# DomainKits, $149.99 monthly, Premium, GET /whois: Domain WHOIS API

> Retrieve WHOIS registration data for a domain name.

DomainKits's Premium plan for the domain WHOIS API costs $9.999 per 1,000 domains. DomainKits's docs list 6 of the 9 fields on our checklist: Registrar, Created on, Updated on, Expires on, Name servers, Statuses.
We haven't run DomainKits through [our domain WHOIS API benchmark](https://datacircle.dev/best-domain-whois-api.txt) yet.
Half of the 349 plans we rank by price cost $1.495 per 1,000 domains or less. This plan costs less per 1,000 domains than 7% of the 349 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.
[Enterno](https://datacircle.dev/domain-whois-apis/enterno/free-open-api/llms.txt), [Robtex](https://datacircle.dev/domain-whois-apis/robtex/free/llms.txt) and [DomScan](https://datacircle.dev/domain-whois-apis/domscan/49-monthly-scale-post-v1-whois-bulk/llms.txt) are the best domain WHOIS API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/domain-whois-apis/domainkits/149-99-monthly-premium-get-whois
- [Domain WHOIS API: the 18 best providers compared](https://datacircle.dev/best-domain-whois-api.txt)
- Get it: https://domainkits.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `GET https://premium-api.domainkits.com/api/v1/whois`
- API key: with the plan, on https://domainkits.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Its API docs: https://domainkits.com/dev/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing#whois
- Sold by: DomainKits (https://domainkits.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 67%
- Registrar: ✓
- Created on: ✓
- Updated on: ✓
- Expires on: ✓
- Name servers: ✓
- Statuses: ✓

## Price

- $ per 1,000 domains: $9.999
- Per: call
- Billing: monthly
- $ a month: $149.99

## Charges

- Also pays for: NRDs Search · Aged Search · Active Search · Expired Search · Deleted Search · Market Search · Search Export · Hostname Search · TLD Check · Domain Changes · TLD Trends · Keyword Trends · DNS · Bulk DNS · Reverse NS · IP Lookup · Registrar Check · Status Guide · Typosquat Scan · CT Subdomains · CT Certs · NRDs Download · from the same budget: Bulk WHOIS

## Overage

- Units cap: hard

## In their words

- Their pitch: Retrieve WHOIS registration data for a domain name.

## Data

- Freshness: live
- Keep data: no limit
- Use data: You may keep the Content you obtained during your Subscription and use it for your own purposes, personal or internal business, including after the Subscription ends. You must not: redistribute, resell, publish or sublicense the Content or bulk extracts of it, use the Content or the Services to build, train or improve a dataset, product or service that competes with ours, scrape, crawl or bulk-download outside the download, export and delivery channels we provide and your plan limits, circumvent limits, access controls or authentication, share your account or API keys, use the Content for phishing, spam, unsolicited communication, or any purpose that is unlawful or contrary to ICANN policies.

## Plan

- Pay: $149.99
- You get: 500 requests a day
- Enough for: 500 calls a day
- Expires: at 00:00 UTC each day

## Rate limit

- Per day: 500
- Per second: 0.5
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: domain
- Method: GET
- Path: /whois

## About the plan

- Plan: Premium
- Who can get it: anyone with a DomainKits account who subscribes

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

domain, registered, registrar, created date, updated date, expires date, status, name servers

## DomainKits's plans (2)

- [DomainKits, $149.99 monthly, Premium, GET /whois](https://datacircle.dev/domain-whois-apis/domainkits/149-99-monthly-premium-get-whois/llms.txt): $9.999 per 1,000, 67% complete, live
- [DomainKits, contact us, Platinum, GET /whois](https://datacircle.dev/domain-whois-apis/domainkits/contact-us-platinum-get-whois/llms.txt): 67% complete, live

## DomainKits's calls for this API (2)

- `POST /bulk/whois`: [DomainKits, $149.99 monthly, Premium, POST /bulk/whois](https://datacircle.dev/domain-whois-apis/domainkits/149-99-monthly-premium-post-bulk-whois/llms.txt)
- `GET /whois`: [DomainKits, $149.99 monthly, Premium, GET /whois](https://datacircle.dev/domain-whois-apis/domainkits/149-99-monthly-premium-get-whois/llms.txt)

## DomainKits's APIs (2)

- [DomainKits: IP company lookup API pricing, 2 plans](https://datacircle.dev/ip-company-lookup-apis/domainkits/149-99-monthly/llms.txt)
- [DomainKits: domain WHOIS API pricing, 2 plans, GET /whois](https://datacircle.dev/domain-whois-apis/domainkits/149-99-monthly-premium-get-whois/llms.txt)

## DomainKits: domain WHOIS API alternatives

- [How.is, $5 monthly](https://datacircle.dev/domain-whois-apis/how-is/5-monthly/llms.txt): $5.00 per 1,000, 56% complete, live
- [Whoxy, $470 pack](https://datacircle.dev/domain-whois-apis/whoxy/470-pack/llms.txt): $9.40 per 1,000, 78% complete, live
- [ViewDNS.info, $149 monthly](https://datacircle.dev/domain-whois-apis/viewdns-info/149-monthly/llms.txt): $9.933 per 1,000, 89% complete, live
- [DomainRef, pay as you go, Pay per call, GET /v1/domain/check](https://datacircle.dev/domain-whois-apis/domainref/pay-as-you-go-pay-per-call-get-v1-domain-check/llms.txt): $10.00 per 1,000, 44% 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 2026-11-07.

- https://domainkits.com/dev/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://domainkits.com/dev/openapi.yaml?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://domainkits.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://domainkits.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing