# WhoisJsonAPI, $49 monthly: Domain WHOIS API

> Query structured registration data for ownership, registrar, nameserver, status, and date fields.

WhoisJsonAPI's domain WHOIS API on its Basic plan. It costs $0.49 per 1,000 domains. WhoisJsonAPI's docs list 7 of the 9 fields on our checklist: Registrant, Registrar, Created on, Updated on, Expires on, Name servers, Statuses.
In [our domain WHOIS API benchmark](https://datacircle.dev/best-domain-whois-api.txt), this plan scores 60.3 out of 100. WhoisJsonAPI ranks 5th of 13 providers.
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 87% 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/whoisjsonapi/49-monthly
- [Domain WHOIS API: the 13 best providers compared](https://datacircle.dev/best-domain-whois-api.txt)
- Get it: https://whoisjsonapi.com/page/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `GET https://whoisjsonapi.com/v1/{domain}`
- API key: with the plan, on https://whoisjsonapi.com/page/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Its API docs: https://whoisjsonapi.com/page/documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing#single_request
- Sold by: WhoisJsonAPI (https://whoisjsonapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 78%
- Registrant: ✓
- Registrar: ✓
- Created on: ✓
- Updated on: ✓
- Expires on: ✓
- Name servers: ✓
- Statuses: ✓

## Score

- Overall score: 60.3
- Price score: 44
- Accuracy score: 87
- Cost to get started score: 78
- Bundle score: 50
- Performance score: 14

## Price

- $ per 1,000 domains: $0.49
- Per: call
- Billing: monthly
- $ a month: $49

## Charges

- Also pays for: Domain Availability API

## In their words

- Their pitch: Query structured registration data for ownership, registrar, nameserver, status, and date fields.

## Data

- Freshness: 24 hours
- Keep data: "Upon termination of this Agreement, all rights and licenses granted in the Agreement shall immediately terminate, and Customer will immediately delete any and all Whois JSON API proprietary information, including but not limited to Services, Data, and the Whois JSON API Properties, in Customer’s possession or control."
- Use data: "Customer may use API results in Customer's applications and workflows, including commercial products, subject to applicable law and this Agreement. Customer may not use contact information, personal data, or domain data obtained through the Services for unlawful marketing, spam, harassment, unlawful profiling, credential attacks, or any purpose prohibited by applicable law or registry policy." [...] "Customer may expose API-powered functionality and results to end users as part of Customer's own application or service. OEM, reseller, marketplace, white-label, sublicensing, or standalone resale use requires a separate written agreement with Whois JSON API." [...] "Customer shall not use the Data, Services, or any Whois JSON API Properties in any manner not expressly allowed."

## Plan

- Pay: $49
- You get: 100,000 credits a month
- Enough for: 100,000 calls a month

## Rate limit

- Per second: 50
- Batch: 1

## Speed

- Answer: in the call
- Median: 0.98 s

## The call

- You send: domain
- Method: GET
- Path: /v1/{domain}

## About the plan

- Plan: Basic
- Who can get it: anyone

## The 43 fields the plan's answer can hold

domain ID, domain, punycode, domain name, extension, WHOIS server, status, nameservers, creation date, updated date, expiration date, registrar ID, registrar name, registrar phone, registrar email, registrar URL, registrant name, registrant organization, registrant street address, registrant city, registrant region, registrant ZIP code, registrant country, registrant phone, registrant email, admin name, admin organization, admin street address, admin city, admin region, admin ZIP code, admin country, admin phone, admin email, tech name, tech organization, tech street address, tech city, tech region, tech ZIP code, tech country, tech phone, tech email

## WhoisJsonAPI's plans (6)

- [WhoisJsonAPI, $49 monthly](https://datacircle.dev/domain-whois-apis/whoisjsonapi/49-monthly/llms.txt): $0.49 per 1,000, 78% complete, 24 hours
- [WhoisJsonAPI, $129 monthly, Premium, GET /v1/{domain}](https://datacircle.dev/domain-whois-apis/whoisjsonapi/129-monthly-premium-get-v1-domain/llms.txt): $0.258 per 1,000, 78% complete, 24 hours
- [WhoisJsonAPI, $299 monthly, Enterprise, GET /v1/{domain}](https://datacircle.dev/domain-whois-apis/whoisjsonapi/299-monthly-enterprise-get-v1-domain/llms.txt): $0.15 per 1,000, 78% complete, 24 hours
- [WhoisJsonAPI, $490 yearly](https://datacircle.dev/domain-whois-apis/whoisjsonapi/490-yearly/llms.txt): $0.408 per 1,000, 78% complete, 24 hours
- [WhoisJsonAPI, $1,290 yearly, Premium, GET /v1/{domain}](https://datacircle.dev/domain-whois-apis/whoisjsonapi/1290-yearly-premium-get-v1-domain/llms.txt): $0.215 per 1,000, 78% complete, 24 hours
- [WhoisJsonAPI, $2,990 yearly, Enterprise, GET /v1/{domain}](https://datacircle.dev/domain-whois-apis/whoisjsonapi/2990-yearly-enterprise-get-v1-domain/llms.txt): $0.125 per 1,000, 78% complete, 24 hours

## WhoisJsonAPI's calls (2)

- `GET /v1/{domain}`: [WhoisJsonAPI, $49 monthly](https://datacircle.dev/domain-whois-apis/whoisjsonapi/49-monthly/llms.txt)
- `GET /v1/domains`: [WhoisJsonAPI, $129 monthly, Premium, GET /v1/domains](https://datacircle.dev/domain-whois-apis/whoisjsonapi/129-monthly-premium-get-v1-domains/llms.txt)

## WhoisJsonAPI's APIs (1)

- [WhoisJsonAPI: domain WHOIS API pricing, 6 plans](https://datacircle.dev/domain-whois-apis/whoisjsonapi/49-monthly/llms.txt)

## WhoisJsonAPI: domain WHOIS API alternatives

- [domainIQ, $149.95 monthly, Expert, GET /api, 15,000 requests a day](https://datacircle.dev/domain-whois-apis/domainiq/149-95-monthly-expert-get-api-15000-requests-a-day/llms.txt): $0.333 per 1,000, 56% complete, live
- [WhoisJSON, $10 monthly](https://datacircle.dev/domain-whois-apis/whoisjson/10-monthly/llms.txt): $0.333 per 1,000, 89% complete, 3 hours
- [HackerTarget, $1,200 yearly](https://datacircle.dev/domain-whois-apis/hackertarget/1200-yearly/llms.txt): $0.438 per 1,000, 89% complete, live
- [Whoxy, $5,000 pack](https://datacircle.dev/domain-whois-apis/whoxy/5000-pack/llms.txt): $0.50 per 1,000, 78% 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 2026-11-04.

- https://whoisjsonapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://whoisjsonapi.com/page/documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://whoisjsonapi.com/page/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://whoisjsonapi.com/page/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing