# UAPI, free, Visitor free credits: Domain WHOIS API

> Want to know when a domain was registered, who the registrar is, and when it expires? WHOIS information can tell you all of this.

UAPI's Visitor free credits plan for the domain WHOIS API costs $0.00 per 1,000 domains. We check each provider's docs for 9 fields. UAPI's docs list 7: Registrant, Registrar, Created on, Updated on, Expires on, Name servers, Statuses.
We haven't run UAPI through [our domain WHOIS API benchmark](https://datacircle.dev/best-domain-whois-api.txt) yet.
This plan is free. We rank 543 plans for domain WHOIS APIs by price. Half the plans cost $1.639 or less per 1,000 domains. [See the best free domain WHOIS API plan.](https://datacircle.dev/best-domain-whois-api.txt)
[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.
[WhoisJSON](https://datacircle.dev/domain-whois-apis/whoisjson/120-monthly/llms.txt), [Enterno](https://datacircle.dev/domain-whois-apis/enterno/free-open-api/llms.txt) and [IPAddress.to](https://datacircle.dev/domain-whois-apis/ipaddress-to/free/llms.txt) are the best domain WHOIS API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/domain-whois-apis/uapi/free-visitor-free-credits
- [Domain WHOIS API in 2026: the best of 20+ providers compared](https://datacircle.dev/best-domain-whois-api.txt)
- Get it: https://uapis.cn/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `GET https://uapis.cn/api/v1/network/whois`
- API key: not needed
- Its API docs: https://uapis.cn/en/docs/api-reference/get-network-whois?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Sold by: UAPI (https://uapis.cn?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing)
- Checked: 2026-11-09

## In the answer

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

## Price

- $ per 1,000 domains: $0.00
- Per: call
- Billing: free

## Charges

- Also pays for: from the same budget: 78 other calls

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Want to know when a domain was registered, who the registrar is, and when it expires? WHOIS information can tell you all of this.

## Data

- Keep data: no limit
- Use data: 禁止非法利用： 您不得利用UAPI提供的接口从事任何非法用途或不正当竞争行为。例如，不得利用接口获取的数据进行钓鱼、垃圾邮件发送、网络攻击等 [...] 禁止商业牟利行为： [...] 平台接口仅供您自用或在您的应用中使用，未经我们书面许可，您不得将本服务进行再出售或提供给未经授权的第三方使用。[...] 允许的使用场景： [...] 您可以在您的商业产品中使用UAPI获取的数据，但需合理标注数据来源 [...] 禁止的使用场景： 禁止直接将UAPI接口重新包装后，作为您自己的收费接口或收费服务对外提供 [...] 禁止将UAPI能力作为您产品中的直接转售内容，向第三方再次销售、分发或开放 [...] 此外，如果您在您的产品或服务中使用了UAPI的数据或功能，应当以合理方式注明来源，不得歪曲或抹去数据中的版权标识。

## Plan

- Pay: $0
- You get: 1,500 credits a month
- Enough for: 750 calls a month
- Expires: resets on the 1st of each month

## Rate limit

- Per second: 4
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: domain. Optional: format
- Method: GET
- Path: /api/v1/network/whois

## About the plan

- Plan: Visitor free credits
- Who can get it: anyone, with no sign-up (the quota is counted per IP address)

## The 22 fields the plan's answer can hold

registered, WHOIS text, domain ID, domain, punycode, domain name, extension, WHOIS server, status, name servers, created date, updated date, expiration date, registrar ID, registrar, registrar phone, registrar email, registrar referral URL, registrant organization, registrant country, registrant email, technical contact email

## UAPI's plans (5)

- [UAPI, free, Visitor free credits](https://datacircle.dev/domain-whois-apis/uapi/free-visitor-free-credits/llms.txt): $0.00 per 1,000, 78% complete
- [UAPI, free, Signed-in free credits](https://datacircle.dev/domain-whois-apis/uapi/free-signed-in-free-credits/llms.txt): $0.00 per 1,000, 78% complete
- [UAPI, CNY 4.90 pack](https://datacircle.dev/domain-whois-apis/uapi/cny-4-90-pack/llms.txt): $0.073 per 1,000, 78% complete
- [UAPI, CNY 24.90 pack](https://datacircle.dev/domain-whois-apis/uapi/cny-24-90-pack/llms.txt): $0.074 per 1,000, 78% complete
- [UAPI, CNY 49.90 pack](https://datacircle.dev/domain-whois-apis/uapi/cny-49-90-pack/llms.txt): $0.06 per 1,000, 78% complete

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

- `GET /api/v1/network/whois`: [UAPI, free, Visitor free credits](https://datacircle.dev/domain-whois-apis/uapi/free-visitor-free-credits/llms.txt)

## UAPI's APIs (10)

- [UAPI: Bilibili profile API pricing, 5 plans](https://datacircle.dev/bilibili-profile-apis/uapi/free-visitor-free-credits/llms.txt)
- [UAPI: Bilibili user video API pricing, 5 plans](https://datacircle.dev/bilibili-user-video-apis/uapi/free-visitor-free-credits/llms.txt)
- [UAPI: Bilibili video API pricing, 5 plans](https://datacircle.dev/bilibili-video-apis/uapi/free-visitor-free-credits/llms.txt)
- [UAPI: GitHub profile API pricing, 5 plans](https://datacircle.dev/github-profile-apis/uapi/free-visitor-free-credits/llms.txt)
- [UAPI: GitHub repository API pricing, 5 plans](https://datacircle.dev/github-repository-apis/uapi/free-visitor-free-credits/llms.txt)
- [UAPI: domain WHOIS API pricing, 5 plans](https://datacircle.dev/domain-whois-apis/uapi/free-visitor-free-credits/llms.txt)
- [UAPI: IP company lookup API pricing, 5 plans](https://datacircle.dev/ip-company-lookup-apis/uapi/free-visitor-free-credits/llms.txt)
- [UAPI: phone validation API pricing, 5 plans](https://datacircle.dev/validate-phone-apis/uapi/free-visitor-free-credits/llms.txt)
- [UAPI: web scraping API pricing, 5 plans](https://datacircle.dev/web-scraping-apis/uapi/free-visitor-free-credits/llms.txt)
- [UAPI: web search API pricing, 5 plans](https://datacircle.dev/web-search-apis/uapi/free-visitor-free-credits/llms.txt)

## UAPI: domain WHOIS API alternatives

- [Sugra API, $59 monthly, Pro, GET /api/v1/network/domain/{host}/whois](https://datacircle.dev/domain-whois-apis/sugra-api/59-monthly-pro-get-api-v1-network-domain-host-whois/llms.txt): $0.039 per 1,000, 78% complete
- [ApiZero, CNY 199 yearly](https://datacircle.dev/domain-whois-apis/apizero/cny-199-yearly/llms.txt): $0.041 per 1,000, 89% complete, 24 hours
- [WhoisJSON, $50 monthly](https://datacircle.dev/domain-whois-apis/whoisjson/50-monthly/llms.txt): $0.05 per 1,000, 89% complete, 3 hours
- [Enterno, ₽1,490 monthly](https://datacircle.dev/domain-whois-apis/enterno/1490-monthly/llms.txt): $0.059 per 1,000, 89% 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 2026-11-09.

- https://uapis.cn/en/docs/api-reference/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://uapis.cn/en/docs/api-reference/get-network-whois?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://uapis.cn/en/docs/getting-started/fair-use-and-rate-limiting?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://uapis.cn/en/docs/getting-started/privacy-policy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://uapis.cn/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://uapis.cn/index.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://uapis.cn/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://uapis.cn/pricing.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing