# Shunwei, free: Domain WHOIS API

> 多达300多个域名后缀Whois信息查询

Shunwei's Free quota plan for the domain WHOIS API costs $0.00 per 1,000 domains. We check each provider's docs for 9 fields. Shunwei's docs list 5: Registrar, Created on, Expires on, Name servers, Statuses.
We haven't run Shunwei through [our domain WHOIS API benchmark](https://datacircle.dev/best-domain-whois-api.txt) yet.
This plan is free. We rank 495 plans for domain WHOIS APIs by price. Half the plans cost $1.575 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. [C99.nl's $25 yearly plan](https://datacircle.dev/domain-whois-apis/c99-nl/25-yearly/llms.txt) costs the least for 10,000 domains a month: $2.08.
[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/shunwei/free
- [Domain WHOIS API in 2026: the best of 20+ providers compared](https://datacircle.dev/best-domain-whois-api.txt)
- Get it: https://api.itapi.cn/doc/3?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `GET https://api.itapi.cn/api/whois`
- API key: with the plan, on https://api.itapi.cn/doc/3?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Its API docs: https://api.itapi.cn/doc/3?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Sold by: Shunwei (https://api.itapi.cn?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 56%
- Registrar: ✓
- Created on: ✓
- Expires on: ✓
- Name servers: ✓
- Statuses: ✓

## Price

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

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: 多达300多个域名后缀Whois信息查询

## Data

- Keep data: no limit
- Use data: 用户应当遵守法律法规、规章、规范性文件及政策要求的规定，不得利用顺为数据产品服务从事非法或其他损害顺为数据或第三方权益的活动 [...] 不得从事下列危害计算机信息网络安全的活动： [...] （5）利用顺为数据产品非法获取公民个人信息； [...] 针对API接口产品，如涉及信息主体非公开信息尤其是个人信息的，您应当：a)向顺为数据提供真实合法的应用场景 [...] 并遵循个人信息的最小必要原则。b)获得信息主体尤其是个人的合法有效充分授权，并作出足以引起信息主体注意的提示。 [...] 信息核验/查询类产品无法保证100%的准确率和及时性，或由于产品本身字段的局限性，其反馈/查询结果仅供您参照，您不应以核验/查询结果作为行为依据或提供给他人作为行为依据。 [...] 如涉及在中华人民共和国境内运营过程中收集和产生的个人信息和重要数据，应当在境内存储。因业务需要，确需向境外提供的，应当按照有关规定进行安全评估。

## Plan

- Pay: CNY 0
- You get: 100 requests
- Enough for: 100 calls, once

## Rate limit

- Per day: 5,000
- Batch: 1

## Speed

- Answer: in the call

## The call

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

## About the plan

- Plan: Free quota
- Who can get it: anyone with an account

## The 10 fields the plan's answer can hold

domain, raw WHOIS record, registrar, registrar URL, created date, last changed date, expiry date, registrant email, domain status, nameservers

## Shunwei's plans (9)

- [Shunwei, free](https://datacircle.dev/domain-whois-apis/shunwei/free/llms.txt): $0.00 per 1,000, 56% complete
- [Shunwei, top-up](https://datacircle.dev/domain-whois-apis/shunwei/top-up/llms.txt): $2.243 per 1,000, 56% complete
- [Shunwei, CNY 10 pack](https://datacircle.dev/domain-whois-apis/shunwei/cny-10-pack/llms.txt): $1.496 per 1,000, 56% complete
- [Shunwei, CNY 100 pack](https://datacircle.dev/domain-whois-apis/shunwei/cny-100-pack/llms.txt): $1.246 per 1,000, 56% complete
- [Shunwei, CNY 200 pack](https://datacircle.dev/domain-whois-apis/shunwei/cny-200-pack/llms.txt): $0.748 per 1,000, 56% complete
- [Shunwei, CNY 500 pack](https://datacircle.dev/domain-whois-apis/shunwei/cny-500-pack/llms.txt): $0.249 per 1,000, 56% complete
- [Shunwei, CNY 38 monthly](https://datacircle.dev/domain-whois-apis/shunwei/cny-38-monthly/llms.txt): $0.126 per 1,000, 56% complete
- [Shunwei, CNY 380 yearly](https://datacircle.dev/domain-whois-apis/shunwei/cny-380-yearly/llms.txt): $0.031 per 1,000, 56% complete
- [Shunwei, contact us](https://datacircle.dev/domain-whois-apis/shunwei/contact-us/llms.txt): 56% complete

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

- `GET /api/whois`: [Shunwei, free](https://datacircle.dev/domain-whois-apis/shunwei/free/llms.txt)

## Shunwei's APIs (3)

- [Shunwei: business verification API pricing, 6 plans](https://datacircle.dev/business-verification-apis/shunwei/free/llms.txt)
- [Shunwei: company discovery API pricing, 6 plans](https://datacircle.dev/company-discovery-apis/shunwei/free/llms.txt)
- [Shunwei: domain WHOIS API pricing, 9 plans](https://datacircle.dev/domain-whois-apis/shunwei/free/llms.txt)

## Shunwei: domain WHOIS API alternatives

- [Sugra API, $588 yearly, Pro (billed annually), GET /api/v1/network/domain/{host}/whois](https://datacircle.dev/domain-whois-apis/sugra-api/588-yearly-pro-billed-annually-get-api-v1-network-domain-host-whois/llms.txt): $0.032 per 1,000, 78% complete
- [ApiZero, CNY 399 yearly](https://datacircle.dev/domain-whois-apis/apizero/cny-399-yearly/llms.txt): $0.033 per 1,000, 89% complete, 24 hours
- [C99.nl, $5 monthly](https://datacircle.dev/domain-whois-apis/c99-nl/5-monthly/llms.txt): $0.033 per 1,000, 0% complete
- [ipv4.fr, €9 monthly](https://datacircle.dev/domain-whois-apis/ipv4-fr/9-monthly/llms.txt): $0.034 per 1,000, 44% 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 2026-11-09.

- https://api.itapi.cn?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://api.itapi.cn/agreement/legal?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://api.itapi.cn/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://api.itapi.cn/doc/3?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://api.itapi.cn/help/?type=3&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://api.itapi.cn/vip?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing