# ShowAPI, free: Phone validation API

> 综合三网、大量数据，支持高并发，注重可用性与低延迟，查询手机号归属地（省、市、邮编、区号），数据来源多，更新及时，准确度较好，但不支持携号转网查询。

ShowAPI's Free (L0 basic) plan for the phone validation API costs $0.00 per 1,000 phones. We check each provider's docs for 9 fields. ShowAPI's docs list 3: Number, Carrier, Place.
We haven't run ShowAPI through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
We rank 1,266 plans for phone validation APIs by price. Half the plans cost $3.55 or less per 1,000 phones. This plan and 15 others tie for the lowest price per 1,000 phones of the 1,266 plans. [See the best free phone validation API plan.](https://datacircle.dev/best-phone-validation-api.txt)
[Trestle](https://datacircle.dev/validate-phone-apis/trestle/top-up-from-10-self-serve-pay-as-you-go-get-3-0-phone-intel-phone-validation-api/llms.txt), [Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt) and [Abstract API](https://datacircle.dev/validate-phone-apis/abstract-api/19-monthly-starter-5000-requests-month/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/showapi/free
- [Phone validation API: the best of 50+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://www.showapi.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://route.showapi.com/6-1`
- API key: with the plan, on https://www.showapi.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://www.showapi.com/apis/phone-number-attribution-6?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: ShowAPI (https://www.showapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 33%
- Number: ✓
- Carrier: ✓
- Place: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: 综合三网、大量数据，支持高并发，注重可用性与低延迟，查询手机号归属地（省、市、邮编、区号），数据来源多，更新及时，准确度较好，但不支持携号转网查询。

## Data

- Countries: China
- What it checks: numbering plan
- Keep data: no limit
- Use data: 您使用我们的产品或服务，不得违反本协议宗旨用于其他目的或转让给第三方使用，不得将接口产品所涉查询核验结果用于约定以外的应用场景或者再次分发、销售、许可、分许可、授权、转售、出租、租借、进出口、转授权或转让集成使用，也不得将接口产品以任何形式交由第三方使用。

## Plan

- Pay: $0
- You get: 100 requests a day
- Enough for: 100 calls a day
- Expires: never

## Rate limit

- Per day: 100
- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: num
- Method: POST
- Path: /6-1

## About the plan

- Plan: Free (L0 basic)
- Who can get it: anyone who registers

## The 9 fields the plan's answer can hold

province, province code, city, city code, area code, postal code, carrier, carrier type, number segment

## ShowAPI's plans (1)

- [ShowAPI, free](https://datacircle.dev/validate-phone-apis/showapi/free/llms.txt): $0.00 per 1,000, 33% complete

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

- `POST /6-1`: [ShowAPI, free](https://datacircle.dev/validate-phone-apis/showapi/free/llms.txt)

## ShowAPI's APIs (8)

- [ShowAPI: business verification API pricing, 6 plans](https://datacircle.dev/business-verification-apis/showapi/free/llms.txt)
- [ShowAPI: company enrichment API pricing, 6 plans](https://datacircle.dev/company-enrichment-apis/showapi/free/llms.txt)
- [ShowAPI: domain WHOIS API pricing, 3 plans](https://datacircle.dev/domain-whois-apis/showapi/free/llms.txt)
- [ShowAPI: IP company lookup API pricing, 5 plans](https://datacircle.dev/ip-company-lookup-apis/showapi/free/llms.txt)
- [ShowAPI: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/showapi/free/llms.txt)
- [ShowAPI: web scraping API pricing, 5 plans](https://datacircle.dev/web-scraping-apis/showapi/free/llms.txt)
- [ShowAPI: web search API pricing, 6 plans](https://datacircle.dev/web-search-apis/showapi/free/llms.txt)
- [ShowAPI: news API pricing, 1 plan, POST /109-35](https://datacircle.dev/news-apis/showapi/free-l0-basic-post-109-35/llms.txt)
- [ShowAPI: news API pricing, 1 plan, POST /109-36](https://datacircle.dev/news-apis/showapi/free-l0-basic-post-109-36/llms.txt)

## ShowAPI: phone validation API alternatives

- [Trestle, free trial, GET /3.0/phone_intel](https://datacircle.dev/validate-phone-apis/trestle/free/llms.txt): $0.00 per 1,000, 56% complete, stored
- [Abstract API, free](https://datacircle.dev/validate-phone-apis/abstract-api/free/llms.txt): $0.00 per 1,000, 89% complete, 1 day
- [Foxentry, free trial, POST /phone/validate, Validate phone number (basic)](https://datacircle.dev/validate-phone-apis/foxentry/free-trial-post-phone-validate-validate-phone-number-basic/llms.txt): $0.00 per 1,000, 56% complete, stored
- [HLR Lookups, free, 100 free lookups, POST /nt-lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/free-100-free-lookups-post-nt-lookups/llms.txt): $0.00 per 1,000, 67% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

- https://www.showapi.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.showapi.com/about/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.showapi.com/apis/phone-number-attribution-6?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.showapi.com/island/free-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.showapi.com/openapi/market/6.yaml?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.showapi.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing