# Alibaba Cloud, pay as you go, 按量付费 (Pay-as-you-go), POST /, DescribeEmptyNumber: Phone validation API

> 通过AI算法，预测手机号是否为空号。

Alibaba Cloud's phone validation API on its 按量付费 (Pay-as-you-go) plan. It costs $1.496 per 1,000 phones. It returns 2 of the 9 key fields we check: Number, Validity.
CNY 10.00 per 1,000 phones is $1.496 at the European Central Bank's rate of $0.14956 for CNY 1.
We haven't run Alibaba Cloud through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
Half of the 888 plans we rank by price cost $3.376 per 1,000 phones or less. This plan costs less per 1,000 phones than 59% of the 888 plans.
[Botoi's $199 monthly plan](https://datacircle.dev/validate-phone-apis/botoi/199-monthly/llms.txt) is the cheapest paid plan per 1,000 phones: as little as $0.0066. Botoi's $199 monthly plan covers up to 1,000,000 phones a day.
[Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt), [Foxentry](https://datacircle.dev/validate-phone-apis/foxentry/top-up-pay-as-you-go-post-phone-validate-validate-phone-number-extended/llms.txt) and [HLR Lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/top-up-1-1m-post-hlr-lookup/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/alibaba-cloud/pay-as-you-go-pay-as-you-go-post-describeemptynumber
- [Phone validation API: 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://help.aliyun.com/zh/cpns/developer-reference/api-dytnsapi-2020-02-17-describeemptynumber?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://dytnsapi.aliyuncs.com/`, DescribeEmptyNumber
- API key: with the plan, on https://help.aliyun.com/zh/cpns/developer-reference/api-dytnsapi-2020-02-17-describeemptynumber?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://help.aliyun.com/zh/cpns/developer-reference/api-dytnsapi-2020-02-17-describeemptynumber?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: Alibaba Cloud (https://www.alibabacloud.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 22%
- Number: ✓
- Validity: ✓

## Price

- $ per 1,000 phones: $1.496
- Per: call
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: 通过AI算法，预测手机号是否为空号。

## Data

- Countries: China
- Keep data: no limit
- Use data: You will comply with all applicable laws and regulations for using the Products (including without limitation, any applicable data protection, import, re-import, export, strategic goods control, and re-export control laws [...]) (3.6), it is solely your responsibility to establish a legal basis for the processing of such data under local law, including providing adequate privacy notices and obtaining any required consents (3.7)

## Plan

- Pay: monthly

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: Action "DescribeEmptyNumber", Version "2020-02-17", AuthCode, InputNumber, Mask
- Method: POST
- Path: /

## About the plan

- Plan: 按量付费 (Pay-as-you-go)
- Who can get it: an Alibaba Cloud account (a RAM user only when granted the API's permission) whose application for the call's tag in the 号码百科 console's 标签广场 has been approved

## The 5 fields the plan's answer can hold

request ID, response code, message, status, phone number

## Alibaba Cloud's plans (1)

- [Alibaba Cloud, pay as you go, 按量付费 (Pay-as-you-go), POST /, DescribeEmptyNumber](https://datacircle.dev/validate-phone-apis/alibaba-cloud/pay-as-you-go-pay-as-you-go-post-describeemptynumber/llms.txt): $1.496 per 1,000, 22% complete

## Alibaba Cloud's calls for this API (7)

- `POST /`, DescribeEmptyNumber: [Alibaba Cloud, pay as you go, 按量付费 (Pay-as-you-go), POST /, DescribeEmptyNumber](https://datacircle.dev/validate-phone-apis/alibaba-cloud/pay-as-you-go-pay-as-you-go-post-describeemptynumber/llms.txt)
- `GET /`: [Alibaba Cloud, pay as you go, 按量付费 (Pay-as-you-go), GET /](https://datacircle.dev/validate-phone-apis/alibaba-cloud/pay-as-you-go-pay-as-you-go-get/llms.txt)
- `POST /`, PhoneNumberStatusForAccount: [Alibaba Cloud, pay as you go, 按量付费 (Pay-as-you-go), POST /, PhoneNumberStatusForAccount](https://datacircle.dev/validate-phone-apis/alibaba-cloud/pay-as-you-go-pay-as-you-go-post-phonenumberstatusforaccount/llms.txt)
- `POST /`, PhoneNumberStatusForPublic: [Alibaba Cloud, pay as you go, 按量付费 (Pay-as-you-go), POST /, PhoneNumberStatusForPublic](https://datacircle.dev/validate-phone-apis/alibaba-cloud/pay-as-you-go-pay-as-you-go-post-phonenumberstatusforpublic/llms.txt)
- `POST /`, PhoneNumberStatusForReal: [Alibaba Cloud, pay as you go, 按量付费 (Pay-as-you-go), POST /, PhoneNumberStatusForReal](https://datacircle.dev/validate-phone-apis/alibaba-cloud/pay-as-you-go-pay-as-you-go-post-phonenumberstatusforreal/llms.txt)
- `POST /`, PhoneNumberStatusForSms: [Alibaba Cloud, pay as you go, 按量付费 (Pay-as-you-go), POST /, PhoneNumberStatusForSms](https://datacircle.dev/validate-phone-apis/alibaba-cloud/pay-as-you-go-pay-as-you-go-post-phonenumberstatusforsms/llms.txt)
- `POST /`, PhoneNumberStatusForVoice: [Alibaba Cloud, pay as you go, 按量付费 (Pay-as-you-go), POST /, PhoneNumberStatusForVoice](https://datacircle.dev/validate-phone-apis/alibaba-cloud/pay-as-you-go-pay-as-you-go-post-phonenumberstatusforvoice/llms.txt)

## Alibaba Cloud's APIs (3)

- [Alibaba Cloud: web search API pricing, 35 plans](https://datacircle.dev/web-search-apis/alibaba-cloud/pay-as-you-go-cn-edition-intelligent/llms.txt)
- [Alibaba Cloud: phone validation API pricing, 1 plan, POST /, DescribeEmptyNumber](https://datacircle.dev/validate-phone-apis/alibaba-cloud/pay-as-you-go-pay-as-you-go-post-describeemptynumber/llms.txt)
- [Alibaba Cloud: email verification API pricing, 7 plans, POST /, SendValidateFile](https://datacircle.dev/validate-email-apis/alibaba-cloud/70-pack-10000-post-sendvalidatefile/llms.txt)
- [Alibaba Cloud: email verification API pricing, 7 plans, POST /, ValidateEmail](https://datacircle.dev/validate-email-apis/alibaba-cloud/70-pack-10000-post-validateemail/llms.txt)

## Alibaba Cloud: phone validation API alternatives

- [APIVerve, $29.99 monthly](https://datacircle.dev/validate-phone-apis/apiverve/29-99-monthly/llms.txt): $1.50 per 1,000, 78% complete, 1 day
- [ProWebLook, $15 pack](https://datacircle.dev/validate-phone-apis/proweblook/15-pack/llms.txt): $1.50 per 1,000, 67% complete, stored
- [ReefAPI, $15 monthly, Pro monthly, POST /phone-validate/v1/validate](https://datacircle.dev/validate-phone-apis/reefapi/15-monthly-pro-monthly-post-phone-validate-v1-validate/llms.txt): $1.50 per 1,000, 67% complete, stored
- [CheckNumber.AI, top-up from $20, Pay as you go, POST /v1/tasks, US Carrier Advanced](https://datacircle.dev/validate-phone-apis/checknumber-ai/top-up-from-20-pay-as-you-go-post-v1-tasks-us-carrier-advanced/llms.txt): $1.50 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 2026-11-05.

- https://api.aliyun.com/meta/v1/products/Dytnsapi/versions/2020-02-17/api-docs.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://help.aliyun.com/en/direct-mail/user-guide/email-address-validity-verification?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://help.aliyun.com/zh/cpns/developer-reference/api-dytnsapi-2020-02-17-describeemptynumber?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://help.aliyun.com/zh/cpns/product-overview/billing-overview?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.alibabacloud.com/help/en/legal/latest/alibaba-cloud-international-website-product-terms-of-service-v-3-8-0?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.alibabacloud.com/product/directmail?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.alibabacloud.com/product/directmail/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing