# Alibaba Cloud, $70 pack, 10,000, POST /, SendValidateFile: Email verification API > Email Verification is a pre-send process that systematically evaluates every email in a list through a combination of technical checks and proprietary algorithms to determine if it is syntactically correct, genuinely exists, and can successfully receive messages. Designed for email marketers, this validation step identifies and eliminates invalid, high-risk, or substandard addresses, thereby optimizing deliverability and safeguarding the successful transmission of your emails to target recipients. Alibaba Cloud's email verification API on its "10,000" plan. It returns none of the 6 key fields we check. The cheapest of the 1,712 plans we rank by price is [treg, top-up from $10](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt), at $0.00 per 1,000. - This page: https://datacircle.dev/validate-email-apis/alibaba-cloud/70-pack-10000-post-sendvalidatefile - [Best email verification API in 2026](https://datacircle.dev/best-email-verification-api.txt) - Get it: https://www.alibabacloud.com/product/directmail/pricing - Its API docs: https://help.aliyun.com/en/direct-mail/api-dm-2015-11-23-sendvalidatefile - Sold by: Alibaba Cloud (https://www.alibabacloud.com) - Checked: 2026-10-25 ## In the answer - Completeness: 0% ## Price - Billing: pay first ## Aggregators - Aggregators: none ## Charges - Also pays for: from the same budget: ValidateEmail ## In their words - Their pitch: Email Verification is a pre-send process that systematically evaluates every email in a list through a combination of technical checks and proprietary algorithms to determine if it is syntactically correct, genuinely exists, and can successfully receive messages. Designed for email marketers, this validation step identifies and eliminates invalid, high-risk, or substandard addresses, thereby optimizing deliverability and safeguarding the successful transmission of your emails to target recipients. ## Data - Freshness: live - 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: $70 - You get: 10,000 credits - Expires: 1 year ## Rate limit - Per second: 5 ## Speed - Answer: by polling ## The call - You send: Action "SendValidateFile", Version "2015-11-23", FileUrl, FileName, AddressColumn, HasHeaderRow, RemoveDuplicate - Method: POST - Path: / ## About the plan - Plan: 10,000 - Who can get it: anyone ## The 2 fields the plan's answer can hold request ID, file ID ## Alibaba Cloud's plans (7) - [Alibaba Cloud, $70 pack, 10,000, POST /, SendValidateFile](https://datacircle.dev/validate-email-apis/alibaba-cloud/70-pack-10000-post-sendvalidatefile/llms.txt): 0% complete, live - [Alibaba Cloud, $180 pack, 30,000, POST /, SendValidateFile](https://datacircle.dev/validate-email-apis/alibaba-cloud/180-pack-30000-post-sendvalidatefile/llms.txt): 0% complete, live - [Alibaba Cloud, $275 pack, 50,000, POST /, SendValidateFile](https://datacircle.dev/validate-email-apis/alibaba-cloud/275-pack-50000-post-sendvalidatefile/llms.txt): 0% complete, live - [Alibaba Cloud, $500 pack, 100,000, POST /, SendValidateFile](https://datacircle.dev/validate-email-apis/alibaba-cloud/500-pack-100000-post-sendvalidatefile/llms.txt): 0% complete, live - [Alibaba Cloud, $800 pack, 200,000, POST /, SendValidateFile](https://datacircle.dev/validate-email-apis/alibaba-cloud/800-pack-200000-post-sendvalidatefile/llms.txt): 0% complete, live - [Alibaba Cloud, $1,750 pack, 500,000, POST /, SendValidateFile](https://datacircle.dev/validate-email-apis/alibaba-cloud/1750-pack-500000-post-sendvalidatefile/llms.txt): 0% complete, live - [Alibaba Cloud, $3,000 pack, 1,000,000, POST /, SendValidateFile](https://datacircle.dev/validate-email-apis/alibaba-cloud/3000-pack-1000000-post-sendvalidatefile/llms.txt): 0% complete, live ## Alibaba Cloud's calls (2) - `POST /`, SendValidateFile: [Alibaba Cloud, $70 pack, 10,000, POST /, SendValidateFile](https://datacircle.dev/validate-email-apis/alibaba-cloud/70-pack-10000-post-sendvalidatefile/llms.txt) - `POST /`, ValidateEmail: [Alibaba Cloud, $70 pack, 10,000, POST /, ValidateEmail](https://datacircle.dev/validate-email-apis/alibaba-cloud/70-pack-10000-post-validateemail/llms.txt) ## Alibaba Cloud's APIs (1) - [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 alternatives - [Didit, top-up from $50](https://datacircle.dev/validate-email-apis/didit/top-up-from-50/llms.txt): 33% complete, live - [Renidly, $50 pack](https://datacircle.dev/validate-email-apis/renidly/50-pack/llms.txt): 33% 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 2026-10-25. - https://api.aliyun.com/meta/v1/products/Dm/versions/2015-11-23/api-docs.json - https://help.aliyun.com/en/direct-mail/api-dm-2015-11-23-getvalidatefile - https://help.aliyun.com/en/direct-mail/api-dm-2015-11-23-getvalidationquota - https://help.aliyun.com/en/direct-mail/api-dm-2015-11-23-overview - https://help.aliyun.com/en/direct-mail/api-dm-2015-11-23-sendvalidatefile - https://help.aliyun.com/en/direct-mail/user-guide/email-address-validity-verification - https://www.alibabacloud.com/help/en/legal/latest/alibaba-cloud-international-website-product-terms-of-service-v-3-8-0 - https://www.alibabacloud.com/product/directmail - https://www.alibabacloud.com/product/directmail/pricing