# SMSGatewayHub, free, POST /cpaas/v1/email-verify.ashx, Verify one address: Email verification API

> Email verification checks whether an address can receive email before you send to it.

SMSGatewayHub's email verification API on its Free plan. It costs $0.00 per 1,000 emails. It returns 2 of the 6 key fields we check: Address, Deliverability.
We haven't run SMSGatewayHub through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
This plan is free. We rank 3,886 plans for email verification APIs by price. Half the plans cost $1.998 per 1,000 emails or less.
[treg's top-up from $10](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt) is the cheapest paid plan per 1,000 emails: $0.00 on average. treg asks one provider after another until one answers. You pay $68.365 per 1,000 emails when no provider answers.
[Disify's $9 monthly plan (/email)](https://datacircle.dev/validate-email-apis/disify/9-monthly-starter-post-email/llms.txt) covers any number of emails. Disify's $9 monthly plan costs less up front than treg's top-up from $10.
[email-validation.org](https://datacircle.dev/validate-email-apis/email-validation-org/450-pack-1000000-credits-post-v1-validate/llms.txt), [pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt) and [MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/smsgatewayhub/free-post-cpaas-v1-email-verify-ashx-verify-one-address
- [Email validation API: 180+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://www.smsgatewayhub.com/automation-pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://www.smsgatewayhub.com/cpaas/v1/email-verify.ashx`, Verify one address
- API key: with the plan, on https://www.smsgatewayhub.com/automation-pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://www.smsgatewayhub.com/email-verification?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: SMSGatewayHub (https://www.smsgatewayhub.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 33%
- Address: ✓
- Deliverability: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Email verification checks whether an address can receive email before you send to it.

## Data

- What it checks: format, mail servers, disposable domains, role addresses
- Keep data: no limit
- Use data: Without prior written consent, the User shall not: (i) allow or facilitate use of the APIs by any person other than itself, (ii) develop or build any product or service using the APIs for use by others, or (iii) redistribute, resell, or reuse the APIs, or any product/service built using them. [...] The User shall not, without smsgatewayhub's prior written consent, [...] nor reproduce, redistribute, or sell any information, Software, Services, or benefits obtained from the Site except as expressly provided herein. [...] The User shall not use the Services to: [...] harvest third-party information, including e-mail addresses, without express consent, [...] violate any Applicable Law.

## Plan

- Pay: ₹0
- You get: 500 requests a month
- Enough for: 500 calls a month

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email, Content-Type header "application/json"
- Method: POST
- Path: /cpaas/v1/email-verify.ashx

## About the plan

- Plan: Free
- Who can get it: anyone with an active recharge

## The 4 fields the plan's answer can hold

email, result, reason, suggestion

## SMSGatewayHub's plans (7)

- [SMSGatewayHub, free, POST /cpaas/v1/email-verify.ashx, Verify one address](https://datacircle.dev/validate-email-apis/smsgatewayhub/free-post-cpaas-v1-email-verify-ashx-verify-one-address/llms.txt): $0.00 per 1,000, 33% complete
- [SMSGatewayHub, ₹999 monthly, Pro, POST /cpaas/v1/email-verify.ashx, Verify one address](https://datacircle.dev/validate-email-apis/smsgatewayhub/999-monthly-pro-post-cpaas-v1-email-verify-ashx-verify-one-address/llms.txt): $1.052 per 1,000, 33% complete
- [SMSGatewayHub, ₹2,999 monthly, Business, POST /cpaas/v1/email-verify.ashx, Verify one address](https://datacircle.dev/validate-email-apis/smsgatewayhub/2999-monthly-business-post-cpaas-v1-email-verify-ashx-verify-one-address/llms.txt): $0.316 per 1,000, 33% complete
- [SMSGatewayHub, ₹5,999 monthly, Unlimited, POST /cpaas/v1/email-verify.ashx, Verify one address](https://datacircle.dev/validate-email-apis/smsgatewayhub/5999-monthly-unlimited-post-cpaas-v1-email-verify-ashx-verify-one-address/llms.txt): $0.253 per 1,000, 33% complete
- [SMSGatewayHub, ₹9,588 yearly, Pro, billed yearly, POST /cpaas/v1/email-verify.ashx, Verify one address](https://datacircle.dev/validate-email-apis/smsgatewayhub/9588-yearly-pro-billed-yearly-post-cpaas-v1-email-verify-ashx-verify-one-address/llms.txt): $0.841 per 1,000, 33% complete
- [SMSGatewayHub, ₹28,788 yearly, Business, billed yearly, POST /cpaas/v1/email-verify.ashx, Verify one address](https://datacircle.dev/validate-email-apis/smsgatewayhub/28788-yearly-business-billed-yearly-post-cpaas-v1-email-verify-ashx-verify-one-address/llms.txt): $0.253 per 1,000, 33% complete
- [SMSGatewayHub, ₹53,988 yearly, Unlimited, billed yearly, POST /cpaas/v1/email-verify.ashx, Verify one address](https://datacircle.dev/validate-email-apis/smsgatewayhub/53988-yearly-unlimited-billed-yearly-post-cpaas-v1-email-verify-ashx-verify-one-address/llms.txt): $0.19 per 1,000, 33% complete

## SMSGatewayHub's calls for this API (2)

- `POST /cpaas/v1/email-verify.ashx`, Verify a list: [SMSGatewayHub, free, POST /cpaas/v1/email-verify.ashx, Verify a list](https://datacircle.dev/validate-email-apis/smsgatewayhub/free-post-cpaas-v1-email-verify-ashx-verify-a-list/llms.txt)
- `POST /cpaas/v1/email-verify.ashx`, Verify one address: [SMSGatewayHub, free, POST /cpaas/v1/email-verify.ashx, Verify one address](https://datacircle.dev/validate-email-apis/smsgatewayhub/free-post-cpaas-v1-email-verify-ashx-verify-one-address/llms.txt)

## SMSGatewayHub's APIs (2)

- [SMSGatewayHub: email verification API pricing, 7 plans, POST /cpaas/v1/email-verify.ashx, Verify one address](https://datacircle.dev/validate-email-apis/smsgatewayhub/free-post-cpaas-v1-email-verify-ashx-verify-one-address/llms.txt)
- [SMSGatewayHub: phone validation API pricing, 1 plan](https://datacircle.dev/validate-phone-apis/smsgatewayhub/contact-us/llms.txt)

## SMSGatewayHub: email verification API alternatives

- [ValidatedMails, $379 pack, 2,000,000 credits, POST /validate/batch](https://datacircle.dev/validate-email-apis/validatedmails/379-pack-2000000-credits-post-validate-batch/llms.txt): $0.19 per 1,000, 67% complete, live
- [email-validation.org, $4,750 pack, 25,000,000 credits, POST /v1/validate](https://datacircle.dev/validate-email-apis/email-validation-org/4750-pack-25000000-credits-post-v1-validate/llms.txt): $0.19 per 1,000, 50% complete, stored
- [EasyEmailAPI, $19 monthly](https://datacircle.dev/validate-email-apis/easyemailapi/19-monthly/llms.txt): $0.19 per 1,000, 67% complete, live
- [CleanTalk, $57 quarterly, 100,000 checks a month, 3 months (5% off), GET /, email_check](https://datacircle.dev/validate-email-apis/cleantalk/57-quarterly-100000-checks-a-month-3-months-5-off-get-email-check/llms.txt): $0.19 per 1,000, 33% 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 2026-11-04.

- https://www.smsgatewayhub.com/automation-pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.smsgatewayhub.com/communications-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.smsgatewayhub.com/email-verification?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.smsgatewayhub.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.smsgatewayhub.com/terms-and-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing