# HTMLWeb, free daily requests, GET /json/service/email, Email validation API: Email verification API

> Проверка Email на валидность и существование. Пакетная и штучная обработка. Без капчи. Email Validation & Verification JSON API for Developers

HTMLWeb's Free daily requests plan for the email verification API costs $0.00 per 1,000 emails. We check each provider's docs for 6 fields. HTMLWeb's docs list 3: Address, Deliverability, Company.
We haven't run HTMLWeb through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
This plan is free. We rank 4,207 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. [See the best free email verification API plan.](https://datacircle.dev/best-email-verification-api.txt)
[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. [StableEnrich's pay-as-you-go plan](https://datacircle.dev/validate-email-apis/stableenrich/pay-as-you-go-pay-per-request-with-x402-or-mpp-post-api-minerva-validate-emails/llms.txt) costs the least for 10,000 emails a month: $0.05.
[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.
[pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt), [looot](https://datacircle.dev/validate-email-apis/looot/top-up/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/htmlweb/free-daily-requests-get-json-service-email-email-validation-api
- [Email validation API: best verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://htmlweb.ru/user/tariffs.php?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `GET https://htmlweb.ru/json/service/email`, Email validation API
- API key: with the plan, on https://htmlweb.ru/user/tariffs.php?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://htmlweb.ru/service/email_verification.php?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: HTMLWeb (https://htmlweb.ru?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 50%
- Address: ✓
- Deliverability: ✓
- Company: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Extra fields: MX records, SMTP check, catch-all, gray-listing: +$0.00
- Also pays for: from the same budget: Organization or sole proprietor by INN or OGRN · Phone operator MNP API · Phone number location API · IP address location API · Proxy scan of an IP address API · Domain WHOIS API · IP spam-list check API · Bank by BIC API · Card issuer by BIN API · City search API · Time zone API · Nearest cities API · Distance between cities API · DEF codes of operators API · Free proxy list API · Sunrise and sunset API · Holidays API · Transliteration API · Word declension API · Sum in words API · QR code API

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Проверка Email на валидность и существование. Пакетная и штучная обработка. Без капчи. Email Validation & Verification JSON API for Developers

## Data

- What it checks: format, mail servers, disposable domains, role addresses
- Keep data: no limit
- Use data: Пользователь обязуется не использовать сервисы для противоправных действий, массовых злоупотреблений, спама, обхода ограничений и нарушения прав третьих лиц. [...] Пользователь получает ограниченное право использования сервисов в пределах предоставленного функционала.

## Plan

- Pay: ₽0
- You get: 20 requests a day
- Enough for: 20 calls a day

## Rate limit

- Per day: 20
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email. Optional: smtp_check, quick
- Method: GET
- Path: /json/service/email

## About the plan

- Plan: Free daily requests
- Who can get it: anyone with a registered account

## The 11 fields the plan's answer can hold

email address, local part, domain, normalized email, did you mean, format valid, free, disposable, role, MX found, message

## HTMLWeb's plans (9)

- [HTMLWeb, free daily requests, GET /json/service/email, Email validation API](https://datacircle.dev/validate-email-apis/htmlweb/free-daily-requests-get-json-service-email-email-validation-api/llms.txt): $0.00 per 1,000, 50% complete
- [HTMLWeb, top-up, Single request, GET /json/service/email, Email validation API](https://datacircle.dev/validate-email-apis/htmlweb/top-up-single-request-get-json-service-email-email-validation-api/llms.txt): $7.044 per 1,000, 50% complete
- [HTMLWeb, ₽300 pack, 1,000 requests, GET /json/service/email, Email validation API](https://datacircle.dev/validate-email-apis/htmlweb/300-pack-1000-requests-get-json-service-email-email-validation-api/llms.txt): $3.582 per 1,000, 50% complete
- [HTMLWeb, ₽1,000 pack, 5,000 requests, GET /json/service/email, Email validation API](https://datacircle.dev/validate-email-apis/htmlweb/1000-pack-5000-requests-get-json-service-email-email-validation-api/llms.txt): $2.388 per 1,000, 50% complete
- [HTMLWeb, ₽5,400 pack, 50,000 requests, GET /json/service/email, Email validation API](https://datacircle.dev/validate-email-apis/htmlweb/5400-pack-50000-requests-get-json-service-email-email-validation-api/llms.txt): $1.289 per 1,000, 50% complete
- [HTMLWeb, ₽7,800 pack, 100,000 requests, GET /json/service/email, Email validation API](https://datacircle.dev/validate-email-apis/htmlweb/7800-pack-100000-requests-get-json-service-email-email-validation-api/llms.txt): $0.931 per 1,000, 50% complete
- [HTMLWeb, ₽31,000 pack, 500,000 requests, GET /json/service/email, Email validation API](https://datacircle.dev/validate-email-apis/htmlweb/31000-pack-500000-requests-get-json-service-email-email-validation-api/llms.txt): $0.74 per 1,000, 50% complete
- [HTMLWeb, ₽75,000 pack, 1,500,000 requests, GET /json/service/email, Email validation API](https://datacircle.dev/validate-email-apis/htmlweb/75000-pack-1500000-requests-get-json-service-email-email-validation-api/llms.txt): $0.597 per 1,000, 50% complete
- [HTMLWeb, ₽120,000 pack, 3,000,000 requests, GET /json/service/email, Email validation API](https://datacircle.dev/validate-email-apis/htmlweb/120000-pack-3000000-requests-get-json-service-email-email-validation-api/llms.txt): $0.478 per 1,000, 50% complete

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

- `GET /json/service/email`, Email validation API: [HTMLWeb, free daily requests, GET /json/service/email, Email validation API](https://datacircle.dev/validate-email-apis/htmlweb/free-daily-requests-get-json-service-email-email-validation-api/llms.txt)
- `GET /json/service/email`, Email validation API, full: [HTMLWeb, free daily requests, GET /json/service/email, Email validation API, full](https://datacircle.dev/validate-email-apis/htmlweb/free-daily-requests-get-json-service-email-email-validation-api-full/llms.txt)

## HTMLWeb's APIs (4)

- [HTMLWeb: company enrichment API pricing, 9 plans](https://datacircle.dev/company-enrichment-apis/htmlweb/free/llms.txt)
- [HTMLWeb: domain WHOIS API pricing, 9 plans](https://datacircle.dev/domain-whois-apis/htmlweb/free/llms.txt)
- [HTMLWeb: email verification API pricing, 9 plans, GET /json/service/email, Email validation API](https://datacircle.dev/validate-email-apis/htmlweb/free-daily-requests-get-json-service-email-email-validation-api/llms.txt)
- [HTMLWeb: phone validation API pricing, 11 plans, GET /geo/api.php](https://datacircle.dev/validate-phone-apis/htmlweb/free-daily-requests-get-geo-api-php/llms.txt)
- [HTMLWeb: phone validation API pricing, 11 plans, GET /json/mnp/phone/{phone}](https://datacircle.dev/validate-phone-apis/htmlweb/free-daily-requests-get-json-mnp-phone-phone/llms.txt)

## HTMLWeb: email verification API alternatives

- [MailVeri, $119 pack, 250,000 credits, POST /verify-mail/](https://datacircle.dev/validate-email-apis/mailveri/119-pack-250000-credits-post-verify-mail/llms.txt): $0.476 per 1,000, 50% complete, live
- [KaijuVerifier, $1,430.04 yearly, Scale, POST /api/v1/verify-single, Verify a single email with the SMTP probe (authenticated)](https://datacircle.dev/validate-email-apis/kaijuverifier/1430-04-yearly-scale-post-api-v1-verify-single/llms.txt): $0.477 per 1,000, 50% complete, live
- [IsItDisposable, $1,430 yearly, Pro, POST /v1/check/batch](https://datacircle.dev/validate-email-apis/isitdisposable/1430-yearly-pro-post-v1-check-batch/llms.txt): $0.477 per 1,000, 50% complete, stored
- [Bouncify, $479 monthly](https://datacircle.dev/validate-email-apis/bouncify/479-monthly/llms.txt): $0.479 per 1,000, 50% 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 2026-11-08.

- https://htmlweb.ru/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://htmlweb.ru/api.php?obj=service&help&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://htmlweb.ru/api/common_parameters.php?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://htmlweb.ru/service/email_verification.php?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://htmlweb.ru/user/public_offer.php?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://htmlweb.ru/user/tariffs.php?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://htmlweb.ru/user/user_agreement.php?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing