# Pushbuild, free: Email verification API

> Validate email lists in bulk without sending mail: syntax, domain and MX records, disposable and temporary address detection, role-based inboxes (info@, sales@), free-provider flag and typo suggestions (gmial.com → gmail.com). Each address is rated likely, risky or invalid.

Pushbuild's email verification API on its Free plan. It costs $0.00 per 1,000 emails. It returns 3 of the 6 key fields we check: Address, Deliverability, Company.
We haven't run Pushbuild through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
This plan is free. We rank 3,338 plans for email verification APIs by price. Half the plans cost $1.98 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.
[MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt), [Enrich.so](https://datacircle.dev/validate-email-apis/enrich-so/499-monthly/llms.txt) and [GetProspect](https://datacircle.dev/validate-email-apis/getprospect/369-pack/llms.txt) are the best email verification API providers in our benchmark.

- This page: https://datacircle.dev/validate-email-apis/pushbuild/free
- [Email validation API: 160+ providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://pushbuild.com/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://api.pushbuild.com/email-validator/run`
- API key: with the plan, on https://pushbuild.com/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://pushbuild.com/apis/email-validator.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Pushbuild (https://pushbuild.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-04

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: 423 other calls

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Validate email lists in bulk without sending mail: syntax, domain and MX records, disposable and temporary address detection, role-based inboxes (info@, sales@), free-provider flag and typo suggestions (gmial.com → gmail.com). Each address is rated likely, risky or invalid.

## Data

- What it checks: format, mail servers, disposable domains, role addresses
- Keep data: no limit
- Use data: [...] we grant you a limited, revocable, non-exclusive, non-transferable, non-sublicensable license to call our APIs with the key we issue to you, for your internal business purposes. [...] You alone are responsible for ensuring that your use of any output complies with all applicable laws, regulations, third-party terms of service, robots directives, intellectual property rights, privacy and data protection laws, and contractual obligations [...] You will not use any output, including any owner, property, name or address data, as a consumer report or as a factor in determining eligibility for credit, insurance, employment, housing or tenancy [...] You will not, and will not let anyone else: (a) violate any law or third-party right, (b) reverse engineer or decompile the Site, or scrape or bulk-copy it, except through the APIs as licensed or as our robots.txt permits [...], (c) resell, sublicense, white-label or provide the APIs to third parties as a standalone service, unless we agree in writing, (d) circumvent any rate limit, key, access control or security measure, (e) interfere with or overload the Site, or introduce malware, (f) use the Site to build a competing product or service, (g) submit content that is unlawful, infringing, defamatory, or that you have no right to share, (h) misrepresent your identity or affiliation, or (i) submit protected health information, payment card data, government ID numbers, or other sensitive data [...]

## Plan

- Pay: $0
- You get: $1 a month
- Enough for: 3,125 results a month

## Rate limit

- Batch: 500

## Speed

- Answer: in the call

## The call

- You send: emails. Optional: maxItems
- Method: POST
- Path: /email-validator/run

## About the plan

- Plan: Free
- Who can get it: anyone with an email address

## The 12 fields the plan's answer can hold

normalized email address, user, domain, valid syntax, domain exists, MX record, disposable, role, free, did you mean, status, reason

## Pushbuild's plans (2)

- [Pushbuild, free](https://datacircle.dev/validate-email-apis/pushbuild/free/llms.txt): $0.00 per 1,000, 50% complete
- [Pushbuild, top-up](https://datacircle.dev/validate-email-apis/pushbuild/top-up/llms.txt): $0.32 per 1,000, 50% complete

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

- `POST /email-validator/run`: [Pushbuild, free](https://datacircle.dev/validate-email-apis/pushbuild/free/llms.txt)

## Pushbuild's APIs (17)

- [Pushbuild: App Store API pricing, 2 plans](https://datacircle.dev/app-store-apis/pushbuild/free/llms.txt)
- [Pushbuild: App Store review API pricing, 2 plans](https://datacircle.dev/app-store-review-apis/pushbuild/free/llms.txt)
- [Pushbuild: Bluesky post API pricing, 2 plans](https://datacircle.dev/bluesky-post-apis/pushbuild/free/llms.txt)
- [Pushbuild: Bluesky profile API pricing, 2 plans](https://datacircle.dev/bluesky-profile-apis/pushbuild/free/llms.txt)
- [Pushbuild: GitHub repository API pricing, 2 plans](https://datacircle.dev/github-repository-apis/pushbuild/free/llms.txt)
- [Pushbuild: GitHub user repository API pricing, 2 plans](https://datacircle.dev/github-user-repository-apis/pushbuild/free/llms.txt)
- [Pushbuild: Google Ads Transparency API pricing, 2 plans](https://datacircle.dev/google-ad-apis/pushbuild/free/llms.txt)
- [Pushbuild: news API pricing, 2 plans](https://datacircle.dev/news-apis/pushbuild/free/llms.txt)
- [Pushbuild: Google Play API pricing, 2 plans](https://datacircle.dev/google-play-apis/pushbuild/free/llms.txt)
- [Pushbuild: Google Play review API pricing, 2 plans](https://datacircle.dev/google-play-review-apis/pushbuild/free/llms.txt)
- [Pushbuild: Hacker News search API pricing, 2 plans](https://datacircle.dev/hacker-news-search-apis/pushbuild/free/llms.txt)
- [Pushbuild: company open jobs API pricing, 2 plans](https://datacircle.dev/company-open-job-apis/pushbuild/free/llms.txt)
- [Pushbuild: tech stack API pricing, 2 plans](https://datacircle.dev/company-technology-apis/pushbuild/free/llms.txt)
- [Pushbuild: email verification API pricing, 2 plans](https://datacircle.dev/validate-email-apis/pushbuild/free/llms.txt)
- [Pushbuild: phone validation API pricing, 2 plans](https://datacircle.dev/validate-phone-apis/pushbuild/free/llms.txt)
- [Pushbuild: Telegram channel post API pricing, 2 plans](https://datacircle.dev/telegram-channel-post-apis/pushbuild/free/llms.txt)
- [Pushbuild: business verification API pricing, 2 plans, POST /czech-company-registry/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-czech-company-registry-run/llms.txt)
- [Pushbuild: business verification API pricing, 2 plans, POST /finland-company-registry/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-finland-company-registry-run/llms.txt)
- [Pushbuild: business verification API pricing, 2 plans, POST /france-company-registry/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-france-company-registry-run/llms.txt)
- [Pushbuild: business verification API pricing, 2 plans, POST /norway-company-registry/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-norway-company-registry-run/llms.txt)
- [Pushbuild: business verification API pricing, 2 plans, POST /uk-companies-house/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-uk-companies-house-run/llms.txt)
- [Pushbuild: business verification API pricing, 2 plans, POST /us-small-business-lookup/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-us-small-business-lookup-run/llms.txt)
- [Pushbuild: business verification API pricing, 2 plans, POST /us-state-business-registry/run](https://datacircle.dev/business-verification-apis/pushbuild/free-post-us-state-business-registry-run/llms.txt)

## Pushbuild: email verification API alternatives

- [ListWise, $15,995 pack, 50 Million Email Addresses, GET /clean/deep.php](https://datacircle.dev/validate-email-apis/listwise/15995-pack-50-million-email-addresses-get-clean-deep-php/llms.txt): $0.32 per 1,000, 33% complete, live
- [BillionVerify, $160 monthly, Enterprise, POST /verify/bulk](https://datacircle.dev/validate-email-apis/billionverify/160-monthly-enterprise-post-verify-bulk/llms.txt): $0.32 per 1,000, 67% complete, live
- [Verimail, $1,600 pack](https://datacircle.dev/validate-email-apis/verimail/1600-pack/llms.txt): $0.32 per 1,000, 50% complete, live
- [HeroBounce, $1,920 yearly, Pro, POST /validation/single](https://datacircle.dev/validate-email-apis/herobounce/1920-yearly-pro-post-validation-single/llms.txt): $0.32 per 1,000, 67% 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 2026-11-04.

- https://pushbuild.com/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://pushbuild.com/apis/app/signup?api=google-ads-transparency&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://pushbuild.com/apis/email-validator.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://pushbuild.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing