# FrostyVerify, free, verify_email: Email verification API

> A clean REST API, an MCP server, and a Slack bot. Anything that can make an HTTP call can verify with FrostyVerify, your code, your AI agents, your no-code flows, or just a CSV dropped into a DM.

FrostyVerify's Free plan for the email verification API costs $0.00 per 1,000 emails. We check each provider's docs for 6 fields: Address, Deliverability, Confidence, Name and 2 more. FrostyVerify's docs list none of the 6.
We haven't run FrostyVerify through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
This plan is free. We rank 4,767 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. [728 email verification API plans on our price sheet are free.](https://datacircle.dev/best-email-verification-api.txt) [pingutil's free plan](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt) scores highest of the free plans in our benchmark, at 82.3 out of 100.
[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, and costs less up front than treg's top-up from $10.
[Validemail.co](https://datacircle.dev/validate-email-apis/validemail-co/9-90-monthly-9-90-month-get-api-v1-validate/llms.txt), [pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt) and [looot](https://datacircle.dev/validate-email-apis/looot/top-up/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/frostyverify/free-verify-email
- [Email validation API: best verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://frostyverify.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: Docs behind sign-up
- API key: with the plan, on https://frostyverify.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://frostyverify.com/auth?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: FrostyVerify (https://frostyverify.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-11

## In the answer

- Completeness: 0%

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: verify_bulk

## Not found

- $ per 1,000 calls that find nothing: $0.00

## Catch-all

- $ per 1,000 emails at catch-all domains: $0.00

## In their words

- Their pitch: A clean REST API, an MCP server, and a Slack bot. Anything that can make an HTTP call can verify with FrostyVerify, your code, your AI agents, your no-code flows, or just a CSV dropped into a DM.

## Data

- What it checks: disposable domains, role addresses, mailbox
- Keep data: no limit
- Use data: You are responsible for how you use the results and for complying with anti-spam and data-protection laws in your jurisdiction. [...] You may not use FrostyVerify to support spam, harassment, or any unlawful activity, or to verify lists you do not have a lawful basis to process.

## Plan

- Pay: $0
- You get: 1,000 credits a month
- Enough for: 1,000 calls a month
- Expires: unused free credits do not carry over on top of the next month's allowance

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: Docs behind sign-up

## About the plan

- Plan: Free
- Who can get it: anyone, one allowance per person: duplicate or disposable-address accounts do not qualify

## The only field the plan's answer can hold

category

## FrostyVerify's plans (11)

- [FrostyVerify, free, verify_email](https://datacircle.dev/validate-email-apis/frostyverify/free-verify-email/llms.txt): $0.00 per 1,000, 0% complete
- [FrostyVerify, €2.50 pack, Trial, verify_email](https://datacircle.dev/validate-email-apis/frostyverify/2-50-pack-trial-verify-email/llms.txt): $0.938 per 1,000, 0% complete
- [FrostyVerify, €7 pack, Starter, verify_email](https://datacircle.dev/validate-email-apis/frostyverify/7-pack-starter-verify-email/llms.txt): $0.788 per 1,000, 0% complete
- [FrostyVerify, €30 pack, Growth, verify_email](https://datacircle.dev/validate-email-apis/frostyverify/30-pack-growth-verify-email/llms.txt): $0.675 per 1,000, 0% complete
- [FrostyVerify, €38 pack](https://datacircle.dev/validate-email-apis/frostyverify/38-pack/llms.txt): $4.276 per 1,000, 17% complete
- [FrostyVerify, €80 pack, Pro, verify_email](https://datacircle.dev/validate-email-apis/frostyverify/80-pack-pro-verify-email/llms.txt): $0.60 per 1,000, 0% complete
- [FrostyVerify, €160 pack](https://datacircle.dev/validate-email-apis/frostyverify/160-pack/llms.txt): $3.601 per 1,000, 17% complete
- [FrostyVerify, €260 pack, Agency, verify_email](https://datacircle.dev/validate-email-apis/frostyverify/260-pack-agency-verify-email/llms.txt): $0.585 per 1,000, 0% complete
- [FrostyVerify, €290 pack](https://datacircle.dev/validate-email-apis/frostyverify/290-pack/llms.txt): $3.263 per 1,000, 17% complete
- [FrostyVerify, €650 pack](https://datacircle.dev/validate-email-apis/frostyverify/650-pack/llms.txt): $2.926 per 1,000, 17% complete
- [FrostyVerify, €2,200 pack](https://datacircle.dev/validate-email-apis/frostyverify/2200-pack/llms.txt): $2.476 per 1,000, 17% complete

## FrostyVerify's calls (3)

- Docs behind sign-up: [FrostyVerify, free, verify_bulk](https://datacircle.dev/validate-email-apis/frostyverify/free-verify-bulk/llms.txt)
- Docs behind sign-up: [FrostyVerify, free, verify_email](https://datacircle.dev/validate-email-apis/frostyverify/free-verify-email/llms.txt)
- Docs behind sign-up: [FrostyVerify, €38 pack](https://datacircle.dev/validate-email-apis/frostyverify/38-pack/llms.txt)

## FrostyVerify's APIs (1)

- [FrostyVerify Email verification API pricing, 11 plans, verify_email](https://datacircle.dev/validate-email-apis/frostyverify/free-verify-email/llms.txt)

## FrostyVerify: email verification API alternatives

[FrostyVerify alternatives: other email verification API providers by price](https://datacircle.dev/frostyverify-alternatives.txt)

We list FrostyVerify's cheapest paid plan first. Next we list other providers' plans closest to FrostyVerify in price per 1,000 emails.

- [FrostyVerify, €260 pack, Agency, verify_email](https://datacircle.dev/validate-email-apis/frostyverify/260-pack-agency-verify-email/llms.txt): $0.585 per 1,000, 0% complete
- [Valid Email Checker, $590 monthly, 1,015,000 credits a month, POST /verify-bulk](https://datacircle.dev/validate-email-apis/valid-email-checker/590-monthly-1015000-credits-a-month-post-verify-bulk/llms.txt): $0.581 per 1,000, 67% complete, live
- [Dev.me, $35 monthly](https://datacircle.dev/validate-email-apis/dev-me/35-monthly/llms.txt): $0.583 per 1,000, 83% complete
- [APIFreaks, $8,000 yearly, Yearly 17,000,000 credits a month, POST /email/disposable-check/bulk](https://datacircle.dev/validate-email-apis/apifreaks/8000-yearly-yearly-17000000-credits-a-month-post-email-disposable-check-bulk/llms.txt): $0.588 per 1,000, 50% complete, 1 day
- [EmailMarker, $589 pack, 1,000,000 credits, POST /api/upload](https://datacircle.dev/validate-email-apis/emailmarker/589-pack-1000000-credits-post-api-upload/llms.txt): $0.589 per 1,000, 17% 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 2026-11-11.

- https://frostyverify.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://frostyverify.com/_next/static/chunks/app/page-e4a1f994f3c6ece3.js?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://frostyverify.com/auth?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://frostyverify.com/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://frostyverify.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://unpkg.com/frostyverify-mcp@1.1.2/README.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://unpkg.com/frostyverify-mcp@1.1.2/index.mjs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing