# validateemail.io, free, GET /v1/validate: Email verification API

> validateemail.io is an email validation API that checks any address in milliseconds with one call. Block typos, fake domains, disposable inboxes and dead mail servers at sign-up, and keep your sender reputation clean.

validateemail.io's email verification API on its Free plan. It costs $0.00 per 1,000 emails. It returns 4 of the 6 key fields we check: Address, Deliverability, Confidence, Company.
We haven't run validateemail.io 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/validateemail-io/free-get-v1-validate
- [Email validation API: 180+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://validateemail.io/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing#pricing
- Request: `GET https://validateemail.io/v1/validate`
- API key: with the plan, on https://validateemail.io/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing#pricing
- Its API docs: https://validateemail.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: validateemail.io (https://validateemail.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 67%
- Address: ✓
- Deliverability: ✓
- Confidence: ✓
- Company: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Repeat free: never
- Also pays for: from the same budget: Batch validation

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: validateemail.io is an email validation API that checks any address in milliseconds with one call. Block typos, fake domains, disposable inboxes and dead mail servers at sign-up, and keep your sender reputation clean.

## Data

- Freshness: 7 days
- What it checks: format, mail servers, disposable domains, role addresses
- Keep data: no limit
- Use data: You may use the API and the results it returns in your own products and processes, but you may not copy, resell or provide the Service itself to others, or use it to build a competing service. [...] You must have a lawful basis, under data protection and electronic marketing law, to collect and process every email address you submit. [...] You must not: send spam or unsolicited bulk email, or help anyone else do so, including by cleaning lists for that purpose, validate addresses that were scraped, harvested, guessed, generated or bought without the people's consent, use the Service to find, track, harass or impersonate anyone, or to check whether a particular person has an account somewhere, use the Service for fraud, phishing, malware or any other unlawful or harmful purpose, create multiple free accounts, or share or resell API keys, to get more lookups than your plan allows, get around rate limits, quotas, bot checks or other limits, or send traffic designed to overload the Service, probe, scan or test the security of the Service, except as allowed by our security policy, reverse engineer the Service, or copy our data, such as typo or disposable-domain lists, to build a competing product, resell or provide the Service itself to others without our written agreement

## Plan

- Pay: $0
- You get: 5,000 results
- Enough for: 5,000 calls, once
- Expires: never

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email. Optional: fresh
- Method: GET
- Path: /v1/validate

## About the plan

- Plan: Free
- Who can get it: one free key per person or organisation and per email address, disposable email addresses aren't accepted

## The 17 fields the plan's answer can hold

email, normalized email, user, domain, status, reason, score, did you mean, syntax, domain exists, MX found, disposable, role-based, free provider, MX records, cached, checked at

## validateemail.io's plans (2)

- [validateemail.io, free, GET /v1/validate](https://datacircle.dev/validate-email-apis/validateemail-io/free-get-v1-validate/llms.txt): $0.00 per 1,000, 67% complete, 7 days
- [validateemail.io, contact us, Enterprise, GET /v1/validate](https://datacircle.dev/validate-email-apis/validateemail-io/contact-us-enterprise-get-v1-validate/llms.txt): 67% complete, 7 days

## validateemail.io's calls (2)

- `POST /v1/validate/batch`: [validateemail.io, free, POST /v1/validate/batch](https://datacircle.dev/validate-email-apis/validateemail-io/free-post-v1-validate-batch/llms.txt)
- `GET /v1/validate`: [validateemail.io, free, GET /v1/validate](https://datacircle.dev/validate-email-apis/validateemail-io/free-get-v1-validate/llms.txt)

## validateemail.io's APIs (1)

- [validateemail.io: email verification API pricing, 2 plans, GET /v1/validate](https://datacircle.dev/validate-email-apis/validateemail-io/free-get-v1-validate/llms.txt)

## validateemail.io: email verification API alternatives

- [MailTester Ninja, free, No token](https://datacircle.dev/validate-email-apis/mailtester-ninja/free-no-token/llms.txt): $0.00 per 1,000, 50% complete, live
- [Enrich.so, free, POST /email-validation](https://datacircle.dev/validate-email-apis/enrich-so/free/llms.txt): $0.00 per 1,000, 50% complete, live
- [GetProspect, free, POST /v2/email-verifications](https://datacircle.dev/validate-email-apis/getprospect/free-free-post-v2-email-verifications/llms.txt): $0.00 per 1,000, 50% complete, live
- [Sealch, free, POST /api/verify](https://datacircle.dev/validate-email-apis/sealch/free-free-post-api-verify/llms.txt): $0.00 per 1,000, 17% complete, live
- [StopBouncing, free](https://datacircle.dev/validate-email-apis/stopbouncing/free/llms.txt): $0.00 per 1,000, 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 2026-11-05.

- https://validateemail.io/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://validateemail.io/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing#pricing
- https://validateemail.io/acceptable-use?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://validateemail.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://validateemail.io/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://validateemail.io/signup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://validateemail.io/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://validateemail.io/upgrade?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing