# Vetto, free: Email verification API

> Disposable, dead-domain and typo checks for signup emails.

Vetto's email verification API on its Free plan. It costs $0.00 per 1,000 emails. It returns 1 of the 6 key fields we check: Deliverability.
We haven't run Vetto through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
This plan is free. We rank 3,753 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 the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/vetto/free
- [Email validation API: 180+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://usevetto.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://usevetto.com/v1/check`
- API key: with the plan, on https://usevetto.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://usevetto.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Vetto (https://usevetto.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 17%
- Deliverability: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: Check email domains for disposable providers and dead domains

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Disposable, dead-domain and typo checks for signup emails.

## Data

- What it checks: format, mail servers, disposable domains
- Keep data: no limit
- Use data: Only add Vetto to sites you control, and keep your secret key secret. [...] Mention in your own privacy policy that signup emails are checked by a service provider [...]. Do not use Vetto to validate bought or scraped lists, to build mailing lists, to probe other people's services, or to get around plan limits.

## Plan

- Pay: $0
- You get: 1,000 requests a month
- Enough for: 1,000 calls a month

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email. Optional: commit
- Method: POST
- Path: /v1/check

## About the plan

- Plan: Free
- Who can get it: anyone

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

ok, verdict, message, suggestion, reasons, reason code, reason action, reason shadow, tags, branding, fail open

## Vetto's plans (4)

- [Vetto, free](https://datacircle.dev/validate-email-apis/vetto/free/llms.txt): $0.00 per 1,000, 17% complete
- [Vetto, $69 pack](https://datacircle.dev/validate-email-apis/vetto/69-pack/llms.txt): $1.15 per 1,000, 17% complete
- [Vetto, $12 monthly](https://datacircle.dev/validate-email-apis/vetto/12-monthly/llms.txt): $0.20 per 1,000, 17% complete
- [Vetto, $99 yearly](https://datacircle.dev/validate-email-apis/vetto/99-yearly/llms.txt): $0.138 per 1,000, 17% complete

## Vetto's calls (1)

- `POST /v1/check`: [Vetto, free](https://datacircle.dev/validate-email-apis/vetto/free/llms.txt)

## Vetto's APIs (1)

- [Vetto: email verification API pricing, 4 plans](https://datacircle.dev/validate-email-apis/vetto/free/llms.txt)

## Vetto: email verification API alternatives

- [BulkMailCheck, $1,238.40 yearly, Business, GET /verify](https://datacircle.dev/validate-email-apis/bulkmailcheck/1238-40-yearly-business-get-verify/llms.txt): $0.138 per 1,000, 67% complete, live
- [SendSure, $4,152 yearly, Growth Yearly, up to 250,000 / month, POST /api/scoring/batch](https://datacircle.dev/validate-email-apis/sendsure/4152-yearly-growth-yearly-up-to-250000-month-post-api-scoring-batch/llms.txt): $0.138 per 1,000, 50% complete
- [SMTPing, $499 yearly, Enterprise, POST /verify/bulk](https://datacircle.dev/validate-email-apis/smtping/499-yearly-enterprise-post-verify-bulk/llms.txt): $0.139 per 1,000, 50% complete, live
- [verify-email.app, $50 monthly, Premium, POST /v1/verify/batch](https://datacircle.dev/validate-email-apis/verify-email-app/50-monthly-premium-post-v1-verify-batch/llms.txt): $0.139 per 1,000, 50% 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 2026-11-05.

- https://usevetto.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://usevetto.com/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://usevetto.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://usevetto.com/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://usevetto.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing