# NuFi, free: Email verification API

> Verifica si la dirección de correo es válida y funcional

NuFi's Free API key (100 transactions) plan for the email verification API costs $0.00 per 1,000 emails. We check each provider's docs for 6 fields. NuFi's docs list 4: Address, Deliverability, Confidence, Company.
We haven't run NuFi through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
This plan is free. We rank 4,382 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), [Validemail.co](https://datacircle.dev/validate-email-apis/validemail-co/9-90-monthly-9-90-month-get-api-v1-validate/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/nufi/free
- [Email validation API: best verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://www.nufi.mx/en/apis-validaci%C3%B3n-identidad/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://nufi.azure-api.net/perfilamiento/v1/correo`
- API key: with the plan, on https://www.nufi.mx/en/apis-validaci%C3%B3n-identidad/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://docs.nufi.mx/docs/api-docs-2023/c09dc4399c029-perfilamiento-de-identidades-por-correo?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: NuFi (https://www.nufi.mx?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-09

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Verifica si la dirección de correo es válida y funcional

## Data

- Keep data: no limit
- Use data: Queda prohibida la reventa del servicio sin autorización expresa de Nufi. [...] Queda totalmente prohibido el uso del código del servicio para fines no autorizados, así como de su tecnología API para desarrollar productos que le compitan sin previo acuerdo firmado por ambas partes. [...] Previo a realizar alguna búsqueda en la plataforma de Nufi, los Controladores (personas físicas o morales) clientes de Nufi deberán tener el Consentimiento expreso por el Candidato para realizar el tratamiento de sus datos

## Plan

- Pay: $0
- You get: 100 requests

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: correo, Content-Type header "application/json"
- Method: POST
- Path: /perfilamiento/v1/correo

## About the plan

- Plan: Free API key (100 transactions)
- Who can get it: anyone who requests an API key through NuFi's contact form

## The 26 fields the plan's answer can hold

email, score, deliverable, domain, top-level domain, domain registered, domain created at, domain updated at, domain expires at, registrar name, registered to, disposable, free email provider, custom domain, DMARC enforced, SPF strict, valid MX, accept-all, suspicious TLD, website exists, registered accounts, breach listed, number of breaches, first breach, breaches, applied rules

## NuFi's plans (2)

- [NuFi, free](https://datacircle.dev/validate-email-apis/nufi/free/llms.txt): $0.00 per 1,000, 67% complete
- [NuFi, contact us](https://datacircle.dev/validate-email-apis/nufi/contact-us/llms.txt): 67% complete

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

- `POST /perfilamiento/v1/correo`: [NuFi, free](https://datacircle.dev/validate-email-apis/nufi/free/llms.txt)

## NuFi's APIs (8)

- [NuFi: news API pricing, 2 plans](https://datacircle.dev/news-apis/nufi/free/llms.txt)
- [NuFi: SERP API pricing, 2 plans](https://datacircle.dev/serp-apis/nufi/free/llms.txt)
- [NuFi: business verification API pricing, 2 plans](https://datacircle.dev/business-verification-apis/nufi/free/llms.txt)
- [NuFi: email verification API pricing, 2 plans](https://datacircle.dev/validate-email-apis/nufi/free/llms.txt)
- [NuFi: local business search API pricing, 2 plans](https://datacircle.dev/local-business-search-apis/nufi/free/llms.txt)
- [NuFi: people enrichment API pricing, 2 plans](https://datacircle.dev/person-enrichment-apis/nufi/free/llms.txt)
- [NuFi: phone validation API pricing, 2 plans](https://datacircle.dev/validate-phone-apis/nufi/free/llms.txt)
- [NuFi: reverse email lookup API pricing, 2 plans](https://datacircle.dev/reverse-email-lookup-apis/nufi/free/llms.txt)

## NuFi: email verification API alternatives

- [pingutil, free API key, POST /v1/verify](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt): $0.00 per 1,000, 50% complete, 30 days
- [Validemail.co, free, POST /api/v1/bulk](https://datacircle.dev/validate-email-apis/validemail-co/free-post-api-v1-bulk/llms.txt): $0.00 per 1,000, 67% complete, live
- [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
- [Giggal, free trial, POST /v1/verify-batch](https://datacircle.dev/validate-email-apis/giggal/free-trial-post-v1-verify-batch/llms.txt): $0.00 per 1,000, 67% complete, live
- [graph8, free](https://datacircle.dev/validate-email-apis/graph8/free/llms.txt): $0.00 per 1,000, 33% 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 2026-11-09.

- https://docs.nufi.mx/docs/api-docs-2023?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://docs.nufi.mx/docs/api-docs-2023/c09dc4399c029-perfilamiento-de-identidades-por-correo?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://docs.nufi.mx/docs/api-docs-2023/m7rs9qakw21oi-api-keys?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.nufi.mx/en/apis-validaci%C3%B3n-identidad/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.nufi.mx/terminosycondiciones?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing