# Neutrino API, free, Free, GET /email-verify: Email validation API

> Perform in-depth SMTP based email address verification. Verify real users and filter out low-quality email addresses.

Neutrino API's email validation API on its Free plan, $0.00 per 1,000 emails. 3 of the 6 key fields: Address, Its check, Company.

- This page: https://datacircle.dev/validate-email-apis/neutrino-api/free-free-get-email-verify
- Get it: https://www.neutrinoapi.com/plans/
- Its API docs: https://www.neutrinoapi.com/api/email-verify/
- Sold by: Neutrino API (https://www.neutrinoapi.com)
- Checked: 2026-10-19

## In the answer

- Completeness: 50%
- Address: ✓
- Its check: ✓
- Company: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Per: call
- Also pays for: Bad Word Filter · BIN Lookup · Browser Bot · Convert · Domain Lookup · Email Validate · Geocode Address · Geocode Reverse · Host Reputation · HTML Clean · HTML Render · Image Resize · Image Watermark · IP Blocklist · IP Info · IP Probe · Phone Validate · QR Code · UA Lookup · URL Info

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Perform in-depth SMTP based email address verification. Verify real users and filter out low-quality email addresses.

## Data

- Freshness: live
- Keep data: no limit
- Use data: The user may create derivative products using our APIs including the data returned from our APIs with the exception of 4.2 below. [...] The user may not distribute, resell or transfer bulk API data to anyone other than the Licensee. Bulk API data is any data returned from any API which includes more than one single data record. [...] as well as any bulk data obtained by storing API response data on your own systems. [...] The user may not embed our APIs into client-side (e.g. JavaScript), desktop or mobile software without the protection of a server-side process or strong encryption. [...] The user may not allow anyone other than Licensee, Licensee’s employees, Licensee’s contractors or Licensee’s vendors to access our APIs or data without the suppliers express written permission.

## Plan

- Pay: $0
- Expires: refreshed at midnight in your account's timezone setting

## Rate limit

- Per second: 2
- Concurrent: 50
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email. Optional: fix-typos
- Method: GET
- Path: /email-verify

## About the plan

- Plan: Free
- Who can get it: anyone

## The 19 fields the plan's answer can hold

verified, valid, email, domain, provider, MX server IP, free email, disposable, role address, typos fixed, syntax error, domain error, domain status, SMTP status, SMTP response, deferred, catch-all, error code, error message

## Neutrino API's plans (5)

- [Neutrino API, free, Free, GET /email-verify](https://datacircle.dev/validate-email-apis/neutrino-api/free-free-get-email-verify/llms.txt): $0.00 per 1,000, 50% complete, live
- [Neutrino API, pay as you go, On-Demand, GET /email-verify](https://datacircle.dev/validate-email-apis/neutrino-api/pay-as-you-go-on-demand-get-email-verify/llms.txt): $1.50 per 1,000, 50% complete, live
- [Neutrino API, $10 monthly, Tier 1, GET /email-verify](https://datacircle.dev/validate-email-apis/neutrino-api/10-monthly-tier-1-get-email-verify/llms.txt): $0.667 per 1,000, 50% complete, live
- [Neutrino API, $50 monthly, Tier 2, GET /email-verify](https://datacircle.dev/validate-email-apis/neutrino-api/50-monthly-tier-2-get-email-verify/llms.txt): $0.333 per 1,000, 50% complete, live
- [Neutrino API, $250 monthly, Tier 3, GET /email-verify](https://datacircle.dev/validate-email-apis/neutrino-api/250-monthly-tier-3-get-email-verify/llms.txt): $0.333 per 1,000, 50% complete, live

## Neutrino API's calls (2)

- `GET /email-validate`: [Neutrino API, free, Free, GET /email-validate](https://datacircle.dev/validate-email-apis/neutrino-api/free-free-get-email-validate/llms.txt)
- `GET /email-verify`: [Neutrino API, free, Free, GET /email-verify](https://datacircle.dev/validate-email-apis/neutrino-api/free-free-get-email-verify/llms.txt)

## Similar plans of other providers

- [NeverBounce, free](https://datacircle.dev/validate-email-apis/neverbounce/free/llms.txt): $0.00 per 1,000, 50% complete, live
- [Piloterr, free](https://datacircle.dev/validate-email-apis/piloterr/free/llms.txt): $0.00 per 1,000, 33% complete, live
- [No2Bounce, free](https://datacircle.dev/validate-email-apis/no2bounce/free/llms.txt): $0.00 per 1,000, 17% complete, live
- [Outscraper, free](https://datacircle.dev/validate-email-apis/outscraper/free/llms.txt): $0.00 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 2026-10-19.

- https://www.neutrinoapi.com/api/api-basics/
- https://www.neutrinoapi.com/api/api-errors/
- https://www.neutrinoapi.com/api/batch-processing/
- https://www.neutrinoapi.com/api/email-validate/
- https://www.neutrinoapi.com/api/email-verify/
- https://www.neutrinoapi.com/api/hlr-lookup/
- https://www.neutrinoapi.com/api/openapi-3.1.json
- https://www.neutrinoapi.com/api/phone-validate/
- https://www.neutrinoapi.com/plans/
- https://www.neutrinoapi.com/pricing/
- https://www.neutrinoapi.com/terms-and-conditions/