# MailboxValidator Free Email Checker

**Provider:** MailboxValidator Free Email Checker
**Category:** storage
**Base URL:** `https://api.mailboxvalidator.com/`
**Auth:** oauth2 — `Authorization: Bearer YOUR_ACCESS_TOKEN`
**Rate Limit:** 4,000 API calls/min (authenticated)
**Free Tier:** Yes — [object Object]
**Pricing:** Free tier available (freemium)
**Docs:** https://api.mailboxvalidator.com/

## Description

The MailboxValidator Free Email Checker checks if a single email address is from a free email provider and returns the results in either JSON or XML format. Refer to https://www.mailboxvalidator.com/api-email-freem for further information.

## Endpoints

| Method | Endpoint | Description |
|--------|----------|-------------|
| GET | `https://api.mailboxvalidator.com//v1/email/free` | The Free Email Checker API does validation on a single email address and returns |

## Authentication

OAuth 2.0 or JWT (Server Authentication) for machine-to-machine

```
Authorization: Bearer YOUR_ACCESS_TOKEN
```

## Sample Request

```bash
curl -X GET 'https://api.mailboxvalidator.com//v1/email/free' \
  -H '# No auth required'
```

## Sample Response

```json
{}
```

## Pricing Details

Individual: free (10GB). Business Starter: $15/user/mo (unlimited storage). Business: $20/user/mo. Enterprise: custom.

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*Source: [API Map](https://apimap.dev/apis/mailboxvalidator-free-email-checker/) — CC BY 4.0*