MailboxValidator alternative: Mailvett
Validate up to 10 email addresses per call: syntax, MX and mail provider, disposable, role and free-provider flags, typo fixes (gmial.com to gmail.com), domain age, SPF and DMARC, with a verdict and a 0-100 score. Keys work on the REST API and the MCP server.
Price comparison
| Plan | Price | Included |
|---|---|---|
| Mailvett Free | $0, no key, no card | 50 calls/day |
| Mailvett Cleaner | $19/month | 5,000 calls/month |
| Mailvett Growth | $49/month | 20,000 calls/month |
| Mailvett Agency | $99/month | 60,000 calls/month |
| Mailvett Pay as you go | $5 once | 1,000 calls, no expiry |
| Mailvett Cleaner yearly | $190/year | 5,000 calls/month |
| Mailvett Growth yearly | $490/year | 20,000 calls/month |
| Mailvett Agency yearly | $990/year | 60,000 calls/month |
MailboxValidator published prices on www.mailboxvalidator.com (2026-09-27): API-FREE $0/mo = 300 queries; API-3 $29.95/mo = 3,000; API-15 $69.95/mo = 15,000.
What you get with Mailvett
- REST API with an OpenAPI spec and a remote MCP server for AI agents; the same key works on both.
- A free daily quota with no signup, so you can test on your own data first.
- Instant key after Stripe checkout; cancel any time, no overage charges.
MailboxValidator is a trademark of its owner; this page only compares published prices. Features differ between products, so check both before you switch.