# Verifox

> Verifox is an email verification platform. It checks whether an email address exists and can safely receive mail by running 9 checks per address: syntax (RFC 5321/5322), domain existence and MX records, SMTP handshake and mailbox ping, disposable-domain detection, role-address detection, catch-all detection with an AI confidence score (0-100), domain age, and SPF/DKIM/DMARC authentication. Accuracy: 99.99% on a 1,000-address benchmark. Median single verification ~380ms; bulk processing ~10,000 emails/minute. SOC 2 Type II; addresses are processed in memory and never stored, logged, or sold.

Free tier: 4 verifications per day with no account at https://verifox.ai/free-email-checker; 1,000 free credits on signup (2,500 with a work email), no card required. Credits are pay-as-you-go and never expire. Pricing is geo-localized at https://verifox.ai/pricing.

For AI agents: Verifox ships a native MCP (Model Context Protocol) server so assistants can verify emails directly. Details: https://verifox.ai/email-verification-mcp

## Products

- [Free Email Checker](https://verifox.ai/free-email-checker): verify any address in 2 seconds, no signup
- [Email Verification API](https://verifox.ai/api-docs): REST API, 99.9% SLA (99.99% on volume contracts)
- [Email Verification Service](https://verifox.ai/services/email-verification): how the 9-point engine works
- [Bulk Email Verifier](https://verifox.ai/email-verifier): CSV list cleaning at 10,000 emails/minute
- [Email Finder](https://verifox.ai/email-finder): find verified work email addresses
- [FoxGuard](https://verifox.ai/foxguard): real-time form protection widget that blocks invalid signups
- [MCP Server for AI agents](https://verifox.ai/email-verification-mcp)

## Key references

- [Pricing (geo-localized, credits never expire)](https://verifox.ai/pricing)
- [Glossary of email verification terms](https://verifox.ai/glossary)
- [Catch-all email explained](https://verifox.ai/glossary/catch-all-email): 20-40% of B2B lists sit on catch-all domains; Verifox resolves them with a 0-100 confidence score instead of returning "unknown"
- [ZeroBounce alternative comparison](https://verifox.ai/vs/zerobounce-alternative)
- [Blog](https://verifox.ai/blog)
- [API documentation](https://verifox.ai/api-docs)
- [Status page](https://status.verifox.ai)

## Company

- Canonical description: Verifox is an email verification platform that confirms addresses exist before you send, using a 9-point engine with AI catch-all resolution.
- Trusted by 500,000+ GTM teams; 2.1B+ emails verified.
- Contact: https://verifox.ai/contact