x402 • mailcheck.hugen.tokyo /validate

Comprehensive email validation: syntax (RFC 5322), MX records, disposable detection (5,000+ domains), free provider check (Gmail, Yahoo, Outlook), role-based detection (admin@, info@), typo suggestion (gmial.com). Returns 0-1 confidence score with detailed per-check results. POST protects email addresses from access logs. AI agent API for lead qualification, signup fraud prevention, CRM hygiene, email deliverability. Accepts USDC payments on Base and Solana

x402 listing summary:

• Network: eip155:8453
• Asset: USD Coin (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913)
• Pay to: 0x29322Ea7EcB34aA6164cb2ddeB9CE650902E4f60
• Max amount: 5000 (atomic units)
• Method: POST
• Endpoint: https://mailcheck.hugen.tokyo/validate
• Scheme: exact
• Timeout: 300s
• MIME: application/json
• Last updated: 2026-03-17T05:38:23.863Z
• x402 version: 2