x402 • mailcheck.hugen.tokyo /mx

Look up MX (Mail Exchange) DNS records for any domain — returns whether mail servers exist and their hostnames sorted by priority. Essential for verifying email deliverability before sending. Supports all TLDs including ccTLDs and new gTLDs. AI agent API for email infrastructure verification, domain reputation assessment, and bulk email pre-send validation. 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: GET
• Endpoint: https://mailcheck.hugen.tokyo/mx
• Scheme: exact
• Timeout: 300s
• MIME: application/json
• Last updated: 2026-03-17T05:38:26.481Z
• x402 version: 2