{"x402Version": 2, "resources": [{"resource": "https://mtasts.hergertsynthora.com/service", "accepts": [{"scheme": "exact", "network": "eip155:8453", "maxAmountRequired": "3000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x10800a5a5B9d72251566EC651E862A8b4B427dE0", "resource": "https://mtasts.hergertsynthora.com/service", "description": "SMTP transport-security audit: MTA-STS (RFC 8461) + TLS-RPT (RFC 8460). Resolves the policy DNS records, fetches and parses the well-known policy file, cross-validates the policy mx: patterns against the domain's real MX, returns an enforce/report verdict. Complements SPF/DKIM/DMARC with the TLS transport layer. Deterministic, Ed25519-signed. $0.003 USDC via x402 on Base. SYNTHORA.", "mimeType": "application/json", "maxTimeoutSeconds": 300, "extra": {"name": "USD Coin", "version": "2"}}]}]}