mailcheck.hergertsynthora.com

https://mailcheck.hergertsynthora.com

● healthy general

Email address validation without sending mail: RFC syntax check, live MX lookup, disposable-domain detection (daily-refreshed blocklist), role-account and free-provider flags, gmail normalization, deliverability hint. Deterministic, Ed25519-signed. 0.001 USDC via x402 on Base. SYNTHORA.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://mailcheck.hergertsynthora.com

/.well-known/x402.json

https://mailcheck.hergertsynthora.com/.well-known/x402