Validate and classify an email DOMAIN from public DNS: MX hosts + mail-provider, SPF and DMARC policy, plus disposable / free-webmail / role-account flags and a deliverability signal. No SMTP probing of individual mailboxes (privacy + ToS).
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.005000 USDC | 0x2d3a...C423 |
| Polygon | exact | $0.005000 USDC | 0x2d3a...C423 |
| Arbitrum One | exact | $0.005000 USDC | 0x2d3a...C423 |
| eip155:480 | exact | 0.01 tokens | 0x2d3a...C423 |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.01 tokens | AytHnv...8R1u |