Cheapest OFAC SDN wallet screen for AI agents ($0.001). AML/KYT pre-pay gate: PASS/WARN/BLOCK before you settle any x402

Cheapest OFAC SDN wallet screen for AI agents ($0.001). AML/KYT pre-pay gate: PASS/WARN/BLOCK before you settle any x402 counterparty. Keyless Base USDC, Ed25519-attested. Beats $0.005–$0.05 wallet-screen clones. Upsell multi-list sanctions $0.02 + compliance receipt $0.05.