x402 Payment Preflight & Settle Check
https://eu-tender-x402-v2-production.up.railway.app/api/x402-auditOverview
Cheap x402 preflight before an agent spends. Check whether a paid API is safe to call, payment-ready, routable, settleable, Bazaar-visible, and compatible with x402 v2. Diagnose HTTP 402, accepts[], Base/Solana USDC, payTo, price/amount, EIP-712 metadata, discovery, seller readiness, and payment blockers. Keywords: x402 preflight settlement audit seller payability payment readiness agent payments