SpendPreflight — trust and verification tools for stablecoin payments, built for...
https://api.spendpreflight.com/v1/seller-indexOverview
SpendPreflight — trust and verification tools for stablecoin payments, built for AI agents and the people who run them. Search a bounded pool of cached public x402 sellers by capability. Top3 free; up to12 extended matches cost0.01 USDC only when extra matches exist. Rank unpaid availability, 402 shape, comparable price history and matching public Lint metadata. Missing evidence stays unknown. No new target request, safety/uptime guarantee, identity or paid-delivery proof.