{"name":"Vouch","description":"Per-call payment trust & reputation API for AI agents (x402-monetized).","endpoints":{"POST /v1/check":"Full verdict (score + risk + reasons) + signed attestation. Paid via x402.","POST /v1/score":"Score + risk only. Free (rate-limited).","GET /v1/attestation/pubkey":"Ed25519 public key to verify attestations. Free.","POST /v1/report":"Report a host as flag|vouch. Free.","GET /v1/stats":"Aggregate reputation totals. Free.","GET /health":"Liveness."}}