{"version":1,"resources":["https://x402-validator-tools.fly.dev/validate"],"openapi":"https://x402-validator-tools.fly.dev/openapi.json","instructions":"Canonical discovery: GET /openapi.json. Paid: POST /validate (x402 v2 or X-API-Key). Free demo: POST /audit-public. Contact: mssalidev@proton.me"}