{"openapi": "3.0.0", "info": {"title": "Paid-call checkout conformance probe", "version": "1.0.0"}, "paths": {"/probe": {"post": {"summary": "Fresh probe (trial once, then x402 $0.05 + disclosed pass-through)"}}, "/verdict": {"get": {"summary": "Latest signed verdict per endpoint ($0.01 lookup; own verdicts free)"}}, "/subscribe": {"post": {"summary": "Monitoring plans $0.99 / $9.99 / $19.99"}}, "/register": {"post": {"summary": "Self-serve per-customer token issuance"}}, "/health": {"get": {"summary": "Health"}}}}