GET /api/v2/threats/low for LOW-tier enriched threat events ($0.01). GET /api/v2/rf/violations for RF physics violations ($1.00). GET /api/v2/wallets/target for scored target wallet pool ($0.50). GET /api/v2/stats and GET /api/v2/ledger/{wallet} are free (unprotected). Full catalog: 26 paid GET endpoints mirroring SNTL /api/v2/*. All prices fixed USDC on Solana mainnet (SOLANA_PAYEE_ADDRESS = SNTL treasury).