{"id":"agent_risk_firewall","price_usdc":0.25,"description":"Premium agent risk firewall: evaluate up to five x402 payment or token swap intents in one call and return allow, require_human, or deny decisions plus a deterministic audit receipt.","method":"POST","execute_url":"https://api.sys84.org/v1/services/agent_risk_firewall","payment_discovery":{"method":"POST","url":"https://api.sys84.org/v1/services/agent_risk_firewall","instruction":"POST without payment to receive HTTP 402 with PAYMENT-REQUIRED header, then retry POST with PAYMENT-SIGNATURE or X-Payment."},"payment":{"price_usdc":0.25,"pay_to":"0x64e4e6c18849ba687A468dcad0A582AC6f8089E4","network":"base:8453","asset":"USDC","docs":"https://api.sys84.org/quickstart"},"input_schema":{"agent_wallet":"string EVM wallet address for the autonomous agent","intents":"array one to five x402_payment or token_swap intent objects","policy":"object optional spend and risk policy limits","chain":"string optional, default base","receipt_ttl_seconds":"number optional receipt validity from 30 to 3600 seconds"},"output_schema":{"decision":"string allow/require_human/deny","summary":"object counts of allowed, review, and denied intents","reasons":"array machine-readable reason codes","results":"array per-intent decisions and evidence","decision_receipt":"object deterministic hashes, issue time, expiry, and receipt hash"}}