{"x402Version": 2, "resources": [{"resource": "https://presign.hergertsynthora.com/service", "accepts": [{"scheme": "exact", "network": "eip155:8453", "maxAmountRequired": "15000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x10800a5a5B9d72251566EC651E862A8b4B427dE0", "resource": "https://presign.hergertsynthora.com/service", "description": "Pre-sign security verdict for autonomous agents: before an agent SIGNS and settles a transaction, get an allow/warn/block verdict with reasons. Decodes the calldata to catch UNLIMITED approvals (spender can drain the token without further signatures), and cross-checks the token (honeypot, mintable, pausable, hidden owner, blacklist, buy/sell tax via GoPlus) and the spender/recipient (phishing, blacklist, sanctions via GoPlus address-security + Chainalysis + TRM). Use it as a last-mile guard before approving a token or signing a tx. Ed25519-signed provenance. 0.015 USDC on Base. POST {\"chain\":\"base\",\"to\":\"0x..\",\"data\":\"0x..\"} to verify a tx before signing, or {\"chain\":\"base\",\"token\":\"0x..\"} to verify a token before approving. SYNTHORA.", "mimeType": "application/json", "maxTimeoutSeconds": 300, "extra": {"name": "USD Coin", "version": "2"}}]}]}