Pre-payment guard for x402 agents: free POST /v1/intel/preflight before spending, paid signed V7 trust receipt after. Evaluate any counterparty BEFORE paying — 0.05 USDC buys the proof (Solana mainnet). POST /v1/intel/preflight is free, no auth.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.05 tokens | GFpLvo...e1Gs |
| Base | exact | $0.05 USDC | 0xfB98...2578 |