{"success":true,"protocol":{"version":"1.0.0","name":"x402","description":"HTTP 402 Payment Required protocol for autonomous agent commerce","supported_networks":["solana","base"],"supported_currencies":["USDC","SOL","credits"],"payment_methods":["usdc_solana","usdc_base","sol","credits","privacy_cash"],"flow":["POST /invoke with a paid capability (no payment proof)","Receive HTTP 402 with payment requirements","Execute payment on-chain or use credits","Resubmit /invoke with X-Payment-Proof header","Capability executes, settlement recorded"]},"stats":{"active_requirements":0,"total_payments":0,"used_nonces":0,"revenue":{}}}