{"service":"PevGrow agent commerce","currency":"EUR","pricing":"All product prices are resolved server-side from active catalog variants.","shipping":"A server-signed shipping quote is mandatory. Its destination, item set, service and price are verified before the final total is confirmed.","legal":"The buying agent and its operator must verify product legality and age restrictions at destination.","order_flow":["confirmed (signed final quote)","paid","fulfilled","cancelled/refunded"],"payment":{"method":"x402","protocol_version":2,"network":"eip155:8453","asset":"USD Coin","request_header":"PAYMENT-SIGNATURE","challenge_header":"PAYMENT-REQUIRED","response_header":"PAYMENT-RESPONSE","exchange_rate":"Live EUR/USD with durable cache; no silent fixed-rate fallback."},"security":"Payment requires the partner API key or the scoped payment capability returned once at order creation. Order numbers are not payment credentials.","cancellation":"Unpaid orders can be cancelled by the partner. Paid cancellations and refunds require operator review."}