{"service":"CallFlow AI Paid Sales Call API","endpoint":"https://callflow-ai-nine.vercel.app/api/agent/sales-call","method":"POST","price":"$0.03","currency":"USDC","network":"eip155:8453","chain":"Base mainnet","payTo":"0xDf7C8ee54872F1C4B0cB20F2c321C3bEFbc3b18E","paymentProtocol":"x402 v2","input":{"required":["transcript"],"optional":["title","rep","prospect","company"]},"note":"GET is free metadata. POST requires x402 payment."}