{"protocol":"x402","version":2,"endpoint":"/api/x402/evaluate","method":"POST","price_usd":0.002,"asset":"USDC","network":"base","network_id":"eip155:8453","pay_to":"0xF4A6CEa7CE19CE36D6420905E5a1EAFb30Bfd133","ready":true,"note":null,"how":"POST the same body as /api/v1/evaluate with no key. The first response is 402 with x402 v2 payment requirements; sign them with an x402 client (@x402/fetch, @x402/axios, Coinbase AgentKit) and resend with the PAYMENT-SIGNATURE header. Settlement happens only after a successful evaluation.","docs":"https://x402.org"}