{"ok":true,"service":"@hfsp/x402-sdk demo","docs":"https://github.com/lpsmurf/hfsp-labs-colosseum/tree/main/packages/x402-sdk","npm":"https://www.npmjs.com/package/@hfsp/x402-sdk","endpoints":{"GET  /":"this page","GET  /health":"health check (free)","POST /api/hello":"$0.001 USDC — returns a greeting","POST /api/echo":"$0.005 USDC — echoes your request body back","POST /api/timestamp":"$0.001 USDC — returns a signed server timestamp"},"how_to_pay":["1. Call any /api/* endpoint — get a 402 with payment instructions","2. Send the listed USDC amount to `pay.payTo` on Solana mainnet","3. Retry with header: X-Solana-Tx: <confirmed-signature>","4. Get your response"],"sdk_quickstart":["npm install @hfsp/x402-sdk","import { X402Client } from '@hfsp/x402-sdk/client';","const client = new X402Client({ wallet, rpcUrl });","const res = await client.fetch('https://demo.hfsp.cloud/api/hello', { method: 'POST' });"]}