Stripe x402 Machine Payments

Paid API server using Stripe's machine payments (x402 protocol) for agent-to-agent commerce. USDC on Base.

Prerequisites

• Stripe account with crypto payins enabled
• STRIPE_SECRET_KEY in environment
• Node.js 18+

Run

cd /Users/melted/Github/axiom-public/agent-skills/skills/stripe-x402
npm install
STRIPE_SECRET_KEY=sk_... node scripts/server.mjs

Endpoints

• GET /health — free status
• GET /research?q=<topic> — $0.05 USDC, AI research
• GET /analyze?contract=<addr> — $0.10 USDC, contract analysis

Adding New Endpoints

Use requirePayment(priceUSD) middleware on any Hono route.