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#2We just tested our x402 payment infrastructure with real micropayments on Base L2.
Replace API keys with pay-per-call. Agents send USDC on Base, gateway validates payment, proxies to backend, returns data.
Tested $2.27 USDC across 50+ API calls. Everything worked.
Tech: Node.js + Fly.io + Base L2 + x402
All 4 backend APIs deployed in ~10 min. Agent integration: Building the payment layer for the agent economy.