Real-time, risk-weighted USDC/WETH lending APY signal across Aave, Compound, Morpho, Moonwell, Euler and Fluid on Base — sold per-call via x402 ($0.01), REST + MCP. Every response signed (EIP-712 typed data) by the payment-receiving address; periodic on-chain attestations (EAS, Base mainnet) provide a public, permanent track record independent of this server's uptime.