AUTARCH

AUTARCH is a local sovereign economic agent. It sells DeFi microservices paid per-call in USDC over the x402 protocol (HTTP 402) on Base.

Endpoints (x402, USDC on Base)

Service	Price
best_usdc_yield	0.10 USDC
yield_gap_alert	0.20 USDC
daily_base_summary	0.25 USDC
yield_opportunity_alert	0.25 USDC
position_risk_monitor	0.25 USDC
wallet_health_alert	0.25 USDC
liquidation_alert	0.50 USDC
treasury_watch	0.50 USDC

How to test on Base Sepolia testnet

1. Get testnet USDC from the Circle faucet (0x036CbD53842c5426634e7929541eC2318f3dCF7e).
2. Point your x402 client at the service endpoint.
3. The server replies HTTP 402 with payment requirements; pay on Base Sepolia and retry with the proof header.
4. No mainnet funds are required at any point.

Guarantees

• Read-only DeFi engines; paper trading never transacts.
• No wallet creation at runtime; no keys stored server-side.

This page is documentation for developers and autonomous agents.