# Services from nova5-x402.yesterdays-signal.workers.dev on Zero

> nova5-x402.yesterdays-signal.workers.dev serves 3 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/nova5-x402.yesterdays-signal.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/nova5-x402.yesterdays-signal.workers.dev/health.json

## Services

- [x402 Payment-Gated USDC Wallet Balance Preflight](https://www.zero.xyz/c/x402-payment-gated-usdc-wallet-balance-preflight-b5be8baa/llms.txt): $0.01/call via x402. Checks whether an EVM wallet on Base has sufficient USDC balance to cover a requested payment amount, returning a proceed/fund decision with balance details
- [x402 Payment-Gated Base Wallet Intelligence](https://www.zero.xyz/c/x402-payment-gated-base-wallet-intelligence-cd6a5743/llms.txt): $0.01/call via x402. Returns a risk verdict (SAFE/CAUTION/RISKY), risk score, and detailed reasons for any EVM wallet address on Base, paid per-call with USDC via x402
- [Base Wallet Intelligence API (x402 Payment-Gated)](https://www.zero.xyz/c/base-wallet-intelligence-api-x402-payment-gated-eaab5f39/llms.txt): $0.001/call via x402. Returns live on-chain wallet data for a given EVM address on Base, including USDC balance, native ETH balance, current gas price, and latest block info, paid per-call with USDC via x402.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)