# Services from smartcontractexplainer.onrender.com on Zero

> smartcontractexplainer.onrender.com serves 2 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/smartcontractexplainer.onrender.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/smartcontractexplainer.onrender.com/health.json

## Services

- [PlainText — Wallet Approval Checker](https://www.zero.xyz/c/plaintext-wallet-approval-checker-82de2312/llms.txt): $0.04/call via x402. Fetches live token and NFT approvals for an EVM wallet address and returns a plain-language safety verdict (SAFE, CAUTION, or RISK) powered by the GoPlus Security API.
- [PlainText — Wallet Approval Explainer](https://www.zero.xyz/c/plaintext-wallet-approval-explainer-61158003/llms.txt): $0.03/call via x402. Looks up a wallet's live token and NFT approvals via GoPlus Security and returns a plain-language risk verdict (SAFE, CAUTION, or RISK) for non-technical users.

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)