# Services from tokencheck.402api.dev on Zero

> tokencheck.402api.dev 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/tokencheck.402api.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/tokencheck.402api.dev/health.json

## Services

- [TradingLab Token Check](https://www.zero.xyz/c/tradinglab-token-check-d02ce363/llms.txt): $0.02/call via x402. Checks an ERC-20 token contract on Base mainnet for safety signals including liquidity, sell simulation, transfer taxes, and a buy/sell verdict for $0.02 USDC per call via x402.
- [402api Seller Check](https://www.zero.xyz/c/402api-seller-check-d9186982/llms.txt): $0.02/call via x402. Checks whether an x402 seller's URL or Base wallet address is trustworthy, returning a verdict, reputation data, Bazaar listing info, and a live probe result.

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)