# Services from prices.x402utils.workers.dev on Zero

> prices.x402utils.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/prices.x402utils.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/prices.x402utils.workers.dev/health.json

## Services

- [Token Price Percentage Change API](https://www.zero.xyz/c/token-price-percentage-change-api-7a4a4359/llms.txt): $0.001/call via x402. Returns the percentage price change for one or more tokens over a specified time period (1h, 24h, 7d, or 4w), supporting CoinGecko IDs or chain:contract addresses.
- [Token Price Lookup — Live & Historical (x402utils)](https://www.zero.xyz/c/token-price-lookup-live-historical-x402utils-3583e273/llms.txt): $0.001/call via x402. Returns live or historical prices and percentage change for crypto tokens identified by CoinGecko IDs or chain:contract address pairs, across any chain.
- [prices.x402utils Token Price API](https://www.zero.xyz/c/prices-x402utils-token-price-api-5dc23c67/llms.txt): $0.002/call via x402. Returns live or historical token prices (by CoinGecko ID or chain:contract address) with percentage change over a period, paid per call via x402 (USDC on Base).

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)