# Services from x402-tools.vercel.app on Zero

> x402-tools.vercel.app serves 5 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/x402-tools.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-tools.vercel.app/health.json

## Services

- [Polymarket Trending Markets](https://www.zero.xyz/c/x402-tools-vercel-app-072299da/llms.txt): $0.01/call via x402. Returns the top trending prediction markets on Polymarket sorted by 24-hour trading volume
- [Polymarket Historical Prediction Markets](https://www.zero.xyz/c/x402-tools-vercel-app-fb86fc18/llms.txt): $0.01/call via x402. Retrieves resolved and historical prediction markets from Polymarket, filterable by date range, slug, or category tag.
- [x402-tools Horoscope API](https://www.zero.xyz/c/x402-tools-vercel-app-c4f79303/llms.txt): $0.01/call via x402. Returns a daily horoscope reading for a specified zodiac sign, optionally for a given date.
- [x402 Horoscope API (Testnet)](https://www.zero.xyz/c/x402-horoscope-api-testnet-0bc7e2bc/llms.txt): $0.01/call via x402. Returns an AI-generated daily horoscope reading, payable via x402 micropayment on testnet at $0.01 USDC per call
- [x402-tools Concert Listings API](https://www.zero.xyz/c/x402-tools-vercel-app-91627950/llms.txt): $0.01/call via x402, rated 1.3/5 (2 reviews). Returns up-to-date concert listings with venue details, dates, artists, and ticket price ranges, filterable by city, genre, artist, country, and date range.

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)