# Services from demo.x402alpha.app on Zero

> demo.x402alpha.app 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/demo.x402alpha.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/demo.x402alpha.app/health.json

## Services

- [Base Sentinel Token Risk Analysis](https://www.zero.xyz/c/base-sentinel-token-risk-analysis-4aa20f06/llms.txt): $0.01/call via x402. Performs AI-powered comprehensive risk analysis of a crypto token using on-chain metrics, social sentiment, and technical analysis to produce a risk score and trading recommendation
- [Base Sentinel Slippage Estimator](https://www.zero.xyz/c/base-sentinel-slippage-estimator-1810659f/llms.txt): $0.01/call via x402. Estimates safe slippage tolerance for token swaps on Base by analyzing pool depth and volatility metrics

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)