# Services from api-production-2800.up.railway.app on Zero

> api-production-2800.up.railway.app 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/api-production-2800.up.railway.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api-production-2800.up.railway.app/health.json

## Services

- [AgentSpendGuard x402 Endpoint Risk Preflight API](https://www.zero.xyz/c/api-production-2800-up-railway-app-1a182582/llms.txt): $0.003/call via x402. Performs risk assessment on an x402 payment endpoint before an autonomous agent pays, returning an allow/caution/block verdict with score, reason codes, and evidence.
- [AgentSpendGuard Token Risk Scanner](https://www.zero.xyz/c/api-production-2800-up-railway-app-7a301d15/llms.txt): $0.015/call via x402. Scans an EVM/Base token address for security risks including honeypot detection, tax analysis, liquidity checks, holder concentration, and mint controls, returning a JSON verdict with score, reasons, and recommended action.
- [AgentSpendGuard Transaction Explain & Calldata Risk API](https://www.zero.xyz/c/api-production-2800-up-railway-app-069c4485/llms.txt): $0.010000/call via x402. Analyzes EVM transaction calldata before signing, returning a human-readable intent explanation, risk score, reason codes, and recommended action for AI wallet agents.

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)