# Services from vn-gold-fx-x402-production.up.railway.app on Zero

> vn-gold-fx-x402-production.up.railway.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/vn-gold-fx-x402-production.up.railway.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/vn-gold-fx-x402-production.up.railway.app/health.json

## Services

- [Vietcombank VND Exchange Rates API](https://www.zero.xyz/c/vietcombank-vnd-exchange-rates-api-0f17cd8e/llms.txt): $0.01/call via x402. Returns official Vietnamese Dong (VND) exchange rates from Vietcombank for 10+ currencies, including cash buy, transfer buy, and sell rates, updated every 10 minutes.
- [VN Gold World Spot Price (XAU/USD → VND)](https://www.zero.xyz/c/vn-gold-world-spot-price-xau-usd-vnd-31c1b0c7/llms.txt): $0.005/call via x402. Returns the real-time delayed world gold spot price in XAU/USD, converted to Vietnamese Dong per luong (tael, 37.5g) and per gram

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)