# Services from api-production-54bd.up.railway.app on Zero

> api-production-54bd.up.railway.app serves 7 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-54bd.up.railway.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api-production-54bd.up.railway.app/health.json

## Services

- [ATR (Average True Range) Trading Data API](https://www.zero.xyz/c/atr-average-true-range-trading-data-api-87189fab/llms.txt): $0.001/call via x402. Returns the Average True Range (ATR) volatility indicator for a given trading symbol and timeframe
- [Trading Data API – Macro Economic Calendar](https://www.zero.xyz/c/trading-data-api-macro-economic-calendar-a8a18d3e/llms.txt): $0.001/call via x402. Returns upcoming and recent macroeconomic events (e.g. Fed meetings, CPI releases, NFP) relevant to trading decisions
- [Trading Data API — AI Momentum & Sentiment Score](https://www.zero.xyz/c/trading-data-api-ai-momentum-sentiment-score-89083ef3/llms.txt): $0.001/call via x402. Returns an AI-generated momentum/sentiment score for a crypto or stock asset based on aggregated trading signals
- [ICT Fair Value Gap (FVG) Detector](https://www.zero.xyz/c/ict-fair-value-gap-fvg-detector-2223e35f/llms.txt): $0.001/call via x402. Returns Fair Value Gap (FVG) levels for a given trading instrument, identifying bullish and bearish imbalance zones used in ICT/Smart Money trading strategies.
- [Trading Data API — Current Price Lookup](https://www.zero.xyz/c/trading-data-api-current-price-lookup-1989953b/llms.txt): $0.001/call via x402. Returns the current market price for a given crypto or stock symbol
- [Kalshi Prediction Market Probability](https://www.zero.xyz/c/kalshi-prediction-market-probability-854b5088/llms.txt): $0.001/call via x402. Returns current market probability for Kalshi prediction market contracts
- [AI Momentum Score — Trading Data API](https://www.zero.xyz/c/ai-momentum-score-trading-data-api-f3ccf5ed/llms.txt): $0.001/call via x402. Returns an AI-generated momentum score for a given asset, synthesizing price action, volume, and market signals into a single actionable metric

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)