# Services from x402-crypto-market-data.up.railway.app on Zero

> x402-crypto-market-data.up.railway.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-crypto-market-data.up.railway.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-crypto-market-data.up.railway.app/health.json

## Services

- [x402 Crypto Market Data – Historical Klines](https://www.zero.xyz/c/x402-crypto-market-data-historical-klines-2e243ade/llms.txt): $0.005/call via x402. Returns historical OHLCV candlestick data for a given crypto trading pair over a specified time range and interval
- [x402 Crypto Market Data – Historical Klines (Recent)](https://www.zero.xyz/c/x402-crypto-market-data-historical-klines-recent-65e27e3e/llms.txt): $0.005/call via x402. Returns the most recent N candlestick (OHLCV) bars for a given trading pair and interval, paid via x402 micropayment.
- [x402 Crypto Market Data – Symbol Info Lookup](https://www.zero.xyz/c/x402-crypto-market-data-symbol-info-lookup-30614229/llms.txt): $0.001/call via x402. Retrieves trading metadata for up to 10 cryptocurrency trading pairs, including status, base/quote assets, and precision settings.
- [x402 Crypto Market Data – Tickers](https://www.zero.xyz/c/x402-crypto-market-data-tickers-384dadb7/llms.txt): $0.002/call via x402. Returns live spot prices for all available cryptocurrency trading pairs (e.g. BTCUSDT, ETHUSDT) in a single call.
- [x402 Crypto Market Data – Symbol Info](https://www.zero.xyz/c/x402-crypto-market-data-symbol-info-3254de85/llms.txt): $0.0015/call via x402. Returns trading status, asset precision, and metadata for a given crypto trading pair symbol (e.g. BTCUSDT)

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)