# Services from x402-api-production-bd43.up.railway.app on Zero

> x402-api-production-bd43.up.railway.app serves 10 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-api-production-bd43.up.railway.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-api-production-bd43.up.railway.app/health.json

## Services

- [x402 FX Exchange Rate API](https://www.zero.xyz/c/x402-fx-exchange-rate-api-14988fc5/llms.txt): $0.01/call via x402. Returns the current foreign exchange (FX) rate between two currencies via a micropayment-gated GET endpoint
- [x402 Fear & Greed Index API](https://www.zero.xyz/c/x402-fear-greed-index-api-f37cfbda/llms.txt): $0.01/call via x402. Returns the current and historical Crypto Fear & Greed Index values, including sentiment classification, over a configurable number of days
- [x402 Gas Price API](https://www.zero.xyz/c/x402-gas-price-api-0a2bd1a4/llms.txt): $0.01/call via x402. Returns current blockchain network gas prices for a specified (or default) network, paid per-call via x402 micropayment
- [x402 Price API – All-Time High (ATH) Endpoint](https://www.zero.xyz/c/x402-price-api-all-time-high-ath-endpoint-d553ec0c/llms.txt): $0.01/call via x402. Returns the all-time high price data for a specified cryptocurrency by coin ID
- [x402 Bitcoin Dominance API](https://www.zero.xyz/c/x402-bitcoin-dominance-api-4a109b67/llms.txt): $0.01/call via x402. Returns Bitcoin's current market dominance as a percentage of total crypto market capitalization
- [x402 Price API – Price History](https://www.zero.xyz/c/x402-price-api-price-history-914e0676/llms.txt): $0.01/call via x402. Returns historical price data for a specified cryptocurrency (e.g. Bitcoin, Ethereum) via a pay-per-call x402 endpoint
- [x402 Weather API](https://www.zero.xyz/c/x402-weather-api-03593cba/llms.txt): $0.01/call via x402. Returns current weather data for a specified city, paid per-call via x402 micropayment protocol
- [x402 Asset Price API](https://www.zero.xyz/c/x402-asset-price-api-10005b67/llms.txt): $0.01/call via x402. Returns the current market price for a given asset symbol (e.g. BTC, ETH, stocks) via a pay-per-call x402 micropayment endpoint
- [x402 News API](https://www.zero.xyz/c/x402-news-api-a84d6d3e/llms.txt): $0.01/call via x402. Returns recent news articles filtered by an optional topic, paid per-call via x402 micropayment protocol
- [x402 Yields API](https://www.zero.xyz/c/x402-yields-api-ac7bd018/llms.txt): $0.01/call via x402. Returns DeFi protocol yield/interest rate data, optionally filtered by protocol name

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

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