# Eroya — U.S. & China Market Data

Eroya delivers full historical and real-time market data for U.S. stocks, U.S.
options, and China A-shares through a single API key. Access channels: REST API,
bulk CSV.GZ files, WebSocket streaming, and an MCP Server for AI agents.

## Sites
- Marketing: https://eroya.co
- Application (console, account, data store): https://app.eroya.co
- API documentation: https://docs.eroya.co

## Coverage
- U.S. Stocks: tickers, historical bars, trades, quotes, technical indicators,
  exchanges, market status, corporate actions, financial statements, ratios,
  SEC filings, risk factors, news.
- U.S. Options: contracts, aggregate bars, option chains, trades, quotes.
- China A-shares: security masters, market data, company fundamentals, macro,
  market access, reference data, research signals, limit-up themes.
- Bulk files: monthly and yearly CSV.GZ for U.S. daily, U.S. options index,
  China daily, and China stock list.

## Plans
- Starter: free, 5 requests/min.
- Go: $10/mo, 100 requests/min.
- Pro: $20/mo, 1,000 requests/min.
- Premium: $69/mo, 5,000 requests/min.
- Max: $199/mo, unlimited.

Every plan includes the full data catalog and a Worker-managed API key.
Create an account and generate a key at https://app.eroya.co.