# LivePPP — US & China A-Share Market Data API > Read-only daily market data for AI agents and developers: finalized US > equities/ETF and China A-share daily bars (OHLCV), SMA / Wilder RSI(14) > indicators, trading calendars, dataset status and corporate flash news. > REST and MCP (streamable HTTP) expose the same tools. Requests without > an API key automatically use a rate-limited demo tier; a free API key > unlocks plan quota. ## Entry points - API base: https://api.liveppp.com - MCP endpoint: https://api.liveppp.com/mcp - OpenAPI document: https://api.liveppp.com/openapi.json - Agent skill (install + usage instructions): https://liveppp.com/skill.md - Human documentation: https://liveppp.com/docs - Console (API keys, usage): https://app.liveppp.com ## Core endpoints - GET /v1/bars?market=US|CN&symbol=NVDA&limit=60 — latest finalized daily bars - GET /v1/history — historical daily bars - GET /v1/indicators?market=US|CN&symbol=NVDA — SMA(period), RSI14, 1d/20d returns - GET /v1/instruments/search?market=US|CN&q=NVDA — search the live universe - GET /v1/calendar?market=US|CN — trading sessions (XNYS / XSHG) - GET /v1/datasets/status?market=US|CN — published coverage and freshness - GET /v1/news/flash — corporate filings and market flash news ## Notes for agents - A-share symbols carry an exchange prefix: SH600519, SZ300750, SZ000001. - Prices are daily bars for finalized sessions; every response carries its trade dates (data_as_of, available_start, available_end). - Auth: `Authorization: Bearer `. No key = demo tier (per-IP limits, bars <= 60 per request). An invalid key returns 401. - Data is read-only; the API never places orders or moves funds.