REFERENCE API

China Stock Reference Data API

Build stable security master data from listings, industry classifications and exchange calendars for screening and research operations.

Create a free API key View endpoint documentation

Core coverage

Maintain listed, delisted and market-segment records

Research use

Map securities to SW industry classifications

Extended capability

Query open and closed days by exchange

REST API

Start querying with one request

Every endpoint uses consistent authentication, security symbols, and JSON responses. The same API key works with Python SDK, MCP, and REST API.

curl "https://quantsonar.com/v1/reference/stocks?exchange=SSE&list_status=L" \
  -H "X-API-Key: qs_your_key"

AVAILABLE DATA

Reference endpoints

FREEStock list/v1/reference/stocks FREESW industry classification/v1/reference/industries FREETrading calendar (default SSE)/v1/reference/trade-calendar

EXPLORE THE DATA ATLAS

Combine more research data

Explore prices, ETFs, financials, flows, indices, and realtime information, then combine results through consistent public fields. Review pricing and rate limits before choosing a plan.

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