Core data
Prices & history
Batch quotes, single-ticker snapshots, daily OHLCV, and intraday candles—structured JSON you can trust for backtests and apps.
Access reliable historical market data for US equities and ETFs through a simple and fast REST API.
Our platform provides clean, structured historical market data for developers, traders, and financial analysts. Build trading algorithms, financial dashboards, research tools, and analytics platforms using our scalable API.
Product
One API for historical depth, live context, and advanced market signals—designed so your users see polished charts, not broken pipes.
25+
Years of history
US stocks & ETFs
REST + WS
One platform
HTTP & WebSocket
Free tier
Start at $0
No card required
Swagger
Live docs
Try requests in-browser
Batch quotes, single-ticker snapshots, daily OHLCV, and intraday candles—structured JSON you can trust for backtests and apps.
WebSocket feed for live updates when you need freshness, not just end-of-day files.
ETFs, options chains, insider trades, sentiment, dark pool activity, macro indicators, screeners, and technical signals—in one API surface.
API key auth, predictable routes, OpenAPI/Swagger, and generous limits so your team ships dashboards, bots, and quant pipelines faster.
Sign up, copy your key, and call the API. Our docs mirror production so what you read is what you run.
curl -H "x-api-key: YOUR_KEY" \
https://cineprompt-api-production.up.railway.app/api/stocks/AAPL/history?interval=1dAccess daily historical prices for US stocks and ETFs from 2000 to present.
Fetch market data using simple endpoints with predictable JSON responses.
Well documented endpoints, consistent schema, and easy authentication using API keys.
Optimized infrastructure designed for high performance data retrieval.
Access historical data for thousands of equities and exchange traded funds.
This platform is designed for professionals who need reliable market data
Algorithmic traders
Financial analysts
Developers building fintech apps
Quantitative researchers
Trading bot developers
Start free. Scale as you grow.
50 requests/day
1,000 requests/day
10,000 requests/day
100,000 requests/day