REST API

Cotrader Screener API

Screen stocks with plain English queries. One API call, real results.

Request
curl -X POST https://api.getcotrader.com/api/screener/screen \
  -H "X-API-Key: ct_live_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"naturalLanguageQuery": "RSI under 30 with price above 200 SMA"}'
Response 200 OK
{
  "success": true,
  "matchCount": 12,
  "totalStocksScanned": 11247,
  "interpretedAs": "RSI(14) < 30 AND Close > SMA(200)",
  "matches": [
    { "symbol": "INTC", "name": "Intel Corp", ... },
    ...
  ]
}

Plain English Queries

Describe what you're looking for naturally. No filter builders, no complex syntax.

35+ Technical Indicators

RSI, MACD, Bollinger Bands, moving averages, volume analysis, and more. Updated daily.

Full US Market Coverage

Screen across every active US stock. Market cap, sector, and price filters included.

API access starts free

10 screens/day on the Free plan. Need more? Upgrade for higher limits.

View Plans

Ready to Get Started?

Check out the full API documentation for endpoints, authentication, and example queries.