v2
latestOpenAPI 3.1.0Proprietary2026-08-054985119.4 KBprices
Get Prices
Get price data for a market. Returns either candlestick OHLC data or simple price history based on the type parameter. The endpoint automatically determines the exchange and fetches data accordingly.
- Kalshi: Returns real OHLC candlestick data with volume
- Polymarket: Returns price history (candlesticks will have synthetic OHLC where all values equal the price)
All prices are normalized to 0-1 range.
get/v1/prices/{river_id}
Path parameters
river_idinteger required
River market ID
River market ID
Query parameters
type'candlesticks' | 'history'
Response type
Response type
interval'1d' | '1w' | '1m' | 'max'
Time range
Time range
fidelityinteger
Minutes per data point (for Polymarket history)
Minutes per data point (for Polymarket history)
Response
Successful Response