{ "opencollection": "1.0.0", "info": { "name": "River Markets balance prices API", "version": "1.0.0" }, "request": { "auth": { "type": "apikey", "key": "X-River-Key-Id", "value": "{{X-River-Key-Id}}", "placement": "header" } }, "items": [ { "info": { "name": "prices", "type": "folder" }, "items": [ { "info": { "name": "Get Volume", "type": "http" }, "http": { "method": "GET", "url": "https://api.rivermarkets.com/v1/prices/:river_id/volume", "params": [ { "name": "river_id", "value": "", "type": "path", "description": "River market ID" }, { "name": "window", "value": "", "type": "query", "description": "Lookback window" } ] }, "docs": "Traded volume over a recent window, summed from our captured trade prints\n(all exchanges write to `trade_prints`). 1 contract traded = $1 of volume.\nSummed from the raw hypertable rather than the OHLC continuous aggregates\nso the most recent minutes are always included." }, { "info": { "name": "Get Volume Batch", "type": "http" }, "http": { "method": "GET", "url": "https://api.rivermarkets.com/v1/prices/volume", "params": [ { "name": "river_ids", "value": "", "type": "query", "description": "Comma-separated list of river IDs" }, { "name": "window", "value": "", "type": "query", "description": "Lookback window" } ] }, "docs": "Batch variant of the windowed-volume endpoint for grid views (multibook):\none grouped scan of `trade_prints` instead of a request per market.\nMarkets with no prints in the window come back with volume 0." }, { "info": { "name": "Get Prices", "type": "http" }, "http": { "method": "GET", "url": "https://api.rivermarkets.com/v1/prices/:river_id", "params": [ { "name": "river_id", "value": "", "type": "path", "description": "River market ID" }, { "name": "type", "value": "", "type": "query", "description": "Response type" }, { "name": "interval", "value": "", "type": "query", "description": "Time range" }, { "name": "fidelity", "value": "", "type": "query", "description": "Minutes per data point (for Polymarket history)" } ] }, "docs": "Get price data for a market.\nReturns either candlestick OHLC data or simple price history based on the `type` parameter.\nThe endpoint automatically determines the exchange and fetches data accordingly.\n\n- **Kalshi**: Returns real OHLC candlestick data with volume\n- **Polymarket**: Returns price history (candlesticks will have synthetic OHLC where all values equal the price)\n\nAll prices are normalized to 0-1 range." } ] } ], "bundled": true }