Dome

Get Kalshi market price by ticker.

Replace :market_ticker with the Kalshi market ticker. Returns current market price.

{
  "path": {
    "market_ticker": "string (Kalshi market ticker)"
  }
}

List Kalshi prediction markets.

GET with optional query params. Returns a list of Kalshi prediction markets. Use series_ticker to filter by series.

{
  "query": {
    "limit": "number (optional)",
    "cursor": "string (optional)",
    "status": "string (optional: 'open', 'closed')",
    "series_ticker": "string (optional)"
  }
}

Get Kalshi orderbook data.

GET with ticker query param. Returns the order book (bids and asks) for a Kalshi market.

{
  "query": {
    "ticker": "string (market ticker)"
  }
}

Get Kalshi trade history.

GET with optional query params. Returns recent Kalshi trade history.

{
  "query": {
    "ticker": "string (optional, filter by market)",
    "limit": "number (optional)",
    "cursor": "string (optional)"
  }
}

List available sports for matching markets.

GET with no params. Returns a list of sports that have matching prediction markets across platforms.

Get matching markets for a specific sport.

Replace :sport with the sport name. Returns prediction markets from Polymarket and Kalshi that match the same events.

{
  "path": {
    "sport": "string (sport name from /matching-markets/sports)"
  }
}

Get Polymarket activity feed.

GET with optional pagination. Returns recent Polymarket trading activity.

{
  "query": {
    "limit": "number (optional)",
    "offset": "number (optional)"
  }
}

Get historical price candlestick data for a Polymarket market.

Replace :condition_id with the market's condition ID. Returns OHLC price candles.

{
  "path": {
    "condition_id": "string (Polymarket condition ID)"
  },
  "query": {
    "interval": "string (optional: '1m', '5m', '1h', '1d')",
    "fidelity": "number (optional)"
  }
}

List Polymarket events.

GET with optional query params. Returns Polymarket events (each event can have multiple markets).

{
  "query": {
    "limit": "number (optional)",
    "offset": "number (optional)",
    "slug": "string (optional)",
    "tag": "string (optional)"
  }
}

Get the current price for a Polymarket market by token ID.

Replace :token_id with the Polymarket CLOB token ID. Returns the current market price (0-1 probability).

{
  "path": {
    "token_id": "string (Polymarket CLOB token ID)"
  }
}

Search and list Polymarket prediction markets.

GET with optional query params. Returns Polymarket markets. Use tag to filter by category, order to sort.

{
  "query": {
    "limit": "number (optional)",
    "offset": "number (optional)",
    "tag": "string (optional, e.g. 'politics', 'crypto')",
    "active": "boolean (optional)",
    "closed": "boolean (optional)",
    "order": "string (optional: 'volume', 'liquidity', 'created')"
  }
}

Get Polymarket orderbook data.

GET with token_id query param. Returns the order book (bids and asks) for a Polymarket market.

{
  "query": {
    "token_id": "string (CLOB token ID)"
  }
}

Get Polymarket orders.

GET with optional query params. Returns Polymarket orders. Filter by market condition ID or maker address.

{
  "query": {
    "market": "string (optional, condition ID)",
    "maker_address": "string (optional)",
    "limit": "number (optional)"
  }
}

Get Polymarket positions for a wallet address.

Replace :wallet_address with an Ethereum address. Returns all open Polymarket positions for that wallet.

{
  "path": {
    "wallet_address": "string (Ethereum wallet address)"
  }
}

Get Polymarket wallet info.

GET with address query param. Returns Polymarket wallet details including balance and proxy address.

{
  "query": {
    "address": "string (Ethereum wallet address)"
  }
}

Get Polymarket wallet PnL for a wallet address.

Replace :wallet_address with an Ethereum address. Returns profit/loss data for the wallet's Polymarket positions.

{
  "path": {
    "wallet_address": "string (Ethereum wallet address)"
  }
}