Prediction Markets APIs

Explore prediction market events, contracts, and trading activity. Compare related outcomes and review market definitions before interpreting a quoted probability.

Polymarket

ToolWhat it returnsPrice
Polymarket SpreadsRetrieves spreads for multiple token IDs. The spread is the difference between the best ask and best bid prices.$0.0162 per successful call
Polymarket Status AddressGet transaction status for bridge activity associated with an address.$0.0162 per successful call
Polymarket Supported AssetsGet supported assets for deposits and withdrawals on the bridge.$0.0162 per successful call
Polymarket Tags ID Related TagsGets related tag relationships by tag id.$0.000594 per successful call
Polymarket Tags Slug Related TagsGets related tag relationships by tag slug.$0.000594 per successful call
Polymarket Tick SizeRetrieves the minimum tick size (price increment) for a specific token ID. The tick size can be provided either as a query parameter or as a path parameter.$0.0162 per successful call
Polymarket Tick Size Token IDRetrieves the minimum tick size (price increment) for a specific token ID using the token ID as a path parameter.$0.0162 per successful call
Polymarket TimeReturns the current Unix timestamp of the server. This can be used to synchronize client time with server time.$0.0162 per successful call
Polymarket TradedReturns the total number of markets a user has traded.$0.0162 per successful call
Polymarket ValueReturns the total value of a user's positions.$0.0162 per successful call
Polymarket WithdrawCreate withdrawal addresses for bridging pUSD out of Polymarket.$0.0162 per successful call

Other sources

ToolWhat it returnsPrice
Prediction Market AnalyticsTrends, top markets, momentum distribution, and per-market momentum signals for prediction markets.$0.0324 per successful call
Prediction Market CorrelationsReturns 30-day Pearson price correlation pairs between Polymarket markets within a category.$0.0324 per successful call
Prediction Market Kalshi EventsReturns Kalshi events with nested markets, optionally filtered by eventticker.$0.0324 per successful call
Prediction Market Kalshi MarketsReturns Kalshi markets, optionally filtered by marketticker.$0.0324 per successful call
Prediction Market Kalshi Open InterestDaily open interest time series for a Kalshi market.$0.0324 per successful call
Prediction Market Kalshi OrderbooksHistorical orderbook snapshots for a Kalshi market.$0.0324 per successful call
Prediction Market Kalshi PricesPrice time series for a Kalshi market with daily or hourly OHLC data, or latest price from recent trades.$0.0324 per successful call
Prediction Market Kalshi TradesReturns individual trade records for a Kalshi market.$0.0324 per successful call
Prediction Market Kalshi VolumesDaily trading volume time series for a Kalshi market.$0.0324 per successful call
Prediction Market Matching DailyReturns daily volume and open interest comparison for a specific Polymarket Kalshi matched pair.$0.0324 per successful call
Prediction Market Matching PairsCross-platform prediction market pair matcher — finds the same event listed on both Polymarket and Kalshi, with live price spread data.$0.0324 per successful call
Prediction Market Polymarket EventsReturns Polymarket events with nested markets, filtered by eventslug, which is REQUIRED.$0.0324 per successful call
Prediction Market Polymarket LeaderboardReturns a ranked leaderboard of Polymarket traders by realized PnL, volume, or trade count.$0.0324 per successful call
Prediction Market Polymarket MarketsReturns Polymarket markets, filtered by marketslug, which is REQUIRED.$0.0324 per successful call
Prediction Market Polymarket Open InterestDaily open interest time series showing total value locked in a Polymarket market.$0.0324 per successful call
Prediction Market Polymarket OrderbooksHistorical orderbook snapshots for a Polymarket token.$0.0324 per successful call
Prediction Market Polymarket PositionsGiven a specific wallet address, returns that wallet's open positions on Polymarket markets.$0.0324 per successful call
Prediction Market Polymarket Price Ohlcv Condition IDOHLCV candlestick data for charting a Polymarket market — open, high, low, close, volume per candle.$0.0324 per successful call
Prediction Market Polymarket PricesSimple price time series for a Polymarket market — one price point per interval.$0.0324 per successful call
Prediction Market Polymarket Smart MoneySmart wallet analytics for Polymarket markets.$0.0324 per successful call
Prediction Market Polymarket TradesTrade and activity history for a Polymarket market or wallet.$0.0324 per successful call
Prediction Market Polymarket Volume Split Condition IDVolume split by YES/NO outcome sides per interval (hour/day/week), plus total volume and trade count.$0.0324 per successful call
Prediction Market Polymarket VolumesAggregate trading volume (USD) and trade count as a time series.$0.0324 per successful call
Search Prediction MarketBrowse and search prediction markets across all supported platforms.$0.0324 per successful call

Related categories

Company And People Data · SEO And Marketing · Finance And Markets · Crypto And DeFi · Travel And Local · Media Generation