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Documentation Index

Fetch the complete documentation index at: https://docs.predexon.com/llms.txt

Use this file to discover all available pages before exploring further.

Predexon has three interfaces that work together. Here’s how to choose the right one.

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At a Glance

Data API

Market data, analytics, and wallet insights across 6 platforms.

Trading API

Place and manage orders without handling wallets or gas.

WebSocket

Real-time streaming of trades, orderbooks, and oracle events.
Data APITrading APIWebSocket
Base URLapi.predexon.comtrade.predexon.comwss.predexon.com
ProtocolRESTRESTWebSocket
Authx-api-key headerx-api-key headerAPI key in URL path

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Data API

Most Data API endpoints are free and unlimited on all plans.
Use the Data API when you need to:
  • List and search markets across all platforms
  • Fetch prices, candlesticks, volume, and open interest
  • Get orderbook snapshots
  • Query historical trades and activity
  • Look up wallet profiles, positions, and P&L
  • Access smart money analytics and leaderboards
  • Find cross-platform market matches
Covers Polymarket, Kalshi, Dflow, Limitless, Opinion, Predict.Fun, and Binance.

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Trading API

Use the Trading API when you need to:
  • Create and manage accounts with managed wallets
  • Place limit and market orders on Polymarket, Predict.fun, Opinion, and Limitless
  • Cancel orders and check balances
  • Get deposit addresses and withdraw funds
  • Redeem resolved positions
  • Configure partner fees
The Trading API handles all wallet management and transaction signing through Turnkey’s secure key infrastructure. You never need to manage private keys. Currently supports: Polymarket (USDC.e on Polygon), Predict.fun (USDT on BSC), Opinion (USDT on BSC), and Limitless (USDC on Base).

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WebSocket

WebSocket requires a Dev plan or higher ($49/mo).
Use the WebSocket when you need to:
  • Stream live trades as they happen
  • Detect pending trades from the mempool (3–5s before confirmation)
  • Monitor position activity (splits, merges, redemptions)
  • Track market lifecycle events (creation, resolution)
  • Stream real-time L2 orderbook updates
  • Follow UMA oracle events (proposals, disputes, settlements)