The Tatum Prediction Market API gives developers direct access to events, markets, wallet activity, pricing, and trading data across supported prediction platforms.
It helps you build market explorers, trader dashboards, wallet analytics, and discovery tools without managing your own indexing pipeline.
Key Benefits of the Prediction Market API
- Cross-platform market data – Query prediction events and markets from supported platforms in a unified format.
- Real-time trading insights – Access prices, orderbooks, trades, positions, and liquidity snapshots.
- Wallet analytics – Track portfolio value, positions, activity, and market participation for specific wallets.
- Flexible discovery – Search events, profiles, and tags to power browse and discovery flows.
Prediction Market API Sections
The Prediction Market API is organized into three core endpoint groups.
Use the section that best matches your product surface.
Events APIsBrowse and retrieve top-level prediction events, along with event-focused discovery tools.
Best for category pages, event hubs, and search-driven navigation.
Markets APIsAccess market-level metadata, current prices, orderbooks, price history, trades, positions, and trader rankings.
Best for market detail pages, trading interfaces, and analytics dashboards.
Wallet APIsTrack wallet portfolios, open and closed positions, trade history, activity feeds, and wallet value over time.
Best for portfolio views, user dashboards, and reporting workflows.
Supported Platforms
- Polymarket —
polymarket - Kalshi —
kalshi
Common Use Cases for Developers
- Build prediction market homepages with event and market discovery.
- Power trading terminals with price, orderbook, and trade feeds.
- Create wallet portfolio dashboards with open positions and PnL history.
- Launch research tools for market structure, top traders, and historical performance.
Prediction Market API FAQs
How is the API organized?
The Prediction Market API is organized into three main groups: Events APIs, Markets APIs, and Wallet APIs. This structure makes it easier to map endpoints to common product surfaces such as discovery pages, trading views, and portfolio dashboards.
Which platforms are supported?
The API supports Polymarket and Kalshi for cross-platform prediction-market access. Some endpoints are platform-specific, especially for wallet and holder analytics.
Which page should I start with?
Start with the Events APIs page for discovery flows, the Markets APIs page for trading and market-detail surfaces, or the Wallet APIs page for user portfolio and activity views.