Data API

Prediction Market API

Events, rankings, and order books from Polymarket and predict.fun.

GateData.ai Prediction Market API exposes tradable events, liquidity rankings, and order books from leading prediction venues. Events and rankings are normalized across Polymarket and predict.fun where indexed; live current order book is available for Polymarket today.

API Reference

What you get

Multi-platform events

Search and rank events across supported prediction venues with normalized fields.

REST + MCP delivery

Live datasets in this domain are available through REST endpoints and native MCP tools for Claude, Cursor, and custom agents.

Unified object model

Assets, venues, protocols, and wallets share one schema — agents move across domains without rewriting parsers.

Popular endpoints

API Reference →

FAQ

Which platforms are covered?

Events and rankings: Polymarket and predict.fun. Current order book: Polymarket this phase; predict.fun live books are not available yet. See the Data Catalog for endpoint status.

Are prediction markets linked to crypto assets?

When a market maps cleanly to a catalog asset, related_asset_ids are included in the response.

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