Orderbook and matching engine infrastructure provides the core trading technology that prediction market platforms rely on. Central limit order books, hybrid AMM-CLOB designs, and high-throughput matching systems enable efficient price discovery and trade execution.
Part of the Build / Infra layer

Unified API for normalized data across Polymarket, Kalshi, and more

Oracle network that brings Polymarket data on-chain, enabling developers to build DeFi derivatives from prediction market prices
Unified APIs and SDKs for real-time prediction market data access
Offchain-to-onchain orchestration framework for hybrid blockchain apps

Open-source columnar database for blazing-fast real-time analytics

AI agent platform

Tools directory

Tools directory

Open-source platform for building prediction markets

Grant program supporting Polymarket ecosystem development

Omnichain messaging protocol for cross-chain interoperability

AI agent framework

Real-time data API

C# developer SDK for the Polymarket API

Benchmark and deploy AI prediction market agents

Unified API for prediction markets, CCXT-style

Institutional-grade liquidity network

Purpose-built L1 for trading

High-performance on-chain orderbook
Other build / infra categories in the prediction market ecosystem.