Prediction market data, APIs and SDKs

EventTracker.ai provides data or programmatic research tools.

KalshiSpy provides data or programmatic research tools.

• Kalshi

Polygon Labs provides tools for developers.

Historical trades, markets and 1ms orderbook snapshots for Polymarket and Kalshi via REST, ClickHouse SQL, Python SDK and Parquet exports.

• Paid or fee-based
• Polymarket
• Kalshi

Crypto.com’s US prediction page presents event trading with cash or crypto funding. This jurisdiction-specific page does not establish availability elsewhere.

Indexing Co describes a data layer for programmable payments, with infrastructure intended to support application workloads.

EdgeMarket provides tools for developers.

• Polymarket

Normalized API for real-time and historical prediction market data across Kalshi, Polymarket and other venues, aimed at market makers, prop firms and funds. Does not route orders.

• Polymarket
• Kalshi

Ostium provides tools for developers.

PolyRouter provides data or programmatic research tools.

Apify provides tools for developers.

No description yet.

No description yet.

• Free and paid
• Polymarket
• Kalshi

OpticOdds provides tools for developers.

Robonet provides tools for developers.

Lychee provides data or programmatic research tools.

• Polymarket
• Kalshi

pdata provides data or programmatic research tools.

• Polymarket
• Kalshi
• Manifold

Polynode provides data or programmatic research tools.

• Polymarket

PolyPulse provides tools for developers.

• Polymarket

PolyScope provides data or programmatic research tools.

• Polymarket

Trading Technologies provides tools for developers.

API3 provides tools for developers.

DFlow provides tools for developers.

MyShell provides tools for creating, sharing and owning AI agents. It is included as adjacent agent-development infrastructure.