PAPI Blog

Product updates, engineering deep dives, and market insights.

Introducing PAPI: One API for Every Prediction Market

We're building a unified API and SDK platform that connects to Polymarket, Kalshi, and more — so you can focus on trading, not integrations.

Prediction markets are growing fast, but fragmented APIs create friction for traders and developers. Here's why a unified approach matters.

Each prediction market returns data in its own format. Here's how PAPI normalises markets, orders, and positions into a single consistent schema.

A step-by-step tutorial for building a simple prediction market trading bot using the PAPI SDK and a few lines of code.

A practical comparison of Polymarket and Kalshi from a developer's perspective — APIs, trading mechanics, and where each platform shines.