Open source

A handful of public modules. Free. MIT-licensed.

When we found ourselves writing the same boilerplate for the fifth client project, we open-sourced it. These are production-tested modules - the same code we use internally.

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github.com/predikted/polymarket-clob-py MIT

polymarket-clob-py

Typed Python client for Polymarket CLOB. Order placement, book streams, fills subscription, EIP-712 signing, rate-limit handling.

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github.com/predikted/kalshi-trade-py MIT

kalshi-trade-py

Typed Python client for Kalshi Trade API. Market data, orders, positions, with retry/back-off and tax-event hooks.

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github.com/predikted/predict-backtest MIT

predict-backtest

Lightweight backtest harness for prediction markets. Per-trade fee accounting, slippage modeling, support for both venues.

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github.com/predikted/whale-indexer MIT

whale-indexer

Polygon indexer specialized for Polymarket wallets. Ranking by PnL, win rate, position count. Powers our wallets directory.

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Open source is the foundation. Production is the work.

Using one of these modules and stuck on the integration? Or want a custom adapter for your OMS? That's our day job.

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