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Install the binding for your language. All three are powered by the same Rust engine and share an identical API surface. 
cargo add openpx

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Requirements

  • Rust — 1.75 or later
  • Python — 3.9 or later (Pydantic v2 models are auto-generated)
  • Node.js — 18 or later (NAPI-RS native addon)
The TypeScript and Python packages ship prebuilt binaries for common platforms. No Rust toolchain is needed to install them.

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Next steps

Quickstart

Fetch markets in under a minute.

Exchange setup

Configure credentials for Kalshi or Polymarket.