Typed: Open-Source Python Clients Aim to Fix Crypto Exchange API Inconsistencies

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A team of proprietary traders has released Typed, a suite of async, fully-typed Python clients designed to address common inconsistencies in crypto exchange APIs. The library provides one package per exchange venue with a consistent interface, validating all responses at the boundary before they reach user code. Four clients are currently live on PyPI under the typed-* namespace, covering Hyperliquid, Alchemy, MEXC, and dYdX, with more exchanges in active development. The developers say the tooling emerged from their own live trading needs, which they argue holds the project to a higher maintenance standard than typical open-source software. The packages are published under the GPLv3 license, and the team is welcoming community contributions and feedback via GitHub.

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