Simple FIX Protocol Implementation

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library 1.0.17 ·python
verified May 23, 2026

SimpleFIX is a Python library that provides a straightforward implementation of the FIX (Financial Information eXchange) application-layer protocol. It enables the creation, encoding, and decoding of FIX messages. Unlike full-fledged FIX engines, SimpleFIX focuses solely on message handling and does not include functionality for socket communication, session management, recovery, or message persistence. The library is actively maintained, with its latest version being 1.0.17.

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