Flask-ORJSON

JSON →
library 2.0.0 ·python
verified May 26, 2026

Flask-ORJSON is a Flask JSON provider that leverages the `orjson` library for significantly faster JSON serialization and deserialization. It replaces Flask's default `json` module with `orjson`, offering performance improvements, especially for high-throughput applications handling large JSON payloads. The current version is 2.0.0, and it is actively maintained by the Pallets-eco team, following a release cadence tied to Flask and `orjson` updates.

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