orjson
JSON →orjson is a fast and correct Python JSON library supporting dataclasses, datetimes, and numpy. The current version is 3.11.7, released on March 28, 2026, with a release cadence of approximately every 3 months.
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API endpoints
full doc /v1/registry/orjson
install /v1/registry/orjson/install
compatibility /v1/registry/orjson/compatibility