Fast JSON Schema Validator for Python

library 2.21.2 ·python

✓ verified Jun 9, 2026 ✓ install

A high-performance JSON schema validator for Python, currently at version 2.21.2, with a release cadence of approximately one release per year.

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Resources

githubgithub.com/horejsek/python-fastjsonschema ↗

packagepypi.org/project/fastjsonschema/ ↗

API endpoints

full doc /v1/registry/fastjsonschema

install /v1/registry/fastjsonschema/install

compatibility /v1/registry/fastjsonschema/compatibility