Json Schema Python Packages

pydantic

Data validation using Python type hints

pydantic-core

Data validation using Python type hints

jsonschema

An implementation of the JSON Schema specification for Python

referencing

Cross-specification JSON referencing (JSON Schema, OpenAPI, and the one you just made up!)

jsonschema-specifications

Support files exposing JSON from the JSON Schema specifications to Python

fastapi

FastAPI framework, high performance, easy to learn, fast to code, ready for production

json-repair

Repair malformed JSON from LLMs, APIs, logs, and user input in Python.

msgspec

A fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOML

mashumaro

High-performance serialization without replacing your data model

sqlmodel

SQL databases in Python, designed for simplicity, compatibility, and robustness.

datamodel-code-generator

Generate Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON/YAML/CSV.

apispec

A pluggable API specification generator. Currently supports the OpenAPI Specification (f.k.a. the Swagger specification)..

cadwyn

Production-ready Stripe-like API versioning in FastAPI

outlines-core

Faster structured generation

check-jsonschema

A CLI and set of pre-commit hooks for jsonschema validation with built-in support for GitHub Workflows, Renovate, Azure Pipelines, and more!

jschema-to-python

Generate source code for a set of Python classes from a JSON schema.

marshmallow-jsonschema

JSON Schema Draft v7 (http://json-schema.org/) formatting with marshmallow

py-openapi-schema-to-json-schema

Python port of https://github.com/mikunn/openapi-schema-to-json-schema

jschon

An object-oriented JSON Schema implementation for Python.

jsf

Creates fake JSON files from a JSON schema

sphinx-jsonschema

A Sphinx extension to display a JSON Schema

scrapegraph-py

Official Python SDK for the ScrapeGraph AI API. Smart scraping, search, crawling, markdownify, agentic browser automation, scheduled jobs, and structured data extraction

apischema

JSON (de)serialization, GraphQL and JSON schema generation using Python typing.

json-strong-typing

Auxiliary services for working with Python type annotations.