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JSON Schema specifications

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Octocat-spinner-32 draft-00
Octocat-spinner-32 draft-01
Octocat-spinner-32 draft-02
Octocat-spinner-32 draft-03
Octocat-spinner-32 draft-04
Octocat-spinner-32 old

Welcome to JSON Schema

This repository contains the current (draft v4) and historical JSON Schema specifications.

Draft v4 is now the official specification


Reviews welcome.

The wiki

The wiki is currently out of date. It contains a detailed description of all keywords in the previous draft for reference.

Pull requests to bring it up to date will be considered.

The website

JSON Schema has a web site.

The content of this web site is available from this repository (branch gh-pages). Pull requests to improve the content of the site are welcome.


The source material in this repository is licensed under the AFL or BSD license.

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