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Build more. Break less. Empower others.

JSON Schema enables the confident and reliable use of the JSON data format.

Used by

Please visit the JSON Schema Landscape and discover more companies using JSON Schema.

Why JSON Schema?

While JSON is probably the most popular format for exchanging data, JSON Schema is the vocabulary that enables JSON data consistency, validity, and interoperability at scale.

Streamline testing and validation

Simplify your validation logic to reduce your code’s complexity and save time on development. Define constraints for your data structures to catch and prevent errors, inconsistencies, and invalid data.

Exchange data seamlessly

Establish a common language for data exchange, no matter the scale or complexity of your project. Define precise validation rules for your data structures to create shared understanding and increase interoperability across different systems and platforms.

Document your data

Create a clear, standardized representation of your data to improve understanding and collaboration among developers, stakeholders, and collaborators.

Vibrant tooling ecosystem

Adopt JSON Schema with an expansive range of community-driven tools, libraries, and frameworks across many programming languages.

Start learning JSON Schema

Explore the JSON Schema Ecosystem

Discover JSON Schema tooling to help your organization leverage the benefits of JSON Schema. Because JSON Schema is much more than a Specification, it is a vibrant ecosystem of Validators, Generators, Linters, and other JSON Schema Utilities made by this amazing Community.

Welcome to the JSON Schema Community

With over 60 million weekly downloads, JSON Schema has a large and active developer community across the world. Join the Community to learn, share ideas, ask questions, develop JSON Schema tooling and build new connections.

JSON Schema Community Meetings & Events

We hold monthly Office Hours and Open Community Working Meetings. Office Hours are every first Tuesday of the month and by appointment. Open Community Working Meetings are every third Monday of the month at 12:00 PT.

Upcoming events

  • 18

    JSON Schema Open Community Working Meeting

    November 18th 2024, 8:00 pm (UTC)

  • 3

    JSON Schema Office Hours (Europe/Americas)

    December 3rd 2024, 3:00 pm (UTC)

  • 16

    JSON Schema Open Community Working Meeting

    December 16th 2024, 8:00 pm (UTC)

  • 7

    JSON Schema Office Hours (APAC/Americas)

    January 7th 2025, 3:00 pm (UTC)

  • 20

    JSON Schema Open Community Working Meeting

    January 20th 2025, 8:00 pm (UTC)

  • 4

    JSON Schema Office Hours (Europe/Americas)

    February 4th 2025, 3:00 pm (UTC)

View Calendar

Start contributing to JSON Schema

Sponsors

If you ❤️ JSON Schema consider becoming a sponsor or a backer.

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Supported by

The following companies support us by letting us use their products.
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