JSON SchemaBuild more. Break less. Empower others. JSON Schema enables the confident and reliable use of the JSON data format. Getting startedJoin SlackSearchSearch 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 Read the docs 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. Explore 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. Join the JSON Schema Slack Workspace! Join our Slack to ask questions, get feedback on your projects, and connect with +5000 practitioners and experts. Join Slack The JSON Schema Blog JSON Schema and IETF Greg Dennis 2026-07-06 · 3 min read Read more 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. Open Community Working MeetingsOffice Hours Upcoming events 17 JSON Schema Open Community Working Meeting August 17th 2026, 20:00 (UTC) 18 JSON Schema Weekly Office Hours August 18th 2026, 18:00 (UTC) 25 JSON Schema Weekly Office Hours August 25th 2026, 18:00 (UTC) 1 JSON Schema Weekly Office Hours September 1st 2026, 18:00 (UTC) 8 JSON Schema Weekly Office Hours September 8th 2026, 18:00 (UTC) 15 JSON Schema Weekly Office Hours September 15th 2026, 18:00 (UTC) 21 JSON Schema Open Community Working Meeting September 21st 2026, 20:00 (UTC) 22 JSON Schema Weekly Office Hours September 22nd 2026, 18:00 (UTC) 29 JSON Schema Weekly Office Hours September 29th 2026, 18:00 (UTC) 6 JSON Schema Weekly Office Hours October 6th 2026, 18:00 (UTC) 13 JSON Schema Weekly Office Hours October 13th 2026, 18:00 (UTC) 19 JSON Schema Open Community Working Meeting October 19th 2026, 20:00 (UTC) 20 JSON Schema Weekly Office Hours October 20th 2026, 18:00 (UTC) 27 JSON Schema Weekly Office Hours October 27th 2026, 18:00 (UTC) 3 JSON Schema Weekly Office Hours November 3rd 2026, 18:00 (UTC) View Calendar Start contributing to JSON Schema Contribute Sponsors If you ❤️ JSON Schema consider becoming a sponsor or a backer . Support us! Gold Sponsors Your logo here Silver Sponsors Your logo here Bronze Sponsors Your logo here Supported by The following companies support us by letting us use their products. Email us for more info!