Reference

JSON Schema Reference

Master the full power of JSON Schema with our reference documentation.

From basic data types to advanced techniques like conditional validation and schema composition, you will learn everything about JSON Schema keywords through clear explanations and examples. By learning best practices for building clear, scalable, and easy-to-maintain schemas, you will ensure that your JSON data is both robust and flexible.

Learn JSON Schema

Improve your JSON Schema skills with this reference, crafted by our TSC members, offering practical examples, best practices, and common pitfalls.

Keywords

Browse our comprehensive index of JSON Schema keywords, each linking to detailed documentation.

Data types

Become profficient at using the type keyword to validate your data.

Value restrictions

Ensure data consistency and accuracy, by defining value sets and fixed values for your JSON properties.

Annotations and comments

Enhance your JSON Schemas with annotations and comments. Learn how to add descriptions, defaults, examples, and more to improve readability and maintainability.

Schema composition

Learn how to combine JSON Schemas using modular and boolean techniques to create flexible and maintainable data models.

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