Be more productive with JSON

Describe the shape of your data once. Automatically generate validators and types for any language.


properties:
  name:
    type: string
  isAdmin:
    type: boolean
  favoriteNumbers:
    elements:
      type: number


                  
                    user.schema.yaml


{
  "name": "John Doe",
  "isAdmin": true,
  "favoriteNumbers": [42]
}

No errors.


{
  "isAdmin": "yes",
  "favoriteNumbers":
    [0, "42", 1337]
}

Three errors:

name is required
isAdmin must be a boolean
favoriteNumbers[1] must be a number

Standardize your JSON data. Enforce your standard anywhere.

Stop writing ad-hoc, repetitive code to check the correctness of payloads. JSON Schema Language lets you describe the shape and type of your data, and generates validators and types for you.

Simple

JSON is great because it's obvious. JSON Schema Language is the same; most engineers understand it without having to read any docs.

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Interoperable

JSON Schema Language is a language-independent way of describing JSON data. Use same schema on web and mobile, or across servers written in different languages.

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Extensible

Whether it's custom tooling for your company or adding your own validators, JSON Schema Language is easy to build upon or tailor to your needs.

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Be more productive with JSON

Standardize your JSON data. Enforce your standard anywhere.

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