JSON Schema Validation

The home of JSON Schema validation right in your browser 🚧 Alpha 🚧 draft-7 only

Instance Validation Successful

JSON Schema

Valid JSON:

 
{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "required": [
    "languages"
  ],
  "properties": {
    "languages": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "object"
      },
      "anyOf": [
        {
          "$ref": "#/definitions/Java"
        },
        {
          "$ref": "#/definitions/JavaScript"
        }
      ]
    }
  },
  "definitions": {
    "Java": {
      "required": [
        "trainer"
      ],
      "properties": {
        "lang": {
          "enum": [
            "Java"
          ]
        },
        "trainer": {
          "type": "string"
        }
      }
    },
    "JavaScript": {
      "required": [
        "enrolled",
        "available"
      ],
      "properties": {
        "lang": {
          "enum": [
            "JavaScript"
          ]
        },
        "enrolled": {
          "type": "string"
        },
        "available": {
          "type": "string"
        }
      }
    }
  }
}

JSON instance

Valid JSON:

 
{
  "languages": [
    {
      "lang": "Java",
      "trainer": "Peter"
    },
    {
      "lang": "JavaScript",
      "enrolled": "42",
      "available": "5"
    }
  ]
}

Validation Successful

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JSON instance

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