A minimal JSON Schema

Json

Describes the shape of a payload so it can be validated before anything else touches it.

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "required": ["id", "email"],
  "additionalProperties": false,
  "properties": {
    "id": { "type": "integer", "minimum": 1 },
    "email": { "type": "string", "format": "email" },
    "tags": { "type": "array", "items": { "type": "string" } }
  }
}

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Data Formats json schema validation chris

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