{
  "title": "API Schema Design Structure",
  "description": "Documentation of the structural patterns and conventions used in schema design for APIs.",
  "categories": {
    "primitiveTypes": {
      "description": "Basic data types common across schema formats",
      "types": {
        "string": { "examples": ["name", "email", "url", "id"] },
        "integer": { "examples": ["count", "page", "statusCode"] },
        "number": { "examples": ["price", "latitude", "weight"] },
        "boolean": { "examples": ["isActive", "enabled", "required"] },
        "null": { "examples": ["optionalField with null"] }
      }
    },
    "compositeTypes": {
      "description": "Complex types built from primitives",
      "types": {
        "object": { "description": "Key-value pair structure", "example": {"id": "string", "name": "string"} },
        "array": { "description": "Ordered list of items", "example": ["item1", "item2"] },
        "oneOf": { "description": "Value must match exactly one of the provided schemas" },
        "anyOf": { "description": "Value must match at least one schema" },
        "allOf": { "description": "Value must match all provided schemas (composition)" }
      }
    },
    "formats": {
      "description": "Standard string formats for semantic validation",
      "common": {
        "date": "ISO 8601 date (2026-05-02)",
        "date-time": "ISO 8601 datetime (2026-05-02T14:00:00Z)",
        "email": "Email address",
        "uri": "URI / URL",
        "uuid": "UUID v4",
        "ipv4": "IPv4 address",
        "ipv6": "IPv6 address",
        "binary": "Binary file data"
      }
    },
    "namingConventions": {
      "description": "Common field naming patterns in API schemas",
      "patterns": {
        "camelCase": { "example": "firstName", "usedIn": ["JSON API", "GraphQL", "JavaScript SDKs"] },
        "snake_case": { "example": "first_name", "usedIn": ["Python APIs", "PostgreSQL", "some REST APIs"] },
        "PascalCase": { "example": "FirstName", "usedIn": ["C# SDKs", ".NET APIs"] },
        "kebab-case": { "example": "first-name", "usedIn": ["HTML attributes", "CSS", "URL paths"] }
      }
    },
    "designPrinciples": {
      "description": "Key principles for good schema design",
      "principles": [
        "Use meaningful, descriptive field names",
        "Avoid abbreviations unless domain-standard",
        "Limit nesting to 2-3 levels for readability",
        "Always define required vs optional fields explicitly",
        "Provide field-level descriptions",
        "Use enums for finite value sets",
        "Include example values",
        "Design for extensibility (avoid breaking changes)"
      ]
    }
  }
}