JSONi
JSONi is a conceptual data-serialization format that extends the JSON data model with optional type annotations and metadata. Designed to preserve JSON's human-readability and broad interoperability, JSONi aims to enable stronger typing, schema awareness, and easier validation without requiring a complete rewrite of existing JSON workflows.
Core ideas include the addition of lightweight type hints and metadata blocks that can be used by
In practice JSONi introduces optional fields or special prefixes to convey types, such as a top-level $schema
The term appears in academic discussions and hobbyist literature as a hypothetical extension to JSON; there
JSONi remains a niche concept with no formal standard or broad ecosystem. Its success depends on consensus
Related topics include JSON, JSON Schema, JSON5, and data serialization formats.