JSONia
JSONia is a data description and interchange format conceived as an extension of JSON. It aims to provide a self-describing, schema-driven encoding for data interchange, combining the ubiquity of JSON with richer type information and validation semantics. Proposals for JSONia emerged in the mid-2020s within open-source and academic discussions as a way to reduce the friction between data producers and consumers by embedding schema-like constraints directly in the payload.
JSONia documents are JSON-like in syntax with optional annotations. Beyond standard JSON types, JSONia introduces primitive
Validation in JSONia can be performed locally or by a central validator. A JSONia validator checks value
Tooling and ecosystem support remain the main hurdle. Critics note potential complexity, configuration proliferation, and performance