JSON Schema Generator
Paste sample JSON to auto-generate a JSON Schema. Great for API validation and AI function calling.
What is JSON Schema?
JSON Schema is a vocabulary for annotating and validating JSON documents. It describes the structure, types, and constraints of your data. It's widely used for API validation, form generation, and AI tool/function calling definitions.
Use Cases
- AI Function Calling — define tool parameters for GPT, Claude, and other models
- API Validation — validate request/response payloads
- Code Generation — generate TypeScript interfaces, Pydantic models
- Documentation — describe your data model formally