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JSON Schema - Infer, Validate, TypeScript

Under maintenance

Try for free

🔥 7-DAY LAUNCH SPRINT (May 1–8, 2026): First 100 runs free for new users. JSON Schema toolkit: automatically infer schemas from JSON data, validate documents against schemas, and generate TypeScript type definitions. Essential for API development and data validation workflows.

Pricing

Pay per event

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0.0

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Developer

2x lazymac

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Bookmarked

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Monthly active users

13 days ago

Last modified

JSON Schema API

Generate JSON schemas from data, validate JSON, diff schemas, convert to TypeScript/mock data/docs, merge schemas, and extract from OpenAPI specs.

Input

tool (string): Tool — generate_schema, validate_json, diff_schemas, schema_to_typescript, schema_to_mock, merge_schemas, schema_to_docs, extract_openapi
data (object): Data to generate schema from or validate
schema (object): JSON Schema for validation/conversion
schemaA, schemaB (object): Schemas for diff
schemas (array): Array of schemas to merge
spec (string): OpenAPI spec to extract from
title (string): Title for generated schema or docs

Output

Returns generated schema, validation results, diff, TypeScript types, mock data, documentation, or extracted schemas.

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