JSON Schema Validator Online
Validate JSON payloads against custom or official JSON Schema specifications. Ensure strict data contracts for APIs, microservices, and configuration management.
JSON Schema Validator Online
Validate your JSON data against JSON Schema standards (draft-07 / draft-2020-12).
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What is JSON Schema Validation?
JSON Schema is a vocabulary that allows you to annotate and validate JSON documents. It defines the structure, allowed properties, required keys, data types (`string`, `integer`, `boolean`, `array`, `object`), value constraints, and string patterns for JSON data.
JSON Schema Validator FAQ
Q:What is JSON Schema validation?
JSON Schema validation checks if a JSON payload complies with a predefined structural contract defining required properties, data types, value ranges, and regex patterns.
Q:Which JSON Schema draft specifications are supported?
Our tool supports JSON Schema draft-07 and draft-2020-12 specifications.
Q:How do I fix validation errors?
When validation fails, our validator highlights the exact property path (e.g. /user/age) and expected condition (e.g. expected number, received string).