Ajv

Ajv (Another JSON Schema Validator) is a high-performance JavaScript library for validating JSON data against JSON Schema standards. It supports JSON Schema draft-04, draft-06, draft-07, draft-2019-09, and draft-2020-12, providing fast validation with a small footprint. It is widely used in Node.js and browser environments to ensure data integrity and structure in applications.

Also known as: Another JSON Schema Validator, AJV, ajv-json-schema, ajv-validator, JSON Schema Validator

Why learn Ajv?

Developers should use Ajv when they need to validate JSON data in JavaScript applications, such as in API request/response validation, configuration file validation, or data processing pipelines. It is particularly valuable for ensuring data quality in microservices, web applications, and tools that rely on structured JSON inputs, as it offers speed and compliance with JSON Schema standards.

Learning Resources

• docs: Ajv Official Documentation
• tutorial: JSON Schema Validation with Ajv - Tutorial
• docs: Ajv on GitHub
• course: Mastering JSON Schema and Ajv - Course
• video: Ajv Introduction Video