360mediadirect/express-openapi-vali...

**express-openapi-validator** is a middleware library for ExpressJS that automatically validates incoming API requests and outgoing responses against an OpenAPI 3.x specification. It enforces schema compliance for parameters, request bodies, and responses, while also supporting security schemes and custom formats. The project is designed for **ExpressJS developers building RESTful APIs** who want to ensure their endpoints strictly adhere to a predefined OpenAPI contract without writing repetitive validation logic. It integrates seamlessly with existing or new Express applications and