OpenAPI Spec Validator is a CLI, pre-commit hook and python package that validates OpenAPI Specs against the OpenAPI 2.0 (aka Swagger), OpenAPI 3.0 and OpenAPI 3.1 specification.
postal-code-checker is a comprehensive JavaScript/TypeScript package for validating postal codes across multiple countries. It provides an easy-to-use API for country selection and postal code validation, making it ideal for forms and address validation in web applications.