REST API documentation with OpenAPI and Swagger bridges the gap between raw code and human-readable instructions. While often used interchangeably, is the industry-standard specification (the "rules" for the document), and Swagger is the suite of tools used to implement that specification. Core Benefits
Documentation can be auto-generated from code annotations, ensuring it stays in sync with actual API changes. REST API Documentation Using OpenAPI (Swagger)
To create high-quality API documentation, follow these industry standards: API Documentation Made Easy with OpenAPI & Swagger REST API documentation with OpenAPI and Swagger bridges
Because it is based on JSON or YAML, OpenAPI allows both humans and machines to understand an API's capabilities without needing access to the original source code. REST API Documentation Using OpenAPI (Swagger)