KaviB Academy

  Koa.js There are 5 constraints Uniform interface Stateless Cacheable Client-Server Layered System 1.Uniform interface URIs refer to distinct services based on the http standard. HTTP requests consist of a header, body, and query parameters, whereas URI responses consist of a header, status, and body. verbs in HTTP (GET ,PUT ,POST ,DELETE) Example: Create faculties Insert new resource - POST /faculties Fetch a resource - GET /faculties Replace existing resources PUT / faculties / {faculty id} Delete resource DELETE /faculties/{faculty id} Update resource PATCH /faculties/{faculty id} Versioning of Rest APIs is also crucial. because it will serve in the long run when newer API versions are available Versioning is a type of text used to distinguish URIs. As a example: POST v1 /faculties GET v1 /faculties PUT v1/faculties /{faculty id} Query parameters In the REST API, query arguments are valid situations. Query parameters are optional parameters that are used to indicate which opera...

 

 When building web apps using Node.js, setting up a server might take a long time. Because of the community's support, Node.js has matured enough over time.  Using Node.js as a backend for web apps and websites allows developers to get started quickly on their project. In this article, we'll look at Express, a Node.js web development framework that includes capabilities like routing and rendering, as well as support for REST APIs.