Ktor Tutorial #4: Routing — Handling HTTP Requests
Routing is the core of any backend framework. It maps URLs to code that handles requests and sends responses. In this tutorial, you will learn how to define routes in Ktor, handle different HTTP methods, use path and query parameters, group routes, and handle errors properly. How Routing Works in Ktor Every Ktor route has three parts: HTTP method — GET, POST, PUT, DELETE, etc. Path — The URL pattern like /api/users/{id} Handler — The code that runs when a request matches routing { get("/hello") { // method + path call.respondText("Hi") // handler } } When a client sends GET /hello, Ktor finds the matching route and runs the handler. ...