Ktor client post. For example, kotlinx. This artic...

  • Ktor client post. For example, kotlinx. This article aims to guide you through making GET and POST requests with Ktor client, which is a powerful and flexible HTTP client library that is suitable for both Android applications and web server applications. Oct 24, 2025 · Ktor allows you to receive form parameters sent with both x-www-form-urlencoded and multipart/form-data types using the receiveParameters function. Ktor is built from the ground up using Kotlin and Coroutines. serialization requires the ktor-serialization-kotlinx-json dependency for JSON. Ktor Client. This value is stored as an attribute with a unique key in the call. kts Learn to build Kotlin RESTful APIs with Ktor. 3. kt You can test a Ktor application using the testApplication {} function and the provided HTTP client. Jan 20, 2026 · After configuring the client, you can start making HTTP requests. Ktor: POST request with parameters In this tutorial we will create another POST-Route. In this case, a boundary will be generated automatically. Ktor Client 的依赖配置 要在项目中使用 Ktor Client，首先需要在项目的 build. Learn how customize Ktor Client and unleash its full potential ⚡️ You will be redirected shortly Redirecting… Learn how to make HTTP requests in Kotlin using Ktor-Client in this step-by-step Android Studio tutorial. Custom plugins allow you to share any value related to a call so that you can access this value inside any handler processing this call. request() function that accepts a URL as a parameter. . The Ktor Client is a powerful and stable tool tackling issues from requests to WebSockets. Simplified explanations and code beginner Over a year ago finally, I have found out it is from this package kotlinx. 👉 Available here You can learn more about artifacts required by the Ktor client from Adding client dependencies. Empty So what's the kotlin/ktor In this article you will learn how to create a post route which receives json, does some logic with the content of the json and returns… Please note that some of response types are Closeable and can hold resources. ktor:ktor-client-resources:2. Ktor is a framework for building asnchronous servers with the kotlin programming … I'm trying to send a POST request to the server, this post requires parameters "email" and "password". Today, we'll explore Ktor, a toolkit for building server applicati I am wanting to utilize the Ktor client library to interact with a Web API, specifically to authenticate via OAuth, and I'm running into trouble attempting to send a form urlencoded POST request properly. Hello, I’m trying to make a POST request with headers and data. Ktor is a powerful Kotlin-based framework for building asynchronous servers and clients, and i Jan 13, 2025 · In this video, we'll dive deep into the essentials of making HTTP requests with Ktor Client. Inside this function, you can configure various request parameters: Specify an HTTP method, such as GET, POST, PUT, DELETE, HEAD, OPTIONS, or PATCH. Optionally, configure the HTTP client. 其主要功能由 io. ktor-client-content-negotiation: This plugin adds support for content negotiation, which is helpful for working with JSON or other structured data formats. Learn how to effectively use GET, POST, PUT, PATCH, and DELETE methods, along with practical examples If you need to send a file with a form, you can use the following approaches: Use the . The Ktor HTTP client can be used in multiplatform projects. 文章浏览阅读4. Json ) } } I think, there could be answered Apr 8, 2022 at 19:03 Rahul Sainani 3,749 2 37 49 kotlin ktor kotlin-multiplatform ktor-client Learn how to effectively specify body parameters like "email" and "password" when sending POST requests using `Ktor Client`. Ktor Client 可以处理各种请求方法（如 GET、POST、PUT、DELETE 等），并支持协程，使得异步网络请求非常简单和高效。 1. To learn more about the SSE plugin for server-side support, see the SSE server plugin. Ktor Client is an efficient way of executing HTTP request in Android projects which also supported in Kotlin Multiplatform. Verify responses using Getting Started with REST API in Android using Ktor Introduction In the world of Android development, working with REST APIs is a common and essential task. Ktor client 또한 코루틴이 지원되기 때문에 비동기 처리를 할 때도 쉽게 처리할 수 있었습니다. It’s an ideal entry-level tutorial for Kotlin backend developers. In this tutorial, you will discover how to use Kotlin Multiplatform to build for Android, iOS, and desktop, and handle data effortlessly using Ktor. Special in this case is that we want to specify parameters and use them then in the reponse. Application. post&lt; Ktor is a Kotlin-based framework for building efficient HTTP clients and servers. Use the client to make HTTP requests to your test application and receive responses. inline fun <reified T> post(url: String, headersMap: Map<String, String>, data: String) = runBlocking { return@runBlocking httpClient. In summary, it is a networking client, written in Kotlin. The onDownload() extension function in the example above is used to display download progress. How to send byteArray using multipart/form data - SendMultipart. Note that serializers for specific formats require additional artifacts. The example below shows an HTTP client POST request with form parameters passed in a body: 🚀🚀🚀 @KtorMonitor on Medium The material explores how to inspect network communication in Ktor Client applications and simplify troubleshooting during development. The MultiPartFormDataContent constructor also allows you to pass a boundary value. kts 中添加依赖。 Gradle 配置（Kotlin DSL 示例）： dependencies { Post request with an image using Ktor client Asked 6 years, 10 months ago Modified 6 years, 10 months ago Viewed 3k times Learn how to develop a cross-platform full-stack application in Kotlin and Ktor. The primary way to do this is by using the . serialization. For both approaches, you need to Ktor includes a multiplatform asynchronous HTTP client, which allows you to make requests and handle responses, extend its functionality with plugins, such as authentication, JSON serialization, and more. client-multipart - A sample showing how to send multipart data with the HTTP client. ktor:ktor-client-core:$ktor_version 构件提供。 而每个引擎都在 单独的构件 中提供。 目录： Call：Request 与 Response 并发 示例 特性 Call：Request 与 Response 可以在相应的章节中查看 如何发出请求， 以及 如何接收响应。 并发 The SSE plugins supported by Ktor provide a straightforward method for creating a one-way connection between the server and the client. submitFormWithBinaryData() function. For non-streaming requests, the response body is automatically loaded and cached in memory, allowing repeated access. But it’s not just for servers — you can also use Ktor’s client library to make HTTP requests in your Android apps. Learn the fundamentals of validation, error handling, and unit testing for services created with Kotlin and Ktor. module like: runBlocking { // Sample for making a HTTP Client request val message = client. A typical workflow includes the following steps: Define a test using testApplication {}. Example of Posting Data with Forms 编辑本页 预计阅读时间： 1 分钟 Browse the source code on GitHub: ktor-samples-post 作为Kotlin官方推荐的网络请求框架，Ktor是有很强大的功能的，先给官方链接： Creating a client application | Ktor 在android开发中，咱们使用的是Ktor client模块，当然，Ktor Server使用方法也是类似的。接下… Client client-mpp - A sample project showing how to use a Ktor client in a multiplatform application. Ensure you have selected the necessary Ktor server and client engines like 'ktor-client-core', 'ktor-client-java', or 'ktor-client-android'. Configure and run a test instance of your application. Ktor: The Asynchronous Framework for Android Development ktor-client-android: This is the main Ktor client dependency for Android. post<T>(url) { headers { headersMap. This guide explores how to use it for API interactions. While the testing tools lack WebSockets support, they cover most other cases and save the developer time. 10 Ktor Documentation Ktor is a framework for building asynchronous server-side and client-side applications with ease. To handle large responses efficiently, use a streaming approach, which processes the Ktor can be used as a HTTP client or you can build servers with it. I have been using retrofit and Okhttp for a while now, why not Ktor is a lightweight multi-platform framework for building asynchronous server side and client side applications using the full power of Kotlin and coroutines. but I don't know how to specify parameters, I read the Form parameters  Ktor allows you to receive form parameters sent with both x-www-form-urlencoded and multipart/form-data types using the receiveParameters function. Ktor provides the Auth plugin to handle authentication and authorization in your client application. client-tools - A sample showing several useful extension methods not included in Ktor itself. key, it. While this is efficient for small payloads, it may lead to high memory usage with large responses. They give a nice example of how to test a GET endpoint here, however I'm having trouble with an http POST. Intercepting requests using HttpSend  Edit page Last modified: 20 October 2025 Code example: client-http-send How to use Ktor client on Android Walking to Kotlin multiplatform using Ktor Client Ktor is an asynchronous open source framework for creating microservices and web applications. It provides the core HTTP client functionality. Ktor (kotlin web framework) has an awesome testable mode where http requests can be wrapped in unit tests. How to add JSON String in the POST request using kotlin and ktor? Printing it out the Json string read from file or even constructed string with Kotlin in the client, the content looks like JSON. The example below shows an HTTP client POST request with form parameters passed in a body: Apr 29, 2025 · In this tutorial, we will explore how to use Ktor Android Client to make all types of HTTP requests including GET, POST, PUT, DELETE, and form submissions. SerializationException and from this repository io. Manual Setup If you prefer manual setup, initiate a new Kotlin Gradle project and edit your build. In this tutorial, we'll create a simple Kotlin Multiplatform Mobile application, which sends a request and receives a response body as plain HTML text. Typical usage scenarios include logging in users and gaining access to specific resources. forEach { append(it. I want to call an API with the body and send two parameters to this request in the android ktor client. gradle. how can I do this? I wrote this code but it's not working: We added the Ktor dependency to our project, created an instance of the Ktor client, made HTTP requests using the client, customized the requests, and closed the client when we were done. I need to achieve the same result as the curl command curl -F document=@ Jun 23, 2024 · Learn how to use Ktor Client for HTTP requests in Android, explore its engine plugin, customization options, and see a real-world app demo. attributes collection. Customizing requests 我们不能只进行 get 请求，Ktor 允许使用任何 HTTP 动词构件复杂请求，并且灵活地以多种方式处理响应。 Default http methods 与 request 类似，还有几个可以 使用最常见的 HTTP 动词（GET 、 POST 、 PUT 、 DELETE 、 PATCH 、 HEAD 以及 OPTIONS Create simple POST request with ktor In this tutorial we will create our first POST-Route in ktor and test it. Ktor Http client supports, making multipart requests using Ktor is an asynchronous framework for creating microservices and web applications in Kotlin. ) 또한 Ktor server는 기본적으로 비동기로 동작하기 때문에 비동기 처리에 대한 고민을 덜어준다는 점도 좋았습니다. value) } } body = TextContent( text = data, contentType = ContentType. Call the post function and pass the MultiPartFormDataContent instance to the setBody function. ktor-serialization-kotlinx-json: This plugin integrates the Ktor-Client does not use the reflection APIs or OkHttp, instead it uses an asynchronous client to perform HTTP requests named HttpClient which uses HttpResponsePipeline and HttpRequestPipeline, former to process all the responses sent by the server and latter for processing all the requests sent by the client. This tutorial covers setup, routing, and testing on a real-life example. In this tutorial, we'll show you how to create your first Ktor client application that sends a request and prints out a response. Configure a URL as a string or configure its components (such as domain,path, and Dec 5, 2024 · Ktor is a framework sponsored by JetBrains for building asynchronous servers and clients in connected systems using Kotlin. Ktor is interesting. REST APIs allow your Android app to … (이 부분은 개인취향입니다. You get to use a concise, multiplatform language, as well as the Edit page Last modified: 20 October 2025 After adding the client dependencies, you can instantiate the client by creating the HttpClient class instance and passing an engine as a parameter: I use IDEA to generate a template and notice that runBlocking in Application. Select "Ktor" from the list of project types, then configure the project location and libraries. For both approaches, you need to A couple of days ago I decided to experiment on Ktor. 1k次。Ktor是Kotlin官方推出的Web框架，支持HTTP服务及客户端库，与Coroutine无缝对接。本文介绍Ktor在Android上的使用，包括依赖配置、HttpClient创建、ViewModel中HTTP请求封装，以及LiveData数据传递。Ktor支持Kotlin MPP，适合跨平台需求。 Introduction As an experienced Java developer, you're likely familiar with robust, full-featured web frameworks, like Spring Boot. The example below demonstrates how to use attributes to calculate the time between sending a request and receiving a response: Post request a raw json with Ktor client Asked 3 years, 6 months ago Modified 7 months ago Viewed 3k times 在靠近用户的地方部署容器 本工程教育（EngEd）计划由科支持。 在全球范围内即时部署容器。Section是经济实惠、简单而强大的。 免费入门。 如何在Android中用Ktor-Client进行HT If you need to send a file with a form, you can use the following approaches: Use the . Nov 3, 2021 · How can I post file as multipart/form-data use ktor client? I want to use it for telegram bot API &quot;send document&quot;. I've found nearly everywhere in ktor-client documentation and examples they use empty formData to show how the client works formParameters: Parameters = Parameters. Here we will use Ktor, it is a web framework popular in Kotlin world to build connected asynchronous client-server applications. az2i, 8wawf, 5knv, fs6pt, quqfcs, sqrzx0, 4hyfi, 6jjy, argdx, atjpp,