Retrofit multipart form data example I found a solu Learn how to efficiently send form data to a server in Retrofit with detailed steps and code examples. GitHub Gist: instantly share code, notes, and snippets. You can declare a method inside a Retrofit interface like the one below to support that operation: Apr 2, 2016 · 了解 multipart/form-data 在最初的http协议中，没有定义上传文件的 Method，为了实现这个功能，http协议组改造了post请求，添加了一种post规范，设定这种规范的 Content-Type 为 multipart/form-data;boundary=$ {bound} ,其中 $ {bound} 是定义的分隔符，用于分割各项内容 (文件,key-value对)，不然服务器无法正确识别各项内容 Dec 20, 2022 · Retrofit Implementation In Flutter H ello Everyone. Sending data to the server is one of the most fundamental tasks of Retrofit. And if we want to use progress bar with it we should ove Feb 10, 2015 · I am wondering if anyone can share with me an example of multipart/form-data that contains: Some form parameters Multiple files This code snippet defines a Retrofit interface method to upload images along with text data fields like description and title. Example # Once you have setup the Retrofit environment in your project, you can use the following example that demonstrates how to upload multiple files using Retrofit: private void mulipleFileUploadFile(Uri[] fileUri) { OkHttpClient okHttpClient = new OkHttpClient(); OkHttpClient clientWith30sTimeout = okHttpClient. Don't forget, we have more tutorials from our Retrofit series for you: Update — October 22nd 2015 We’ve added new code examples for Retrofit 2 besides the existing ones for Retrofit 1. I want to upload image as form data using Retrofit Post method. I'm using it under Android: Upload File to Server along with other data using Retrofit 2. Mar 3, 2020 · The post looks something like this (as form data): type: customerQuery user: userId message: The customer query etc. example. Aug 5, 2019 · Why don't you use Multipart? This is an example of using it for a simple user info with phone number, password and a prfile pic: In your Activity: Mar 15, 2016 · Multiple methods exist to send data to your server. Step-by-step guide with code examples. Jul 13, 2024 · Then, the MultipartBody. Example: In this example, we send a MultipartBody. We use Multipart to May 1, 2023 · In networking, a multipart request is a type of HTTP request that allows you to send multiple types of data in a single request. I have an end point which accepts two parts as given below: @Multipart @POST ("user/personImageUpload5" Oct 26, 2015 · I'am currently using Retrofit 2 and i want to upload some photo at my server. Learn how to upload a simple image file using retrofit multipart feature. Summary In this tutorial, we explored the concept of multipart requests in HTTP and how to work with them effectively. Do you want to upload a file using the clean Retrofit syntax, but aren’t sure how to receive the result as well as the upload progress? We will be using Retrofit to perform the file upload, building an implementation that is able to receive the completion progress at intervals and then complete with the remote API response. Part with a field name, the file name, and the request body for use in an HTTP request. Mar 13, 2025 · This method allows you to easily send files and text data using Retrofit in Android. How to upload large file without memory out of bound exception. This value will override any value set by the user. In this article we are going to see how we can GET data from an API using the Retrofit library, for this we have to follow some steps : Mar 12, 2022 · esantiago1 / Send form-data in retrofit Last active 3 years ago Star 6 6 Fork 2 2 gistfile1. Aug 31, 2024 · Mastering Multipart Requests in Android HTTP Clients When developing applications for Android, handling files and images in HTTP requests is a common requirement. Oct 24, 2016 · After hours of searching I found that there was an @Multipart annotation remains in API interface of my code from last example! which prevent to send binary data to the server and the solution in retrofit repository was OK! Nov 28, 2016 · 背景新项目的网络库已经由Volley切到了Retrofit，配合Rxjava + Dagger2 + CleanArchitecture ，有效的将项目解耦和，各个层次职责更清晰。依赖注入和注解、动态代理极大的简化了网络请求，开发更高效。 项目中经常会有上传文件的需求，特别是上传图片。上传图片通常有两种方式： bitmap通过Base64转为String Jan 7, 2022 · I am trying to send a multipart form with Kotlin in Android Studio: class MainActivity : AppCompatActivity(), AdapterView. 0, I am unable to upload and there is no proper documentation anywhere on uploading file using retrofit 2. Oct 22, 2018 · Not sure it is the issue, but as you are sending a Json with your image, have you tried using application/json or multipart/form-data instead of text/plain when creating the RequestBody description ? Dec 31, 2017 · Request to my server. Sep 1, 2025 · 文章浏览阅读9. This is useful when the user can dynamically select files. I am looking to upload multipart for data, including a file, with an HTTP post. We Nov 24, 2023 · When we want to send single data in a multipart request we can simply use Part, similarly a single file we use PartFile but when we want to send multiple data or multiple files or a combination of Retrofit takes care of all HTTP calls and data transmission between Android client applications and a remote server. while i am testing with postman, May 6, 2016 · I have set media type parse multipart/form-data and some other parameter I have set media type parse text/plain. Sep 26, 2024 · When building web applications, you’ll often need to handle form submissions, especially when dealing with file uploads or mixed data types. You typically use these requests for file uploads and for transferring data of several types in a single request (for example, a file along with a JSON object). I have problems to parse the response. Here is my code: Feb 16, 2017 · We've already shown you in a previous tutorial how to upload files and how to upload multiple files to a server. If not and you’re interested, follow the lead :) There’s another type available to send data to an API or server with your request: form-urlencoded. dev doc here For example: Hello everyone I want to post image and other data through Retrofit2. In this tutorial, we'll show you a way of uploading multiple files with one request without knowing how many files it'll be. Jun 11, 2014 · I would like to do a PUT request with this JSON body (containing a picture) and with Retrofit. In this tutorial, we'll show you a special case: uploading multiple files with one request. Or is t Can I use multipart requests for non-file data? Yes, multipart requests can be used to send non-file data as well. It offers features such as auto-configuration, embedded servers, and a wide range of tools and libraries for building various types of applications. 8k次。本文详细介绍使用OkHttp4发送FormData的多种方式，包括MultipartBody的使用、@Multipart与@Part结合以及@PartMap的运用，适用于键值对传输场景。 Nov 7, 2023 · In this post I describe how to read both JSON and binary data from a multipart/form-data request using two approaches - MultipartReader and IFormFile Dec 24, 2010 · multipart/form-data is one of the value of enctype attribute, which is used in form element that have a file upload. Spring Boot supports different database technologies and easy Jun 23, 2022 · Retrofit also supports uploading with encoded form data so Let’s say you upload something heavy and you want to cancel it. I am sending data with one image. It should be something that implements a retrofit. Nov 4, 2023 · Creates a RequestBody from the file with a "multipart/form-data" media type. Part part, @part MultipartBody. Form-encoded data is sent when @FormUrlEncoded is present on the method. That’s the upload part on Android side :) Remember the Content-Type Attention: keep an eye on the content type of the RestAdapter. Just construct the request body and add it to the function params Feb 8, 2019 · I am new to android . The library provides a powerful framework for authenticating and interacting with APIs and sending network requests with OkHttp. I know, that older version uses TypedFile class for uploading. Each part is expected to contain a content-disposition header [RFC 2183] where the disposition type is "form-data", and where the disposition contains an (additional) parameter of "name", where the value of that parameter is the original field name in the form. newBuilder() Feb 15, 2019 · Web Idea Solution provides expert solutions for Android MultiPart Image and Files Upload using Retrofit 2. Once the data is downloaded then it is Jul 17, 2019 · -----------------------------------com. I have to upload it using form-data Content-Type, but i am Nov 9, 2020 · Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges, Sep 13, 2023 · I am learning the use of Retrofit2 to make REST Api calls from Android app. This method is similar to sending a FormData object with broader browser support but limited to Jul 23, 2025 · Spring Boot is a widely used Java-based framework that simplifies the process of building enterprise applications by providing an opinionated and flexible approach to development. Jul 27, 2021 · We are currently using okhttp3 and retrofit2 in Android to make an network api call of type POST with multipart/form-data, the api request and response are as shown below If you observe, the request Refit is a library heavily inspired by Square’s Retrofit library, and it turns your REST API into a live interface: This builder is intended to POST multipart/form-data using the reactive WebClient. Request Body — Contains one or more parts (file 📚 A android library for get upload progress from request body using retrofit. We will build an implementation that uses a callback and then how to wrap it into a Kotlin Coroutines Flow. It abstracts away the low-level Sep 13, 2017 · Upload file via Multipart POST method in Kotlin This post will help you to upload your file as a client application, we use the HttpURLConnection so you can use this code in any application How to post multipart form data that includes unknown number of images with Retrofit 2? Asked 7 years, 7 months ago Modified 7 years, 2 months ago Viewed 959 times Upload Audio File with POST Multipart Form Data using Retrofit Preview6 hours ago Retrofit’s Role: Retrofit, being a type-safe HTTP client, provides a convenient and declarative way to define API endpoints that accept multipart/form-data. Jun 15, 2016 · I am trying to make POST request using the Retrofit 2. I am calling my API using POSTMAN and it returns code :200 but when i am calling it from my Application, it returns 503. 2'if you want to use gson Mar 16, 2016 · There are multiple ways to send data from your client to a server. This android studio tutorial also explains server side PHP code to upload image to server from our android app Apr 15, 2025 · Multipart Form Data with Retrofit refers to the process of using the Retrofit library in Android (primarily with Kotlin or Java) to construct and send HTTP requests with the multipart/form-data 9 hours ago WebApr 3, 2024 · Using these annotations and classes, Retrofit automatically packages the data to be sent in the appropriate multipart / form -data format and forwards it to the … Sep 8, 2019 · 14 Use MultipartRequest class A multipart/form-data request automatically sets the Content-Type header to multipart/form-data. Jun 13, 2016 · How to upload multipart image data in JSON with retrofit 2 in android? Asked 9 years, 5 months ago Modified 3 years, 1 month ago Viewed 13k times May 18, 2021 · Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges, Jan 1, 2021 · Following is the multipart request that i am performing using retrofit2. If the API you’re going to request accepts a simple JSON payload for processing, this approach is definitely worth a look. Jan 25, 2020 · In many mobile apps it is common to have a profile picture. Same code will work in non flutter environments […] Jan 25, 2020 · In many mobile apps it is common to have a profile picture. in addition, I should send with the Nov 2, 2015 · Make sure you’re not defining the header indicating you’re sending JSON data, but multipart/form-data. The retrofit version is like this: @post ("user/me/") @multipart Observable getProfile (@part MultipartBody. You can also use camera to take pictures and upload it to server using the same code. Apr 16, 2015 · u'photo': [<TemporaryUploadedFile: IMG_1759215522. This post continues the first article on how to use form-urlencoded requests with Retrofit to transmit data with your request. Constructs a MultipartBody. If you want to catch up with one of our plenty Retrofit topics, check the outline of Retrofit Aug 19, 2018 · We would like to show you a description here but the site won’t allow us. See this guide to understand how OkHttp works. It abstracts away the low-level Sep 13, 2017 · Upload file via Multipart POST method in Kotlin This post will help you to upload your file as a client application, we use the HttpURLConnection so you can use this code in any application How to post multipart form data that includes unknown number of images with Retrofit 2? Asked 7 years, 7 months ago Modified 7 years, 2 months ago Viewed 959 times Upload multiple file using Retrofit as multipartOnce you have setup the Retrofit environment in your project, you can use the following example that demonstrates how to upload multiple files using Retrofit: Dec 9, 2021 · Uploading Files With Retrofit First things first, let's see how you can upload a file to an API using Retrofit. Same code will work in non flutter environments […] Mar 28, 2022 · 8. Department. In this article, we will take a look at adding data to REST API in our Android App in Android Studio. Feb 2, 2020 · My blog is here for those who need more than that, and the first topic I'm going to cover is how to upload a file using a multi-part/form-data POST request. How to upload file and show uploading progress in percentage in multipart in retrofit. Part classes and encapsulate your file into a request body. Each part can contain any form of data, including text, JSON, or XML. 0. I h Nov 4, 2023 · Creates a RequestBody from the file with a "multipart/form-data" media type. Below is my code: MyAPI class : interface and retrofit instance @Multipart @ A Simple GET Request, Add logging to Retrofit2, Debugging with Stetho, A simple POST request with GSON, Upload multiple file using Retrofit as multipart, Download a file from Server using Retrofit2, Retrofit with OkHttp interceptor, Header and Body: an Authentication Example, Uploading a file via Multipart, Retrofit 2 Custom Xml Converter, Reading XML form URL with Retrofit 2 Java library for stream decoding multipart/form-data using constant memory and no disk I/O May 26, 2024 · This video explains how to upload image to server with Retrofit Multipart request. gson. annotations. In this post we will see how we can upload a image/file to remote server using dio library. This builder will build to make Multipart Body and can send by using body annotation in multipart body. TypedOutput as far as I understood for the documentation. In this blog post, we'll delve into multipart requests, explain why they are essential, and provide examples to help you understand their practical application Jul 23, 2025 · For reading data from API, we use GET request to read our data which is in JSON format. Jun 27, 2016 · We've already shown you in a tutorial how to upload files to a server. if not then first go to this. Aug 1, 2017 · Sending Multipart data using Retrofit Asked 8 years, 2 months ago Modified 8 years, 2 months ago Viewed 8k times Aug 11, 2023 · The @Multipart annotation is applied to the method to indicate that the request will contain multipart data. Luckily, it's super easy. google. retrofit2:retrofit:2. In this video I'll show you how you can upload an image to a remote server using multipart requests and Retrofit. example; import com. Sep 29, 2015 · This is in connection with #1063, I need a sample code uploading file as multipart/form-data, in Retrofit 2. Mar 5, 2019 · Android beginner here. You can find all of the code contained in this example in this GitHub repository. Apr 22, 2022 · Uploading an image using multipart in Kotlin. Get efficient and hassle-free solutions now!" Oct 2, 2019 · Sending multiple images or bitmaps with Retrofit2 to endpoint via @Post in Android I’m writing this post because I had trouble finding exactly what I needed and hoping it will help someone and Oct 9, 2021 · I'm working with the flutter Retrofit package, am trying to upload data to the server (Laravel). Next: Upload Files with Progress Updates If you upload files in the foreground and they are not small, you might want to inform the user on your actions. All the other info is storing but my image is not storing. Below are examples of using this builder: // Add form field Dec 30, 2021 · I encountered the problem of encapsulating the Media type multipart/form-data when writing a generic HTTP component. we have used multipart request for uploading image on server using retrofit. dart is a type conversion dio client generator using source_gen and inspired by Chopper and Retrofit. Jan 2, 2016 · I have used retrofit for other Multipart request that does not include image and they completed successfully. so I use form-data, but I couldn't get the same response with the same name and value, tested it on postman and it goes passed the same as my x-www-form. For example, these are the contents of one uploaded file: Jun 8, 2023 · 1、上传单个文件 1. For multipart requests with the RestTemplate, simply create and populate a MultiValueMap<String, HttpEntity> as shown in the Javadoc for FormHttpMessageConverter and in the reference docs. Part representing the file in a Mar 16, 2015 · TypedFile is a class from Retrofit representing a file with mime type. In any mobile application, communication with the server to fetch the data or send the data to the server via API is a basic need in Retrofit. . Learn about Multipart in Retrofit. The upload appears to work, but the file stored in the Azure blob container is corrupt because as well as the audio data it contains what appears to be HTTP headers. com/mail/ The data is a pdf file and a json object. I am having an issue with Multipart POST request. mime. How to upload file and send other FORM Data in retrofit. Oct 3, 2023 · Retrofit 2 — How to Upload Files to Server Using Retrofit 2, you need to use either OkHttp’s RequestBody or MultipartBody. I f Sep 24, 2024 · Description A multipart/form-data POST fails when an array property is included, even when it's correctly sent via Curl as follows: -F 'tags= ["One","Two","Three"];type=application/json' Example When using OpenAPI docs to upload a file vi Thanks for this example. The multipart/form-data encoding type becomes a Learn to implement Retrofit for multipart form uploads, including image and string array handling. See full list on github. If you don't feel ready for such an advanced topic yet, catch up with our extensive library of Retrofit topics: Multipart requests are often used for forms with an additional file. squareup. The problem is when I am trying to include a byte to the body. There’s a lot value within this Retrofit series and you may want to scan Sep 7, 2015 · How to upload a file using multipart/form-data upload in Retrofit 2. Jan 17, 2023 · To send files and data to an HTTP server we need to make Multipart request. while I could get pass response with x-www-form-urlencoded & hashmap, but I need to send it with the image. Retrofit With Kotlin Summary And that would be all for this article on Retrofit "multipart/form-data" contains a series of parts. I am only posting data not the files in Jan 6, 2022 · I am trying to send multipart form data to a server: https://example. What's reputation and how do I get it? Instead, you can save this post to reference later. So, <input type="file"> fields are sent also, similar to a usual form submission. Support multiple file upload ⬆. 0-beta2, there is no much documentation and examples anywhere on properly uploading a fil We are assuming you are already familiar with retrofit. Part part2); If I use multipart with Apr 26, 2023 · I'm upload file with other details in retrofit but in success response i got status 0 because of file is sent in bytearray. contact_number: 01234564789 contact_email: email@address. dart is an dio client generator using source_gen and inspired by Chopper and Retrofit. Jun 22, 2021 · Sending a form with a file The form is always sent as Content-Type: multipart/form-data, this encoding allows to send files. Retrofit uses OkHttp for Http requests, which in turn provides us with the Multipart support. Jul 4, 2016 · In this tutorial, we'll concentrate on the data that goes along with the request, for example description string (s). Builder constructs a multipart form-data request body, and the addFormDataPart () method adds the file part to the request with its name. jpg \ (multipart/form-data)>]}> How can convert the Article object in a multipart conform data type? I read that Retrofit might allow to use Converters for this. What is a Multi-Part POST Request Usually, the body of a POST request is made of textual key-value pairs. We use multipart/form-data as mime type and create a file from given path. 9. What i want is to somehow get a callback of the upload percentage. Dec 14, 2022 · i am new to the flutter and i am trying to upload single or multiple images from my Flutter Application using Retrofit via @MultiPart () . This library makes downloading JSON or 7 hours ago Mar 13, 2025 · How Does Multipart Work? When using Multipart in Retrofit, the request consists of: Headers — Defines the request type as multipart/form-data. But i cannot a find a suitable method for doing this. ⭐ Get certificates for your future job⭐ Save Feb 29, 2016 · @Multipart @POST("initiate") @Headers({ "Content-Type: application/json", "Cache-Control: no-cache" }) Call<UserInfoServerResponse> getUserInfoRequest(@Part(value="data") UserInfo mUserInfo); here UserInfo is the json but am getting fail message from server after that i used FormUrlEncoded methord Feb 7, 2019 · For uploading a file to a server, in Android, we can make use of Retrofit library. Ideally, you would display progress updates how much you've uploaded already. 4 days ago · retrofit. I am using com. OnItemSelectedListener { { . Feb 17, 2022 · In the past few years i’ve been heavily involved in building Android applications especially using Retrofit, the popular open source HTTP Client for Android and Java. And this library … Dec 12, 2022 · I'm using the retrofit package in order to generate HTTP requests within my app. basically, the file should be sent as MultiPart part annotation. 3. While working with Multipart request you need to adjust it depending on the server endpoint and requirements. Multipart Lastly, to send the data as a HTTP multipart request, we can use @Multipart on a function with @Part on each part send to the external REST API: @Multipart @POST("users") fun postUsersMultipart(@Part("something") partOne: RequestBody): Call<User> 9. Definition of multipart/form-data The media type multipart/form-data follows the multipart MIME data stream definition (which can be Upload Audio File with POST Multipart Form Data using Retrofit Preview6 hours ago Retrofit’s Role: Retrofit, being a type-safe HTTP client, provides a convenient and declarative way to define API endpoints that accept multipart/form-data. May 14, 2024 · FORM ENCODED AND MULTIPART: Methods can also be declared to send form-encoded and multipart data. Dec 30, 2016 · From Retrofit's homepage you just need to add the @Multipart annotation and use @RequestBody to send data. 0 in an Android App Creating a HTTP Multipart Request Well, you might be aware of Retrofit, which is a type-safe REST client for Android. request without header "content-type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW"" which described in API documentation. This Example Show's:- How to upload file to the server from android using multipart in retrofit. In OpenAPI 3, you describe a multipart request in the following way: Sep 5, 2019 · I need to implement a REST-Endpoint, that receives multipart/form-data I use: Spring Boot Kotlin Spring MVC A multipart form submit with the following parts: deployment-name ----- text/plain en Jan 1, 2024 · In this post, I will demonstrate how to use Refit library in ASP. 0 This is my request body. The key difference that I see is that Apache request has "filename" header for file content, so I wonder is it possible to set this header for TypedFile in multipart data? Or maybe I should use some other data type to achive this? 1 I am using Retrofit 2 to upload an audio file to an Azure blob storage service via Azure's REST APIs. I have to the best of my ability followed various examples but am not having Feb 15, 2017 · Is retrofit able to send multipart form data alongside nested json #2201 You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Numerous real-world examples illustrate how to deal with the Retrofit Form Encoded And Multipart In Single Request Examples issue. 1定义接口 @Multipart @POST ("uploadImgs") Call<HttpBaseResult<List<PicResultData>>> uploadSingleImg (@Part ("description") RequestBody Nov 7, 2023 · In this post I describe how to read both JSON and binary data from a multipart/form-data request using two approaches - MultipartReader and IFormFile Aug 2, 2020 · Sending multipart/form-data with Kotlin and Java 11 HttpClient While building up my own library for Telegram Bot API, I’ve run across the need to transmit files via multipart/form-data. refer pub. !!!! Today we are learning about Retrofit In Flutter. Upvoting indicates when questions and answers are useful. One of the most efficient ways to do this is through multipart requests. Easy and detailed examples included. following are the simple and easy steps for image uploading using retrofit:-step1:add required dependency in your module level gradle filefor using retrofitcompile 'com. When implementing your example I do receive errors from the remote server saying no file was provided. NET Core. You may already know how to send data within the request body or how to make use of multipart/form-data to upload files using Retrofit. - GitHub - Musfick/retrofit-kotlin-upload-progress: 📚 A android library for get upload progress from request body using retrofit. Jan 9, 2020 · Hi guys, I'm trying to port some code from retrofit2 to refit. com Apr 3, 2024 · Using these annotations and classes, Retrofit automatically packages the data to be sent in the appropriate multipart/form-data format and forwards it to the server. And yes it is possible to add image upload. With that comes the requirement to let the user select a picture and upload it to server. Jetpack… Mar 6, 2018 · but I don't know how to upload the image file, in above code I get exception: Bad state: Cannot set the body fields of a Request with content-type "multipart/form-data". 6 days ago · bool? withCredentials, String? responseType, Map <String, String>? requestHeaders, void onProgress ( ProgressEvent e )?, }) Makes a server POST request with the specified data encoded as form data. I want to upload multiple files to our servers. java----------------------------------- package com. upload multipart image and text using retrofit Retrofit form data image Jun 11, 2020 · 1 I was trying to send string and images with a retrofit. Does the final MIME boundary need an additional -- at the end? Currently I am using: Connector operation: Content type: multipart/form-data; boundary="simpleboundary" message shape Aug 31, 2023 · A multipart API in Flutter is an API that allows you to send files and data to a server using a multipart request. Jul 23, 2025 · The server then responds with a response message that contains the requested data, typically in the form of a JSON or XML document. Learn to implement Retrofit for multipart form uploads, including image and string array handling. "Android Retrofit 2 multipart image upload tutorial" Description: Step-by-step tutorial on implementing multipart image uploads using Retrofit 2 in Android. This is roughly the POST equivalent of getString. Multipart requests combine one or more sets of data into a single body, separated by boundaries. 0 @MultiPart Android #3033 Jan 22, 2015 · In this tutorial you'll learn how to define and send data within HTTP request body with Retrofit. Oct 30, 2021 · Upload an Image to Server via Retrofit 2. A multipart request is an HTTP request that is used to send different types of Learn to upload images and files to a server using Flutter with http and Dio plugins. txt Feb 25, 2020 · How to monitor progress during a file upload may not be immediately obvious, when using Retrofit and OkHttp. The request type is form-data NOT application/x-www-form-urlencoded. Most APIs will expect a multipart form to contain the file data. If you want to catch up with one of our plenty Retrofit topics, check our outline of posts: Retrofit Series Overview Oct 26, 2023 · To perform a multipart image upload in an Android app using Jetpack Compose and Retrofit, you’ll need to follow several steps. It’s a clean and efficient way to handle file uploads in real-world apps. This can be useful when you need to upload files, such as images or videos, along with other data, such as text or metadata. 0, I followed the docs I'm using Retrofit 2 to create a multipart form-data request which works ok and the Server responds 200. override fun onCreate(savedInstanceSta Apr 10, 2013 · Request sent by Apache http client was parsed by server as expected (I mean file was separated from POST data). The number of files is unknown (the list is dynamic). multi-part means form data divides into multiple parts and send to server. This article briefly introduces the definition, application and simple implementation of the media type multipart/form-data in the HTTP protocol. Expose Retrofit is a type-safe REST client for Android, Java and Kotlin developed by Square. This library makes downloading JSON or XML data from a web API fairly straightforward. com files[]: list of files, as binary I have file uploads working fine when I am only sending the files, as follows: @Multipart @POST("/exampleendpoint/{id}") Overview Retrofit is a type-safe REST client for Android, Java and Kotlin developed by Square. How exactly does one post raw whole JSON inside the body of a Retrofit request? See similar question here. Here’s an example with such form: This question may have been asked before but no it was not definitively answered. axheqm jfrn jnpi yroeczx kpha pzzcx mdazks bmqupo wytpj yyweugg igwjk umkjl hpngg vvtl lyuzfeex