Windows curl post json. JSON data is passed as a string.

Windows curl post json The word cURL stands for “Client for URL. The command line parameter -H "Content-Type: application/json" specifies the JSON content type. So, in either case you have to escape the inner double quotes. 1 WinSSL Release - Date: [unreleased] Protocols: dict file ftp ftps http https imap imaps pop3 pop3s smtp smtps telnet tftp Features: AsynchDNS IPv6 Largefile SSPI Kerberos SPNEGO NTLM SSL cURL POST Request guide. Feb 17, 2023 · curl post请求发送json数据两种方式（Window/Linux） 设置请求头Content-Type curl发送post请求，默认的content-type是：application/x-www-form-urlencoded。 Nov 20, 2025 · curl POST examples. They have some API documentation here, and they give this example on how to use CURL: Feb 1, 2024 · This allows you to send data from the specified file to the specified resource using the curl command. cURL is a versatile and widely used CLI that allows you to make HTTP requests. In this Curl POST with Basic Authentication header This makes curl POST data using the Content-Type multipart/form-data according to RFC 2388. Dec 29, 2016 · curl-users Re: Windows cURL JSON POST sysntax This message: [ Message body ] [ More options ] Related messages: [ Next message ] [ Previous message ] [ In reply to ] [ Next in thread ] [ Replies ] Nov 18, 2010 · How would I pass multiple values in the header for a curl request? Apr 25, 2024 · windows curl post，在Kubernetes（K8S）环境中，可能会遇到需要通过Windows系统的curl命令进行POST请求的情况。 本文将向你介绍如何在Windows系统中使用curl命令进行POST请求，帮助你快速实现这一操作。 May 3, 2024 · How do I pass authorization header using cURL? ( executable in /usr/bin/curl). Naturally, you might want to use cURL in your PowerShell scripts as well. This approach works best with RESTful HTTP APIs as found at Twitter, Facebook, various other web services including Ruby on Rails as well as HTTP APIs of Jan 21, 2019 · “I understand I can put the content after -d in a file to run this command” – quote cURL manual: “When --data is told to read from a file like that, carriage returns and newlines will be stripped out” … so you would not have them in there in that case either. For example, curl -L ip. PowerShell cURL cURL has been around since 1997 and is used to interact with web services, to send or retrieve data. The JSON content type is set using the -H "Content-Type: application/json" command line parameter. for instance, with headers and json body ) and then click in "generate code" and choose "curl" option. ba3a. For example, if you're sending JSON in the request body, you need to tell the web server to expect JSON content by setting the Content-Type header to application/json. This because the post has to have the referencenumber of the EMPLOYERREFEREBCEID in the URL for each post, but the post also needs to only have the section of data that belongs to that EMPLOYERREFEREBCEID in the JSON file. 55. The user's credentials are automatically converted by Curl to a Base64 encoded string and passed to the server with an Authorization: Basic [token] header. This is done by setting the Content-Type header with the appropriate MIME type. Dec 6, 2024 · Learn how to effectively send JSON data using curl, including command-line techniques and file-based approaches for API interactions. I am able to run GET and retrieve data from the API. GitHub Gist: instantly share code, notes, and snippets. Feb 1, 2024 · In this tutorial, we will go over how to add headers and parameters to your cURL requests to interact with HTTP-based services effectively. -d skips over the carriage returns and newlines so you need to use --data-binary if you rather intend them to be included in the May 16, 2025 · 本文要点概览这条命令采用了 HTTP POST 方法向指定 URL 发送 JSON 格式的数据，通过-u参数嵌入了 Basic Authorization 凭证，从而实现受保护的 API 访问；使用-H参数设置请求头的媒体类型；借助-d参数将 JSON 实体放在请求体中；_windows curl post Apr 15, 2025 · この記事では、コマンドプロンプト上で curl コマンドを用いてPOSTリクエストを実行する方法を解説します。 基本的な構文や主要なオプション、実際の使用例をわかりやすく説明するので、初めての方でも安心して取り組むことができます。 Apr 8, 2012 · How do I include special characters like @ and &amp; in the cURL POST data? I'm trying to pass a name and password like: curl -d name=john passwd=@31&amp;3*J https Jun 1, 2025 · Windows 上の curl で日本語 UTF-8 を含む JSON を POST する方法をいくつか試し、以下の方法でうまくいきました。 Git Bash でファイルを読み込む Git Bash で iconv で変換して標準入力から読み込む ワールドワイド言語サポー Nov 29, 2023 · For example, if you send JSON to a server, you must specify the content type of the data in the body of the POST message using the Content-Type header: application/json and application/xml for XML. The tool is commonly used in scripting or to automate tasks. Feb 14, 2020 · Unsupported Media Type Your action public async Task<IActionResult> Import(IFormFile file) expect IFormFile parameter, but you sepecified request header with Content-Type: application/json, which cuase this issue. Feb 18, 2014 · So, I'm trying to use a service called Postmark to send a formatted HTML email. I am trying to post a JSON d Feb 22, 2015 · @DanielA. Tried the following in CMD, PowerShell and WSL. phonegap. It gives you the equivalent command line. According to phonegap's forum, when running on a Windows machine, the JSON data has to be Daniel Stenberg introduced cURL (curl), a command-line tool that enables users to make network requests. Nov 16, 2022 · The API post I'm trying to do has to be a separate Post for each object (person) in the JSON datafile. Jul 24, 2014 · Can anyone advise on how to POST Json data from Powershell using cURL? Any pointers to why I get the error I mentioned in the Waht I've tried section would be much appreciated. Looks like Windows command line and PowerShell messes with curl and JSON post data. What is cURL? cURL (pronounced […] Sep 28, 2025 · 文章浏览阅读1. We provide a quick explanation of what POST request is. Master API testing and debugging with this step-by-step guide! For anyone referencing this question for an answer to 'how do I specify the file that contains the JSON', note that it's with the @ sign as given in the question e. Dec 12, 2020 · これならMacで打ってたコマンドのjsonペイロードをファイルに貼り付けるだけ。わけわからん配慮も不要です。 「Windowsでもcurl使えるの！？やったぜ！！」とぬか喜びして撃沈された方は、この方法をお試しあれ。 PowerShellは？ PowerShellは知らん！！！ Jul 15, 2014 · I'm trying to pass a JSON string from within a powershell script to the build. This makes curl POST data using the Content-Type multipart/form-data according to RFC 2388. It is one of the best tools you can find on the Jul 23, 2025 · Curl is a command-line tool for making web requests, often used directly from the terminal. cURL allows you to send HTTP requests to a server and receive responses back. One of the most powerful and flexible tools for this is cURL – a command-line utility for transferring data using various network protocols. 0 introduced the --json option as a new way to send JSON formatted data to HTTP servers using POST. This guide reveals how to effortlessly make web requests and retrieve data in your scripts. 3、因為windows預設是big5，所以post上去的資料會變成亂碼，導致錯誤，將json存成文字檔，如test. Raw curlinwindows curl -Method POST -Uri <url> -ContentType 'application/json' -Body ' {"content": "Whatever you want to put in here"}' -UseBasicParsing -UseBasicParsing Prints output directly to console and prevents the requirement for having to set up Internet Explorer in Windows 10 May 16, 2024 · Learn how to run cURL commands in Windows 11 CMD with practical examples for various networking tasks. I'm running into issues with the section where you write a handler to post an item. Since the -d data needs to be surrounded in double quotes, I cannot seem to get Feb 8, 2023 · 2023/02/08 萌芽站長 1,491 1 作業系統 , Windows 這邊教大家用 curl 在 Windows 終端機上發送 POST 請求，以測試 API 是否能正常回傳資訊。 Discover the magic of PowerShell Curl. Whether you‘re just getting started with web scraping or you‘re a seasoned developer looking to deepen your understanding, this guide has something for you. This guide walks you through the syntax, options, and best practices for sending data to a server, whether it’s a JSON payload or form data. In this comprehensive guide, we will walk through how to use cURL from PowerShell in Windows to test APIs, download files, submit forms, and more. 82. With Windows, this is a must Master the art of making API calls with PowerShell curl post. When you use it in Windows, you need to be careful about using double quotes, instead of single quotes, to enclose JSON data and escaping them within your data. Essentially, Curl prints the web response to the terminal. Jun 20, 2025 · Learn how to use PowerShell curl commands with our tutorial covering Invoke-WebRequest, Invoke-RestMethod, aliases, authentication, and real-world examples. This guide offers simple steps to execute post requests effortlessly. I think I am not running the curl function correctly in windows. Windows の curl コマンドで、JSON を送信する方法を書いていきます。 送信方法 -d オプションで JSON を指定して、括弧内の二重引用符を「\」でエスケープします。 Learn how to use cURL on Windows and PowerShell. Oct 30, 2020 · post a JSON file with curl. Jul 23, 2025 · One of the simplest way to post JSON data with cURL using the '-d' or '--data' flag followed by the JSON payload enclosed in single quotes. curl sends exactly the bytes you give it (except that when reading from a file. The HTTP POST method is used to send data to the remote server. json，再執行下列指令讀取文字檔 Jun 27, 2025 · A cURL POST refers to a POST request made using cURL. In this blog post, we will discuss how to use cURL to POST JSON data to a server. Curl supports over 25+ protocols, including HTTP and HTTPS, has built-in support for web forms, SSL, user authentication, and HTTP Cookies. Feb 10, 2023 · Learn how to use curl to make quick and easy REST API requests from the command line in this beginner-friendly guide. com api, using curl. Master API interactions with this simple command-line tool. But, Windows does some odd things in this regard because of its history of not supporting standards like UTF-8, but I'll let someone who knows the details respond. この記事では JSON 形式のパラメータを指定して curl で POST 時の注意点エスケープシーケンスについて紹介します。 Conclusion Using CURL to post JSON data on Windows may seem daunting at first, but with the right approach and formatting, you can execute requests effortlessly. Curl works on Linux, Mac, Windows. json" In this article, we have learnt how to send JSON data for POST requests in cURL. White That should be an answer. And this curl command is accessible on Linux, Mac, and Windows. Sep 26, 2025 · Learn how to handle and send JSON with cURL using files, inline data, environment variables, and jq. POST data is passed to Curl with the -d option. Download the newest version of Postman, make any http request configuration as you wish at user interface level (post, put, get. Mar 16, 2025 · This makes curl POST data using the Content-Type multipart/form-data according to RFC 2388. Sep 27, 2024 · Learn how to include multiline JSON data in your curl commands. Content-Type Header When you send POST requests, it’s important to set the Content-Type header using the -H option when necessary. call curl -X POST -H 'Content-type: application/json' --data ' {"text": "Pull requests:\n%linksText% has been deployed to %stagingServ I use Ubuntu and installed cURL on it. This guide shows curl POST examples and use cases. May 3, 2019 · 最近、Windows 環境における curl コマンドの質問を多く受けるので、現時点で私の知る限りの情報をまとめておきます。 Windows 用 curl コマンド インストール Download ページ から Windows 用の curl コマンドをダウンロードしてインストールします。 Mar 10, 2025 · Learn how to send POST requests using cURL with detailed examples, headers, and data payloads. A comprehensive guide for developers working with REST APIs. Jun 28, 2023 · はじめに GolangでAPIの作成をしている際にハンドラがきちんと動作するか確認しながら開発をしている際に、curlでjson形式のデータをPOSTする際にうまくリクエストできず、エンコードできなかったので解決法を残しておきます。 curlコマンドとは cURLとは Jun 12, 2023 · How do I POST JSON data with cURL As a software engineer, you may be familiar with cURL, a command-line tool for transferring data using various protocols. What is Curl? Curl is a popular command-line tool used by programmers and administrators that allows you to send requests to the server, submit web forms, and upload files. Dec 22, 2015 · Another option is just to use the Windows Subsystem for Linux (WSL), which lets you run Linux programs (including the default Ubuntu versions of bash and curl) directly on Windows, no VM or rebooting needed. Mar 23, 2023 · curl generally leaves data alone without doing any conversions. ” Developers choose cURL because it is available on the main operating systems, including Windows, Linux, and Mac. In this article, we provide a tutorial on cURL POST requests. g. Can anyone give me tips on my syntax I found a lot of examples on how to use simple POST commands in cURL, but I didn't find examples on how to send full HTTP POST commands, which contain: Headers (Basic Authentication) HTTP Params (s Mar 10, 2025 · Узнайте, как отправлять запросы POST с помощью cURL с подробными примерами, заголовками и полезными данными. Understanding cURL Syntax Before we add headers and parameters, let’s understand the basic syntax of cURL. Mar 30, 2023 · At first you said you were trying to make a GET request and then later a POST request - which once does the server actually accept? Jan 19, 2024 · To send JSON data to the server using Curl, you need to pass the Content-Type: application/json HTTP header with the -H command line argument and the JSON data with the -d (or --data) command line argument. What seems to be causing the error: Imagine something like this May 17, 2017 · I'm writing batch script which should send request with json. Jul 4, 2025 · Use the curl command to send POST requests to a web or application server. Dec 19, 2023 · To post JSON data using Curl, you need to set the Content-Type of your request to application/json and pass the JSON data with the -d command line parameter. May 6, 2020 · On windows cmd prompt, curl really wants the @ before the path to the file. Utilizing cURL for HTTP POST requests コマンドラインからHTTPのデータ送信をするのに便利な curl コマンド。 筆者は頻繁に利用するわりに、コマンドを記憶しておらず、いつもコピペに頼っているので、そんな自分のためにも、ここに利用方法をまとめておきたいと思います。 本項ではPOSTメソッドでデータを送信する方法をまとめ Jul 11, 2022 · curl 用于使用 HTTP、SFTP、SMTP、TELNET 等多种协议传输数据，本文将介绍如何使用 curl 的 POST 请求并发送 JSON 数据。 要使用 curl 发送能在服务器端正确解析的 JSON 数据，我们需要将带有 application/json 值的 Content-Type 请求头添加到请求中。 While the server might assume that the data is encoded in some special way, curl does not encode or change the data you tell it to send. If not pre-installed, we can use operating system’s package manager to install it easily. I want to test my Spring REST application with cURL. Apr 15, 2023 · curl will send form urlencoded by default, so for json the Content-Type header must be explicitly set This gist provides examples for using both formats, including how to use sample data files in either format with your curl requests. Also, how to solve the HTTP 405 error code. JSON data is passed as a string. Mar 12, 2024 · HTTP POST request method in the cURL command, users must set the Content-Type header as application/json using the cURL -H or --header. This comprehensive guide explores the intricacies of sending POST requests with cURL, from basic syntax to advanced authentication methods. Many receivers of POST data do not care about or check the Content-Type header. For SMTP and IMAP protocols, this composes a multipart mail message to transmit. My problem: Using the command line tool to curl my localhost server while sending some data along with my POST request is not working. Please try to specify the header to --header 'Content-Type: multipart/form-data', like below. json. Sep 14, 2024 · Windows 系统下使用 cURL 发送 JSON POST 请求遇到报错？本文详解 Windows 命令行解释器对引号的处理差异，并提供三种解决方案：使用文件、PowerShell 或单引号，助你轻松解决 cURL 报错，顺利发送请求。 Dec 11, 2023 · To send a POST request with basic authentication credentials with Curl, you need to use the --user "login: password" command-line option. For example, if you’re sending JSON data, you’ll want to let the server know that the data should be treated as JSON: curl -X POST -H 'Content-Type Mar 6, 2025 · Learn how to send JSON data using cURL with simple command examples. Jan 19, 2019 · On Windows, the key to send JSON data is double-quotes like this -d "{\"name\":\"Spring Forever\"}" cURL to POST a JSON data curl -X POST localhost:8080/books -H "Content-type:application/json" -d "{\"name\":\"Spring Forever\",\"author\":\"pivotal\"}" References cURL – Post JSON data to Spring REST web curl, json, windows Apr 26, 2025 · Using cURL to make a POST request with a JSON payload is a fundamental skill in web development and API testing. json -d @testplace. Dec 28, 2023 · This article explains how to use curl to make POST requests. Oct 28, 2018 · curlのバージョンを確認する curl -Vでcurlのバージョンを確認できます。 > curl -V curl 7. Just trying to do the tutorial on the Go webpage, building a RESTful API. This guide provides practical steps to effectively use complex JSON structures within curl requests. Such as if you POST JSON to a server and want to more accurately tell the server about what the content is: Curl Post JSON Curl is nothing but a command-line tool that supports users to make network requests. Jan 5, 2023 · How to send valid HTTP POST requests with JSON data payloads using the curl command and how to avoid common syntax pitfalls. . 6w次，点赞17次，收藏17次。本文介绍如何在Windows环境下正确使用curl命令行工具发送包含JSON格式数据的POST请求。针对从Linux移植到Windows过程中遇到的字符转义及引号使用问题进行了详细说明。 Apr 30, 2022 · PowerShellはjsonへの変換コマンドもあるため、上のように直接jsonを書かなくてもできたりする。 まとめ 今回のcurlのエスケープ問題に直面したときにエラーを調べると出てくる情報として「PowerShellのcurlはInvoke-WebRequestコマンドのエイリアス」という情報が出てきたため、「WindowsとMacのcurlは違う Sep 17, 2008 · @tom-wijsman explanation: curl -X POST implies an HTTP POST request, the -d parameter (long version: --data) tells curl that what follows will be POST parameters, and @filename designates the contents of the file filename as parameter. The simplest form of a cURL command is: curl [options] [URL] Feb 2, 2022 · OR $ curl -H "Content-Type: application/json" --request POST -data "@product. cURL is a powerful command line tool that allows you to make HTTP requests and transfer data from various protocols like FTP, SFTP, and more. I wrote my POST code at the Java side. 本文详细介绍了使用 cURL 命令模拟 JSON 格式的 POST 请求的关键步骤：指定请求方法为 POST，设置请求头 Content-Type 为 application Nov 21, 2023 · Powershell (the other popular Windows shell) you can use single quotes for the argument but it's deceiving because when it passes the argument to a Windows executable (like curl) it will convert them to double quotes. 1 (Windows) libcurl /7. I just can't add. $ curl -vX POST http://server/api/v1/places. When making a POST request with cURL, you're sending data to a server or an API. Understand differences between cURL and Invoke-WebRequest, remove aliases, and see common command examples with JSON and POST requests. However, I want to test it with cURL. JSON curl 7. If that header is not good enough for you, you should, of course, replace that and instead provide the correct one. tech fetches IP address details in JSON format, just like visiting the site in a browser. Aug 13, 2024 · Learn how to efficiently make POST requests using cURL. I don't want to URL encode the double quote. Jul 31, 2025 · Given that cURL is a standard command-line tool for API testing, the question arises: How can one send JSON data using a cURL command? This article guides you through the process of POSTing JSON data using the cURL command. Sending a cURL POST Request All cURL usage follows the same structure—invoking cURL itself, setting the request options, the URL, followed by additional options such as headers. Aug 22, 2014 · I'm not sure if this is possible, but i am trying to curl a post, but with a json as the parameters, like such: Oct 7, 2019 · How can I send a double quote char using curl. exe in the -d parameter. In this example, we send the request body to the ReqBin echo URL using Curl. This guide provides a basic understanding and a practical example to get you started. This method sends the data in the request and is suitable for most use cases. You can also put the json in a file and then tell curl to read the contents and send it as json: Dec 10, 2008 · There is a good way to learn how to use curl for http requests by examples. In this comprehensive guide, we‘ll dive deep into everything you need to know to Apr 16, 2024 · In this ultimate guide, I‘ll share my knowledge on how to effectively use cURL to POST JSON data, as well as insights I‘ve gained over the years on API design, performance, and best practices. Oct 31, 2024 · On Windows, it’s better to use the Command Prompt instead of Powershell as the latter requires different formatting than displayed in the rest of this article. This Curl command tool is used mainly to create a request for a JSON post by the developers in the spring boot application. Real examples for Slack & Google Translate Sep 9, 2025 · Master cURL POST requests with clear examples for JSON, forms, files, headers, and authentication + tips for testing and debugging APIs fast. Post Progress with Curl:- JSON data will be posted with the Curl command tool and for this, we are using Nov 14, 2024 · In this article, I will explain how you can use cURL in PowerShell, and give you some examples. 両者を比較してみると、Windowsのcurlで送信したパケットはJSONが「Line-based text data」となっているのに対して、Linuxのcurlで送信したパケットでは「JavaScript Object Notation」として格納されています。 If you‘re working with web APIs or doing any kind of data scraping and crawling, chances are you‘ve needed to send JSON data to a server using an HTTP POST request. In this article, we will learn how to make REST API requests using Curl. To do that, use the -H Jan 11, 2024 · Learn how to send data from files using cURL with the --data and --form options. Click Run to execute Curl POST Body example online and see results. Dec 3, 2023 · If you want to post JSON data with Curl, you need to set the Content-Type to application/json and use the -d parameter to pass JSON to Curl. I am currently receiving a 400 Bad request. Hey all, New to Go. Apr 19, 2016 · @MichaelKjörling Thanks, flagged it. Освойте взаимодействие с API с помощью этого простого инструмента командной строки. Nov 15, 2024 · According to recent statistics, JSON has emerged as the preferred format for over 70% of web APIs, making it crucial to understand how to effectively use cURL for POST operations. Though, I think curl request has certainly something to do with server administration. Jan 31, 2023 · Occasionally I want to POST human formatted JSON with curl, here's how to do that without using shell hacks or temp files. This option works as a shortcut and provides a single option that replaces these three: May 17, 2025 · curlコマンドを使ってJSONデータをPOSTする方法を解説します。LinuxとWindowsそれぞれのコマンドを紹介します。基本的な使い方から外部ファイルの読み込み、HTTPヘッダーなどのレスポンス確認やエラー対処法まで、現場で活用できる情報を提供します。 When you make a POST request, define the content type in the request body to ensure the server correctly interprets the data. yms dqtp anayfd fbni merjm nlhlg diftr btlsx ahbk hfaue rhawyy rce xxbroc utio ahjbdz