Curl get request with body. Request method Every HTTP request contains a "method .

Curl get request with body It turns out the reason is the MTU size gap between VM interface and host interface. We'll look at these two parts of the HTTP response data. This is especially useful when writing more complicated requests. This guide provides a straightforward method to capture all necessary information efficiently. Download the newest version of Postman, make any http request configuration as you wish at user interface level (post, put, get. Nov 26, 2024 · A GET request with cURL is the simplest way to get data from a server. This blog demystifies why raw body data might appear To send a POST body that starts with a @ symbol, to avoid that curl tries to load that as a filename, use --data-raw instead. Apr 26, 2025 · The command-line tool curl is widely used for transferring data with URLs, especially in the realms of web development, testing, and automation. com). Real examples for Slack & Google Translate Apr 16, 2020 · Some APIs require GET requests with request bodies. cURL is a powerful tool for making network requests, and understanding how to use it can be a great addition to your developer toolkit. Nov 29, 2023 · To send data to the server in the POST request body, you must pass the required data to Curl using the -d or --data command line switch and specify the data content type using the -H command line switch. Understanding how to effectively use curl to return both the HTTP status code and the response body is crucial for diagnosing issues, automating tests, and interacting with APIs. Dec 10, 2008 · There is a good way to learn how to use curl for http requests by examples. A complete step-by-step guide for beginners and developers Dec 7, 2017 · This option allows curl to proceed and operate even for server connections otherwise considered insecure. Otherwise, perhaps curl doesn't like the certificate for some reason. A line starting with '>' means "header data" sent by curl, '<' means "header data" received by curl that is hidden in normal cases, and a line starting with '*' means additional info provided by curl. In other words, it's not forbidden, but it's undefined behavior and should be avoided. Learn about its limitations and alternatives for viewing full HTTP requests. joind. Feb 2, 2023 · Making a POST Request To make a POST request using cURL, you need to set the request method to POST using curl_setopt() and then pass the data to be posted in the request body. We’ll break it down into simple steps with examples of typical scenarios like passing parameters, headers, and JSON responses. Jun 11, 2009 · If what you're after is a safe and idempotent method that allows request bodies, you may want to look at SEARCH, PROPFIND and REPORT. 4 Jun 29, 2017 · cURL GET request with body in Java Asked 8 years, 5 months ago Modified 8 years, 5 months ago Viewed 5k times How to get JSON with cURL? You can use the cURL command-line tool to make HTTP requests and retrieve JSON data from a URL. Mar 28, 2021 · (curl -o- and curl -o - act the same. for instance, with headers and json body ) and then click in "generate code" and choose "curl" option. -o: This option write output into a file. csv' Alternative solution: You can use the POSTMAN app from Chrome Store to get the equivalent cURL request. Essentially, Curl prints the web response to the terminal. An HTTP request contains a method, a path, HTTP version and a set of request headers. Jul 23, 2025 · Curl is a command-line tool for making web requests, often used directly from the terminal. I'm using curl at the command line on Linux to issue HTTP requests. GitHub Gist: instantly share code, notes, and snippets. Find out how to retrieve JSON data and the main request arguments. Jul 23, 2025 · Syntax: curl [options] [URL] Options in the CURL tool: -X: This option specifies the HTTP method (GET, POST,PUT,DELETE etc). May 17, 2025 · Previously it worked but since I rarely test this server, I don't know what changed. CURLOPT_VERBOSE should actually show the details. Example: You can get JSON with cURL by sending a GET request with the -H "Accept: application/json" option. HTTP clients, servers and proxies are free to drop the body and this would not go against the standard. In both these examples above, the field name is not URL encoded but is passed on as-is. The HTTP server responds with a status line (indicating if things went well), response headers and most often also a response body. Discover step-by-step instructions, real-world examples, and expert tips to seamlessly fetch data from APIs and websites. This tells cURL to send a HEAD request, which asks the server to respond with headers only no body content. When it wants to get data or send data. Simply put, the cURL GET request method is the cornerstone of web scraping and data I use curl to get http headers to find http status code and also return response. Its simplicity and wide range of capabilities make it a go-to solution for developers, data analysts, and businesses alike. com) and it runs well for other domains (like google. A GET request with parameters allows you to send additional data to the server within the URL of your request. Nov 20, 2016 · Unlike the curl command line utility Invoke-WebRequest returns an object with various properties of which the content of the requested document is just one. While this guide focused on POST requests, keep in mind that cURL can make many other types of requests, such as GET, PUT, DELETE, and more. I was looking into how to do that today and struggling with Google. If you need to inspect the request body, CURLOPT_VERBOSE should give that to you but I'm not totally sure. A libcurl-using application can tweak all those fields. This article delves Apr 26, 2025 · How to Post Raw Body Data With cURL: A Comprehensive Guide with Examples. It gives you the equivalent command line. Sep 20, 2019 · cURL - how to send HTTP Request message body with GET? Asked 6 years, 2 months ago Modified 6 years, 2 months ago Viewed 1k times Compared to GET, POST requests are typically not cached, and the data isn’t shown in your browser history since the request data is in the body of the request. The response bodies are printed to standard out, which is fine, but I can't see from the man page how to get curl to print the Sep 17, 2008 · The cURL tutorial on HTTP Scripting is also helpful for emulating a web browser. The most common HTTP request is probably the GET request which asks the server to return a specific resource, and this request does not contain a body. , JSON, XML, or plain text) to a server. In any case, a good network sniffer should give you all the details transparently. It's absolutely a bad Jan 24, 2018 · I am using cURL command line utility to send HTTP POST to a web service. Any HTTP request message is allowed to contain a message body. Perhaps you could force it with the curl parameter --cacert file or --cert. Example: Nov 25, 2025 · When working with APIs, testing, or integrating services, `curl` is a go-to tool for sending HTTP requests. Enhance your data retrieval skills today! Dec 8, 2012 · curl -X POST "YOUR_URI" -F 'file=@/file-path. This option has no file loading capability: May 27, 2020 · In this article, we're going to discuss how to use Curl to interact with RESTful APIs. If you're looking for the response body content, you can also use CURLOPT_RETURNTRANSFER, curl_exec() will then return the response body. In this article, we will learn how to make REST API requests using Curl. Sep 26, 2025 · Complete intro to how to use curl get requests with curl headers, curl authentication. In this guide, Nov 25, 2025 · GET requests with cURL are frequently used when scraping or accessing data online. Curl is a command-line utility for transferring data from or to a remote server. se Jul 14, 2023 · HTTP GET requests cannot send data to the server in the body of a GET message or change the server's state. curl prints header as well as body as two separate JSON documents. Jun 9, 2023 · Read this article to learn sending simple cURL GET requests or with parameters effortlessly. Response body The response body is passed to the write callback and the response headers to the header callback. Apr 26, 2010 · Is there a way to install cURL in windows in order to run cURL commands from the command prompt? Jul 28, 2023 · curl: (35) schannel: next InitializeSecurityContext failed - The revocation function was unable to check revocation for the certificate Ask Question Asked 2 years, 4 months ago Modified 3 months ago I'm using curl at the command line on Linux to issue HTTP requests. A common task is posting **raw body data** (e. How to use curl to retrieve any page and handle URL params Apr 26, 2025 · In this guide, we covered how to use cURL to post a request body. I get the http headers with the command May 24, 2016 · -v is for verbose and so you get told all the information you could possibly want. You can get the content in a single statement by expanding the property like this:. The server connection is verified by making sure the server's certificate contains the right name and verifies successfully using the cert store. ) Explicitly sending the output to stdout seems a bit redundant, since that's the default anyway. Feb 7, 2025 · Interacting with web services and APIs is a vital skill for developers, system administrators, and anyone who needs to retrieve data from the internet. For example, curl -L ip. Then, you can merge headers and body using jq. Nov 13, 2024 · Learn how to retrieve both headers and body content in a single PHP cURL request. All transfers involving HTTP start with an HTTP request. cURL Command to post raw data to remote api. in/ HTTP/1. The test-server (URL see comment, to be deleted later to avoid bots) uses a certificate that goes via Let's Encr Sep 27, 2022 · The curl command inside WSL2 hangs for some domains (like youtube. Jul 31, 2025 · How to Send GET Requests with cURL CURL is a command-line tool that allows making HTTP requests to test APIs and supports a wide range of options and protocols. -H: This option adds the customer Headers to the request. g. Request method Every HTTP request contains a "method Sep 26, 2025 · Learn how to handle and send JSON with cURL using files, inline data, environment variables, and jq. Here’s a basic example of how to use cURL to get JSON data: Let’s break down this cURL command: curl: The cURL command itself. The following are examples of sending a GET request to Curl: Jan 30, 2019 · Useful for debugging and seeing what's going on "under the hood". Is there any way to get both headers and body for a cURL request using PHP? I found that this option: Requests An HTTP request is what curl sends to the server when it tells the server what to do. ba3a. Let’s assume for now that the response header is shown in JSON. However, usually, I only want to know the response’s headers and body. However, when using Postman's raw body mode, Postman sends Content-Type: text/plain in the request header. For the request with other formats or for different clients like java, PHP, you can check out POSTMAN/comment below. Virtually all libcurl-using applications need Jul 22, 2025 · How to Get Headers Only with cURL The simplest way to view HTTP response headers using cURL is by using the -I flag (also written as --head). If you want to URL encode the field name as well, like if you want to pass on a field name called user name, you can ask curl to encode the entire string by prefixing it with an equals sign (that does not get sent): Dec 3, 2023 · To post data on the body of a request message using Curl, you must use the -d or --data command line parameter. How to Send a POST Request with curl Before you begin this tutorial, you need to install curl on your computer. Jan 2, 2024 · How to Send a cURL GET Request Tired of gathering data inefficiently? Well, have you tried cURL? It’s a powerful and versatile command-line tool for transferring data with URLs. Dec 6, 2022 · The link I gave was for curl, so it's supposed to work. Jan 12, 2020 · A payload within a GET request message has no defined semantics; sending a payload body on a GET request might cause some existing implementations to reject the request. . But you can still pass data to the server in URL parameters. I want to include a file's contents as the body entity of the POST. cURL provides two powerful options, -d and -G, to facilitate this. The request contains a method (like GET, POST, HEAD etc), a number of request headers and sometimes a request body. Nov 22, 2025 · Learn how to send GET requests with cURL using simple commands, flags, and real examples. An HTTP response is a set of metadata and a response body, where the body can occasionally be zero bytes and thus nonexistent. Jan 30, 2019 · `curl -v` displays HTTP headers but not the complete request body. 6. 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 Apr 29, 2016 · From the RFC: A payload within a GET request message has no defined semantics; sending a payload body on a GET request might cause some existing implementations to reject the request. However, developers often encounter a frustrating issue: the server receives an empty request body despite seemingly correct `curl` commands. Responses Every HTTP request includes an HTTP response. Jun 19, 2021 · Unfortunately, the response header cannot be obtained in JSON but curl can print the response header on standard output together with the body when --include is supplied. " Everything you need to know. Here’s how you can make a basic GET request: Dec 14, 2011 · "By default you use curl without explicitly saying which request method to use. Whether you’re working with APIs, automating downloads, or interacting with web services, mastering cURL is an essential skill for modern developers and systems administrators. In this section, we'll see how to use cURL to send GET requests. If you just pass in a HTTP URL like curl example. An HTTP response however always has response headers. When curl follows a redirect and if the request is a POST, it sends the following request with a GET if the HTTP response was 301, 302, or 303. The Content-Type header is required for the server to correctly interpret and process the data in the body of the POST message. Run the following command to check if curl is installed: Jan 18, 2025 · Unlock the power of cURL for efficient GET requests. If you use -d or -F curl will use POST, -I will cause a HEAD and -T will make it a PUT. 1 200 OK Date: Sun, 15 May 2016 11:10:24 GMT Server: Apache X-Powered-By: PHP/5. An HTTP request sent by a client starts with a request line, followed by headers and then optionally a body. Jan 8, 2025 · This post will walk you through sending GET requests with cURL. Enter the -i switch! $ curl -i -H "Accept: application/json" https://api. Eventually I found this answer on StackOverflow. Of course not using GET and having a request body defeats caching more or less. The response bodies are printed to standard out, which is fine, but I can't see from the man page how to get curl to print the HTTP status code from the response (404, 403 etc). -d: This option sends data in the request body using the POST requests. -O: Downloads the file and uses the remote file name. tech fetches IP address details in JSON format, just like visiting the site in a browser. The Content-Type header specifies the data type in the message body. One of the most versatile and powerful tools for this purpose is cURL. If the response code was any other 3xx code, curl resends the following request using the same unmodified method. It is never useful for GET because of GET semantics - contents of request body, if any, shouldn't change response. With libcurl, use the curl_formadd() function to build your form before submitting it in the usual way. I have tried using -d </path/to/filename> as wel Feb 1, 2024 · That concludes our guide on using cURL to add headers and parameters when making HTTP requests. Read this article to learn sending simple cURL GET requests or with parameters effortlessly. cURL defaults to GET so you don’t need to specify it. Read on to find out how to send cURL GET requests. However, the man page does mention using multiple -o options for multiple URLs to download, so it might be more useful in that context. May 3, 2024 · How do I pass authorization header using cURL? ( executable in /usr/bin/curl). See full list on curl. So to achieve the same thing as Postman, specify -H "Content-Type: text/plain" for curl: Example libcurl GET request. com it will use GET. Jun 7, 2024 · After sending a GET request with cURL, the server responds with content, including status code and content (response body).