Curl post and get response. When I use this command: curl -I http://uploadserver.

Curl post and get response Save and share HTTP requests online and collaborate with colleagues. I am trying to post a JSON d Apr 26, 2025 · Content-Type: text/html; charset=UTF-8 Wrap Up cURL is a command line utility that is helpful for multiple tasks. I get the http headers with the command Apr 25, 2012 · The following is the response received: < HTTP/1. Oct 25, 2023 · Learn how to make a POST request using cURL, a command-line tool for transferring data using various protocols. Other information like headers, methods, etc. Can anyone guide me what mistake am I doing? Jun 29, 2011 · I want to have a standalone PHP class where I want to have a function which calls an API through cURL and gets the response. Dec 18, 2019 · The script parses these args and makes a curl post request after validation. The Content-Type header specifies the data type in the message body. When I do it using PHP no result is shown. js. By understanding how to use GET and POST with CURL, we can develop applications and debug APIs more efficiently. It works: Apr 8, 2012 · One can request only the headers using HTTP HEAD, as option -I in curl(1). Sep 9, 2025 · Tired of guessing why your API calls keep failing? A cURL POST request is the fastest way to test endpoints and send data straight away from your command line. NET on Windows that provides a web service. It supports various types of protocols. I tried it from command line and no result showed up. Jun 27, 2025 · A cURL POST refers to a POST request made using cURL. To be able to automatically extract information from the web, to fake users, to post or upload data to web servers are all important tasks today. tech/users to create a new user. This option works as a shortcut and provides a single option that replaces these three: Aug 30, 2024 · In this blog post, we'll explore how to use cURL in PHP to send HTTP requests using various methods like GET, POST, PUT, DELETE, and more. POST requests are used to send data to a server to create or update resources. curl sends exactly the bytes you give it (except that when reading from a file. sh. In this article, we provide a tutorial on cURL POST requests. This guide details the simple steps with typical scenarios like passing parameters, headers, and JSON responses. However, I want to test it with cURL. This article delves into the methods and benefits of retrieving HTTP status codes alongside responses using curl. This article will show you how to use cURL options, syntax, and examples to send data to a server. By setting the value to /dev/null, the output is discarded. If the response code was any other 3xx code, curl resends the following request using the same unmodified method. php page is in the same directory. I try to indicate the path both '/test. mp4 I want to just get 200 rather than this long result: HTTP/1. 1 200 OK Se Sep 27, 2016 · If I have a URL I'm trying to post some JSON data to, I understand how to do this using the CURL PHP method. HEAD requests If you want to check if a resource is serviceable, what kind of headers it provides and other useful meta-information written in response headers, without having to transport the entire content, you can make a HEAD request. So I had to make a POST call and extract the response code, here was my end result: -o this will extract the response body and put it into a file. The CONNECT is also an HTTP request so it gets response codes in the same numeric range and you can use --write-out to extract that code as well. I want to test my Spring REST application with cURL. When I use this command: curl -I http://uploadserver. curl is a command line tool for doing all sorts of URL manipulations and transfers, but this particular document focuses on how to use it when doing HTTP requests for fun and profit. Learn more. pdf' but it returned null value. I have a server application written in ASP. are not relevant for my use case and Nov 26, 2017 · HTTP is based on "state". Sometime we need to work with web services and APIs of third party website, at that time we need to use php curl for get request, post request, delete request, put request ect. PHP, a versatile server-side scripting language, provides various approaches to accomplish this task. how do I get that response in my php and use it to take different actions within the PHP accordingly? 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. Apr 18, 2024 · Learn how to send and handle POST requests with cURL, including setting the request method and including data in the request body. $ curl -I / Lengthy HTML response bodies are a pain to get in command-line, so I'd like to get only the header as feedbac data. 1 < * Connection #0 to host localhost left intact * Closing connection #0 So my question is; how do I post using curl and print out the response content body? Oct 22, 2021 · Is it possible to use curl to call a REST service (POST method) and get: The HTTP status code. Jun 20, 2025 · Learn how to use PowerShell curl commands with our tutorial covering Invoke-WebRequest, Invoke-RestMethod, aliases, authentication, and real-world examples. Dec 10, 2022 · To make other types of HTTP requests, such as POST, PUT, and DELETE, you can use the CURLOPT_CUSTOMREQUEST option with the curl_easy_setopt() function to set the request method. GET requests include parameters in the URL query string and should not modify server state. 1 200 OK < Content-Length: 3 < Content-Type: text/html; charset=UTF-8 < Server: TornadoServer/2. A libcurl-using application can tweak all those fields. GET requests are designed to retrieve data from a server. To be able to automatically extract information from the web, to fake users, to post or upload data to web servers are all important tasks Since there can be an HTTP request and a separate CONNECT request in the same curl transfer, we often separate the CONNECT response (from the proxy) from the remote server's HTTP response. We provide a quick explanation of what POST request is. JSON curl 7. Then I tried the verbose mode in curl and it giv Can anyone show me how to do a PHP cURL with an HTTP POST? I want to send data like this: username=user1, password=passuser1, gender=1 To www. 0 introduced the --json option as a new way to send JSON formatted data to HTTP servers using POST. I use Ubuntu and installed cURL on it. Curl automatically selects the HTTP GET request method unless you use the -X, --request, or -d command-line option. cURL Options The HTTP POST method is used to send data to the remote server. One thing at a time. The response body. Nov 20, 2025 · the json format requires a bunch of extra quoting 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. Most of the use cases of the curl command are posting JSON data to a server endpoint. Requests An HTTP request is what curl sends to the server when it tells the server what to do. Jul 23, 2025 · In this article, we will learn how to make REST API requests using Curl. HTTP Methods GET POST PUT HEAD DELETE PATCH OPTIONS CONNECT TRACE The two most common HTTP methods are: GET and POST. Covering installation on various Linux distributions, the article delves deep into basics and advanced uses, including GET and POST requests, handling API responses with tools like `jq`, and security practices. ba3a. Dec 3, 2023 · Posting a request body using Curl To post data on the body of a request message using Curl, you must use the -d or --data command line parameter. Jan 10, 2018 · Learn how to make PHP API calls using cURL! Everything you need to know about making correct cURL GET, POST, PUT, and DELETE requests in PHP. That's just how it works. We’ll break it down into simple steps with examples of typical scenarios like passing parameters, headers, and JSON responses. It supports many protocols Jul 23, 2025 · In web development, sending POST requests is a common practice for interacting with servers and exchanging data. ln/1. All transfers involving HTTP start with an HTTP request. This post will walk you through sending GET requests with cURL. But it didn't work for me. Sep 27, 2016 · If I have a URL I'm trying to post some JSON data to, I understand how to do this using the CURL PHP method. Apr 26, 2025 · 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. Feb 24, 2025 · So, let's get straight to it—how can you efficiently pull HTTP response headers using cURL? Here’s your roadmap to mastering cURL’s HTTP header display, whether you're debugging, automating tasks, or trying to optimize your web scraping workflow. This article explains how to use curl to make POST requests. 82. Oct 25, 2023 · Learn how to use the curl command-line tool to get the HTTP status code of a web page, along with other useful information such as headers, response body, and redirections. Request method Every HTTP request contains a "method Jul 1, 2018 · I want to just get a statusCode from CURL command response. Dec 31, 2024 · CURL is a very useful tool for interacting with servers over HTTP. Learn to use `curl` in bash scripts for API calls with this comprehensive guide on LinuxBash. I just wanted to run the same code via PHP but I still don't know how to do it. But it returns no output. . pdf' and 'test. This tutorial helped you to get the request header and response header values using the curl command line. Dec 3, 2014 · As mentioned, I will be using curl to simulate HEAD, GET, POST, PUT and DELETE request calls against a REST API. This will help demonstrate how to make REST API requests using cURL. Mar 18, 2024 · Learn how to connect to a site using cURL and retrieve the HTTP response status. Perform POST, GET, PUT, and HEAD requests, view HTTP headers and the content of server responses. Oct 30, 2024 · Learn how to send HTTP POST requests in PHP using cURL with this comprehensive guide and code examples. Jul 14, 2023 · To make a GET request using Curl, run the curl command followed by the target URL. They provide this service for free. In this example, we use curl to send a POST request to the endpoint https://crud. example. We can also use curl to request a server for the details. Basically I want to set a "GET" request to a remote REST service which gives me json data as a response via curl. How can I call the web service in Linux with cURL? 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). Jan 8, 2025 · Whether you need to fetch data from a public website or interact with an API, cURL is the solution. Mar 26, 2025 · Learn how to test HTTP GET, POST, PUT, and DELETE using curl I am using curl in a bash script to fetch the response of a service as below, May 8, 2018 · I have endpoint which returns JSON (response body). Can someone help me in this? Thanks. Curl POST Request Example 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. I'd just like to do a simple HTTP POST and get the response without the use of curl (the libraries are not and will not be installed on the machine this needs to run). Jan 8, 2025 · Explore how to send GET requests with cURL. I need get by curl the response body and process it (for example using jq). com/moo. Sep 6, 2008 · From what I can gather, there are three categories: Never use GET and use POST Never use POST and use GET It doesn't matter which one you use. They are idempotent, meaning multiple identical requests should have the same effect as a single request. 1 day ago · ReqBin is a complete solution for sending online HTTP requests directly from the browser and checking server responses. May 27, 2020 · Here is an example of making a GET request to the JSONPlaceholder API to a JSON representation of all posts: The following command makes a POST request using the data specified with the -d option: For more information about curl, visit the Curl Documentation page. The increasing amount of applications moving to the web has made "HTTP Scripting" more frequently requested and wanted. When making a POST request with cURL, you're sending data to a server or an API. My goal was to create a script to make sure my accesstoken endpoint was working. This guide shows you how to handle this. The general form of the curl command for making a POST request is as follows: I'm sending a simple curl request to pinterest. When I try to run the code I shared first from shell it worked. com I expect the cURL to return a response like cURL POST Request guide. Apr 17, 2025 · To check the HTTP response code after running a curl command, you can use the -w option with curl, which allows you to specify a custom output format. The Post request is handled by our internal Java Service. Ideal for system administrators and developers aiming to automate API interactions. Am I correct in assuming those three cases? If so, wha Sep 9, 2025 · Master cURL POST requests with clear examples for JSON, forms, files, headers, and authentication + tips for testing and debugging APIs fast. I wrote my POST code at the Java side. Dec 28, 2023 · System administrators, developers, and other users use curl to test APIs , view response headers, and make HTTP requests. Jul 23, 2025 · One can send the post data using curl (Client for URLs), a command line tool, and a library for transferring data with URLs. What I want is my batch file should be able to fetch the Response Code (200/409 etc. The server will use this header to interpret and process the received data. CURL cURL stands for ( Client for URLs) and is a command line tool and library for transferring data with URLs. I hope you have The Art Of Scripting HTTP Requests Using curl Background This document assumes that you are familiar with HTML and general networking. You make a request or post and get back a response. Jan 3, 2020 · Thank you for your support. What is a GET Request? I use curl to get http headers to find http status code and also return response. I tried to ping the URL directly from the browser, I am able to get response successfully, I don't understand what is the wrong with the command. php curl will help to post request with parameters and headers, we can get json response. */ curl_easy_setopt (curl, CURLOPT_URL, "http://postit. com. cURL is a versatile and widely used CLI that allows you to make HTTP requests. What I'm wondering is, if I do this, and the URL has some kind of server response. An HTTP request contains a method, a path, HTTP version and a set of request headers. For the sake of this article, let's use a sample social media API that I have created. 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. -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 Mar 8, 2020 · Learn how to create a simple Bash script that uses the cURL command to call an API and print the response code in the terminal. When it wants to get data or send data. Sample file and index. This article will explore different methods to send POST requests using PHP. cgi"); /* Now specify the POST data */ curl_easy_setopt (curl, CURLOPT_POSTFIELDS, "name=daniel&project=curl"); Jan 12, 2024 · In this tutorial, I will show you how to use cURL in Linux for HTTP GET and POST requests in Node. From JSON, form data, file uploads, authentication, and headers with real-world examples. ) of the post request and based on this, the script should return 1 or 0 as exit value back to the tool.