Curl Post Data From File

I have this really typical problem. Unzip the downloaded file and move the curl. Unable to parse PUT or POST data. In this tutorial, we will show you how to POST JSON data using PHP cURL and get JSON data in PHP. It will create a unique file (sth. PHP: cUrl - post data doesn't go through proxy I have a problem using PHP built-in cUrl library. This source code contains two files: 1) result. To receive RAW post data in PHP, you can use the php://input stream like so:. In that lesson we opted to use the the post method for submitting, but we could have also chosen the get method. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Third i execute curl session to get and send data over server by using. You can use POST, PUT or any other method, provided that the operation consumes multipart/form-data. If you need to upload a file to a service using cURL, just append an at symbol (@) to a string containing the file path. I have a biomart xml query and I am going to obtain the data with curl and the RESTfull de biomar Xml Returned Using Efetch Differs To That Downloaded From Query At Pubmed Website If I go to PubMed and enter this query, which currently returns around 2290 results: "Retraction. Upload Files using PHP CURL. This document includes a template that has been successful for me. Here is my code (in C# but i assume in c++ wont be very different):. External PHP page displays SUCCESS or ERROR. com Note that if a filename/path is quoted by double-quotes, any double-quote or backslash within the filename must be escaped by backslash. PHP CURL 로 Json data POST 하기 HTTP POST Binary File. Second i set different option for curl session by using curl_setopt method and some are optional. like /tmp/tmp. 2 and not convert POST requests into GET requests when following a 301 redirection. In this example we will provide file named mydata. However I still have an issue: the result is now only false. The simplest way to access any service is through cURL. Curl is widely used in command lines or scripts to transfer data. It supports a range of common network protocols, currently including HTTP, HTTPS, FTP, FTPS, SCP, SFTP, TFTP, LDAP, DAP, DICT, TELNET, FILE, IMAP, POP3, SMTP and RTSP. If yes ?? It is no more problem for you now. Why we need PHP CURL ?. 9, released October 2003, included experimental IPv6 support, and ability to POST data to HTTP servers. openConnection(); conn. @pushyamig You can wrap all of your json objects in a single JSON array like so: [ {event1}, {event2}. Recently I was working on one REST API, in which I was sending API request using cURL and to send parameters I was using POST method. -post Uploads a document from either the local file system or a remote HTTP server to a remote HTTP server (destination) using POST method. I have a website, and I need free, cross-platform FTP file editor and uploader that's also a code editor that I can use to: Upload files such as HTML/PHP/ASP to my FTP server Connect to my FTP ser. You can use curl_easy_escape to url-encode your data, if necessary. PHP CURL 로 Json data POST 하기 HTTP POST Binary File. A curl script to perform a POST to an HTTP web service using JSON data. # POST JSON from a file $ POST /blogs/5. Linux - can be installed with package installer. Somehow I can't solve it, I used google but didn't help. I am not exactly sure what is going wrong; I attached my settings below, and this is the generated HTTP snippet by Postman. CURLOPT_COOKIEJAR – this is the name of the file where cURL. curl is a tool to transfer data from or to a server, using one of the supported protocols (HTTP, HTTPS, FTP, FTPS, SCP, SFTP, TFTP, DICT, TELNET, LDAP or FILE). Recently I was working on one REST API, in which I was sending API request using cURL and to send parameters I was using POST method. exe; curl by itself is a Powershell alias for the Invoke-WebRequest cmdlet, which can do most of what the cURL program can do but has very different argument syntax. sizeleft); #endif #ifdef DISABLE_EXPECT /* Using POST with HTTP 1. Longtime command line users know this can be useful for a wide variety of situations, but to keep things simple, many will find that downloading a file with curl can often be a quicker alternative to using a web browser or FTP client from the. According to the description of the --data option if you want it to read from stdin you should specify '-': curl --data - hey all, > > I've been trying to do a regular post using the '--data' option to curl. In this Post I'll explain you how to send a GZIPed post body using CURL commands. bin, but this is completely different and in this case the string after Boundary e. How do I download files straight from the command-line interface using curl? How can I download files with cURL on a Linux or Unix-like systems? Introduction: cURL is both a command line utility and library. Parameters filename. 1 Thank you for cURLing hook. Table of contents cURL Download Download and save to file (Follow redirection) Resume interrupted/broken download Timeout Username and Password Use Proxy Server Show document information (header) Pass through headers POST/Upload data Read email Send email Silent cURL Download a large file in chunks Verify/Login with certificate rather than username and password cURL vs Wget 1 …. I would like to import my File Geodatabase from ArcGIS 10. curl is a a command line tool that allows to transfer data across the network. In one of the API request I wanted to send or upload a file through cURL, so I started working and got the solution for the same. The post meta data is the "administrative" information you provide to viewers about each post. coroutine, in which case the next method will not be called until those futures have completed. curl is a tool to transfer data from or to a server, using one of the supported protocols (HTTP, HTTPS, FTP, FTPS, SCP, SFTP, TFTP, DICT, TELNET, LDAP or FILE). Example, to send your password file to the server, where 'password' is the name of the form-field to which /etc/passwd will be the input: curl -F [email protected]/etc. I’m kind of in a different mindset when using the two tools. The API supports submitting queries from a file using a multipart POST request. How to send files via cURL in PHP. Amazon Simple Storage Service is storage for the Internet. The difference between @ and < is that @ makes a file get attached in the post as a file upload, while the makes a text field and gets the contents for that text field from a file. Lastly, the file that was initially opened for the CURL object is closed. The real info, though, is located in the libcurl documentation , most important being curl_easy_setopt. PHP cURL makes it easy to POST JSON data to URL. Use "-" as filename to have the output sent to stdout. The index and create actions expect a source on the next line, and have the same semantics as the op_type parameter in the standard index API: create fails if a document with the same name already exists in the index, index adds or replaces a document as necessary. This brief guide explains 2 different reasons for wanting to send POST data with curl and how to do it. The difference between @ and < is that @ makes a file get attached in the post as a file upload, while the makes a text field and gets the contents for that text field from a file. Posting Multiple Files using cURL Hi, I am currently in the process of creating a script that will use cURL to HTTP POST the contents of a file on the server. In this guide we will cover the basics of curl and look at how we can use it to retrieve and send data, and. This must be entered as user:password format. 17) Making cURL Requests With Data You can make requests using certain HTTP methods and also send along data via the -d or --data option. It is documented in the RFC 1867, why this method sometimes is referred to as RFC1867-posting. It supports GET, POST, and PUT methods in the user interface; however, others (e. But you can post html forms using GET request too? Can you tell me your understanding. The function that he provided to me. In one of the API request I wanted to send or upload a file through cURL, so I started working and got the solution for the same. The command is designed to work without user interaction. By default, cURL sends GET requests, but you can also use it to send POST requests with the -d or --data option. There are two new values for curl_setopt() in there, but otherwise the script should be clear. "@filename": This will make curl load data from the given file (including any newlines), URL encode that data and pass it on in the POST. Take a look at the following sample code:. Enables a full trace dump of all incoming and outgoing data, including descriptive informa‐ tion, to the given output file. CURL Beginner Tutorial: Today we will learn: 1. They do not mean the same thing. Whatever your target file outputs you will get back as the response, so you can debug. and then it will receive the POST vars. I’ll discuss sending GET and POST requests, handling login cookies, and FTP functionality. For “wild” data however, getting the data into an analyzable format is more difficult. Introduction. The command is designed to work without user interaction. You can include the data inline or in a separate file. Below are the protocols currently supported by curl. Making external calls into my development platform isn't how I usually work, so instead I captured the body of the request that was being sent, and replayed it against my local script. The Agency uses this information to support the analysis of data, regulatory activities and communication. However, you will still need to delete it manually, like you already do. curl -F '[email protected]"localfile";filename="nameinpost"' example. I want to upload SQLite database via PHP web service using HTTP POST request with MIME type multipart/form-data & a string data called "userid=SOME_ID". I hatched the idea to use curl to connect from the external server to the internal server (using request variables to send queries) and return everything (data and headers) returned by the file server. My customer wants information request form data to be collected in a database. I can't tell from the output while the server doesn't like Faraday's request. Also note the post target url. See the comments in the code. Linux / Unix curl Command Download File Example; Mac OS X: Terminal Download File Command; How to use the cURL command to do a POST data to fields on Linux or Unix; curl Command Resume Broken Download; How to use curl command with proxy username/password on Linux/ Unix; curl hide progress bar output on Linux/Unix shell scripts. This differs from uploading data with JSON directly in the cURL request and is more suitable for larger amounts of data. http post with command line curl Written by Guillermo Garron Date: 2012-05-26 18:17:00 00:00. I am not exactly sure what is going wrong; I attached my settings below, and this is the generated HTTP snippet by Postman. The goal of this document is to get you up and running with httr as quickly as possible. Recently I was working on one REST API, in which I was sending API request using cURL and to send parameters I was using POST method. The simplest way to access any service is through cURL. If you don’t set access restrictions based on our API endpoint, ignore the warning. Greetings 127. curl is a a command line tool that allows to transfer data across the network. txt file as data to the executable of example. First of all, we create how many requests as needed exactly in the same way of the simple example and put them in an array. com' Edit the. I wrote my POST code at the Java side. There's argument back and forth about who's right, but in my opinion, lighttpd is broken. I have an XML file that I have to post to a server. The goal of this document is to get you up and running with httr as quickly as possible. Note: The following examples use curl, a command line tool that transfers data using URLs. In other words, we just wasted some bandwidth, and we are going to need to POST the data at least one more time. In PHP CURL POST tutorial, I have explained how to send HTTP GET / POST requests with PHP CURL library. Likely you are getting a reply that does not contain any data. Don’t let the name CURLOPT_PUT fool you, it’s use for every request, and without CURLOPT_PUT, CURLOPT_INFILE is ignored. bin, but this is completely different and in this case the string after Boundary e. Some web servers will not understand the handling of chunked transfer of post data. Is there a specific encoding needed to upload the binary data?. The command is designed to work without user interaction. I believe I am doing something wrong with my xml request which I post. Here is my code (in C# but i assume in c++ wont be very different):. Below are the examples covered in this article. The API supports submitting queries from a file using a multipart POST request. To receive RAW post data in PHP, you can use the php://input stream like so:. curlコマンドから HTTP POST する方法 multipart/form-dataなど、フォーム送信する際の方式がいくつかあり、厳密に同じか確認し. Hello everyone, I am having some trouble sending a POST request to a REST API that requires content-type 'multipart/form-data' and some parameters that point to a path containing a JSON file and a type. As mentioned earlier, cURL usage goes far beyond HTTP and FTP, as the curl manual page entry mentions additional protocols in the description: curl is a tool to transfer data from or to a server, using one of the supported protocols (DICT, FILE, FTP, FTPS, GOPHER, HTTP, HTTPS, IMAP,. I'm having an issue with curl post form, I dont' understand what I'm mising. The CURL() function implements a subset of cURL functionality and enables N1QL queries to interact and integrate with external JSON data sources available over HTTP/REST. This must be entered as user:password format. Firestore is the no sql cloud database Stores and Sync Data Provides offline storage of data. If the file is named PRINTER001-Job1 and has 3 entries, split it into 3 documents named PRINTER001-Job1a/b/c). We can Post JSON data via PHP curl by using header Content-Type: application/json in CURLOPT_HTTPHEADER. 1 and, since no hostname is specified in the cURL command, inserts the IP address in the Host header. You are correct -- lighttpd doesn't support POST requests with an empty message body without a 'Content-Length' header set to zero, and CURL sends such a request. PycURL includes extesive API documentation as well as a number of test and example scripts in the tests and examples directories of the distribution. The contents of the file must already be url-encoded. This tool is designed to work without user interaction, making it excellent for automation. curl doesn’t spew binary anymore June 17, 2017 Daniel Stenberg 23 Comments One of the least favorite habits of curl during all these years, I’ve been told, is when users forget to instruct the command line tool where to store the downloaded file and as a direct consequence, curl instead sends a lot of binary “gunk” to the terminal. You can also save the cookies you get from the server to a file using -c option as shown below. it is for creation, POST is for update (as the comment. Tools are really helpful but there are times where you can't use tools. Use libcurl to upload POST data. If you start the data with the letter @, the rest should be a file name to read the data from, or - if you want curl to read the data from stdin. Note that you do have to provide the path to a curl executable, or at least specify curl. The form_data function is similar but simply posts a string or raw value with a custom content-type. We power successful projects for businesses across the globe. cURL is a tool for working with URLs. Curl and PowerShell cmdlets can also submit data to a URI using the POST verb. bash_profile or. We attached our JSON data using the CURLOPT_POSTFIELDS option. I needed to perform a post request with curl from the Mac command line. When HTTP/1. cURL supports formatted output for the details of the request ( see the cURL manpage for details, under “-w, –write-out ” ). Sending files using cURL in PHP The cURL functions in PHP can be used to make HTTP requests to remote servers. It is very handy to have the abililty to arbitrarily send POST data from a form to a script. Multiple files can also be specified. FILE PHOTO: A visitor passes an Intel logo at the Mobile World Congress in Barcelona Only post material that’s relevant to the topic being discussed. 1 100 Continue is sent by server, curl will continue to sending real POST data. Hi, I want to submit a form that is multipart/form-data I try do do it with curl but I get a status 100 response form the server. 1 Thank you for cURLing hook. This file also sends the uploaded data to the external server. It is often used when uploading a file or when submitting a completed web form. Using Curl to Interact with a RESTful API 19 Feb 2014 · Filed in Education. GVP apply to marketing-authorisation holders, the European Medicines Agency (EMA) and medicines regulatory authorities in EU Member States. I am trying to post an attachment to a document or upload an excel file by using restful webservices via cURL. All requests must be made over HTTPS and will be authenticated over standard HTTP basic. It's make easy to POST JSON data to APIs url and receive response in JSON data format. cURL is a great glaring library. 1) Send HTTP GET Request with CURL 2) Send HTTP POST Requests with CURL 3) Send Random User-Agent in the Requests 4) Handle redirects (HTTP 301,302) 5) Handle Errors. I was told by the network engineer of that site to use the cURL function. Path to the file which will be uploaded. On or about line 98, make the following changes:. 0 Content-Length: 8 Content-Type: application/x-www-form-urlencoded val=2300 Content-Length is set to let the server know how. 1 and, since no hostname is specified in the cURL command, inserts the IP address in the Host header. The non-ssl still works. setRequestProperty("Content-Type", ";application/json. Certbot accepts a global configuration file that applies its options to all invocations of Certbot. The POST form data can also be sent in the form of a JSON file. The REST service I was …. This goes for both @ and < constructs. While the second part of the post will cover implementation of Two Factor Authentication for the same. curl however can read a file for post body contents. With formatted files, accessing the data is fairly straightforward; just download the file, unzip if necessary, and import into R. sk\s*Jeeves#i','#HP\s*Web\s*PrintSmart#i','#HTTrack#i','#IDBot#i','#Indy\s*Library#','#ListChecker#i','#MSIECrawler#i','#NetCache#i','#Nutch#i','#RPT-HTTPClient#i','#. A few days ago I've been working a project which, as many other projects out there today, communicates with some external APIs. Posting data from a file named 'foobar' would thus be done with --data @foobar. If your hosting server does not come with cURL installed (though this is rare as cURL is installed on most commercial hosting servers) and you also don€™t have access to server in order to install it, there are alternatives. cURL is a great glaring library. For example, from the command line, issue the following command: open –e. Curl is widely used in command lines or scripts to transfer data. There is no mention of the data that I posted. Oh no! Some styles failed to load. A collaborative learning platform for software developers. Supported curl Protocols & Usage Beyond HTTP & FTP. When was the last time you had to execute a long-running script and wished you could monitor the progress remotely without setting up a plethora of systems? For us, it was yesterday. Use libcurl to upload POST data. You can use POST, PUT or any other method, provided that the operation consumes multipart/form-data. curl doesn’t spew binary anymore June 17, 2017 Daniel Stenberg 23 Comments One of the least favorite habits of curl during all these years, I’ve been told, is when users forget to instruct the command line tool where to store the downloaded file and as a direct consequence, curl instead sends a lot of binary “gunk” to the terminal. This package is not auto-updated. Make sure that each line in the file follows the format specified by the Content-Type header for the HTTP request. This is very similar to --trace, but leaves out the hex part and only shows the ASCII part of the dump. cURL is a great library. On line 10, the POST parameter file is set to a special value: @, followed by the path to the file to send. When you want to work on Web Services and API 's and want to POST and Fetch data from another Application/Website then CURL plays a very important role for. I have written an HTTP client wrapped the libcurl. Learn how to post json data with php curl and receive the posted json. I would like to use cURL to not only send data parameters in HTTP POST but to also upload files with specific form name. How I can upload a file with. This may be helpful for those of you that require an easy alternative to PHP's cURL extension. curl 설치 및 사용법 - HTTP GET/POST, REST API 연계등; PHP CURL 로 Json data POST 하기. Submit queries from a file. Curl is the powerful command line utility that allows you to transfer data to or from a server or URL. The API supports submitting queries from a file using a multipart POST request. While downloading with cURL, a progress bar appears with a download or upload speed, how long the command has run, and how much time remains. Use libcurl to upload POST data. the post_data does not appear to be correct. This combination makes it a very good ad-hoc tool for testing our REST services. Restrictions: The data and this python file may not be distributed to others without permission of the WA+ team. POSTing JSON Data With PHP cURL I got this question the other day: how to send a POST request from PHP with correctly-formatted JSON data? I referred to the slides from my web services tutorial for the answer, and I thought I'd also put it here, with a bit of explanation. How should I go about doing that ? HTTP Post parameters: userid = 12345. md-file from my computer to the github markdown api, but i couldn't figure out how to send data (with unescaped quotes) from a file in a named jason variable. With PowerShell 3. PHP cURL makes it easy to POST JSON data to URL. The goal of this document is to get you up and running with httr as quickly as possible. I have this really typical problem. It seems as if APIs are popping up everywhere these days. The counter should start when curl finish sending data, but it has already been set while 100 Continue was recived. This easy-to-use function has been present since PHP version 4. If you Google “how to download Oracle with wget” you’ll find heaps of posts with useful tips. If the document has a single ^XA entry, continue as normal and sent it on for curl. THIS TOPIC APPLIES TO: SQL Server 2019 and later Azure SQL Database Azure Synapse Analytics (SQL DW) Parallel Data Warehouse. Sending POST data from PHP Web Design / 21. The -X POST command-line parameters means CURL will execute a POST message. conf file so I can enable/allow writing files to the webserver using the PUT command. That one looks nice but it does not explain how to upload a file using cURL Actually, I am trying to upload using Python with Requests, and uploading works, but e. I recently had to develop a small script that will fetch an XML file from the web. g B8NNdk2kNdndnnn in this case needs to be valid for the request to go through. H ow do I use the cURL command on Linux or Unix to post data i. The data and prices on the website. It is a tool to transfer data from or to a server, using one of the supported protocols (HTTP, HTTPS, FTP, FTPS, TFTP, DICT, TELNET, LDAP or FILE). Options Request multiple queries. bash_profile to create the file first. It contains over a dozen organic, nutritious, and completely irresistible recipes for quickly getting the everyday curl tasks done. treasure-data. For example, from the command line, issue the following command: open –e. Important - The support forums are now in "read-only" mode as we transition to an alternative help desk solution. I hatched the idea to use curl to connect from the external server to the internal server (using request variables to send queries) and return everything (data and headers) returned by the file server. bash_profile or. Example to use cURL -X PUT to send a PUT If the REST API only accepts json formatted data, try this. support for HTTP POST requests; cURL does provide additional feature support that isn't. Path to the file which will be uploaded. Description Usage Arguments. I would consider putting all of this in a single script, where the first parameter gives the operation (post value, picture, or relay control) and additional parameters vary depending on operation: sensor/value for post value, and nothing for post picture and relay control. It is documented in the RFC 1867, why this method sometimes is referred to as RFC1867-posting. You can vote up the examples you like or vote down the ones you don't like. So far i have succeeded in uploading an empty file dunno why. Good pharmacovigilance practices (GVP) are a set of measures drawn up to facilitate the performance of pharmacovigilance in the European Union (EU). Update: Use --data-binary to post the data, else the line-endings won't be transfered correctly. The -F is the form data where the input is named "datafile" and is associated with a file, @FileToUpload. Authentication information is sent using the '-u' command. All the FILES data is there. curl -F '[email protected]"localfile";filename="nameinpost"' example. You can use POST, PUT or any other method, provided that the operation consumes multipart/form-data. 0 and its purpose is to “read an entire file into a string. Is there an option in cURL to display the string "firstname=john&lastname=doe" in the output? Note: Obviously the string I want is in the command I executed, but there are several other post options such as --form and --data-ascii etc. Passing binary data to curl without using a @file. This section deals with offline access — sometimes your application might need to access a Google API when the user is not present. Why we need PHP CURL ?. There are 11919 segments. curl -H "Content-Type: application/json" https://www. To receive RAW post data in PHP, you can use the php://input stream like so:. Before going to know how to post form data and file with cURL, i will tell you, what is cURL in PHP and how will you use cURL in PHP script. I am able to run the command;. How to run curl on windows 3. The cURL command works on large files over 2 GB for both downloading and uploading, so this progress bar offers context for time-intensive file operations. curlでファイル名を指定するのは --data @file のようにするので、ファイル名部分を - にするということは --data @- にするということだそうな。. The form_file function uploads a file. How do I download files straight from the command-line interface using curl? How can I download files with cURL on a Linux or Unix-like systems? Introduction: cURL is both a command line utility and library. How to post XML using CURL? 49 Replies Recently I was working in a hotel booking engine and found a couple of methods to post XML to server; I thought this might be good to share with my friends who want to post xml via HTTP POST method. If you want to upload data using the bulk API, you can use a cURL request to upload data from a. Note that the correct value for the timeout will be directly related to the amount of data that you’re sending in the cURL request. Greetings 127. com page located here. Join Date Aug 2001 Location The edge of the known universe Posts 37,557. For specific examples see the documentation provided by the individual services. Same problem with latest curl: curl 7. Using curl and PHP to talk to a REST service. The above small example form has two parts, one named 'person' that is a plain text field and one named 'secret' that is a file. if you don't know about curl it can transfer data using various protocols. However, I cannot get attachments to work when invoking a file path over http. Use the syntax above (curl -X POST -H "Content-Type: application/json" -d @FILENAME DESTINATION) to specify a file instead. A protip by neeph about php, curl, files, and post. Note: The following examples use curl, a command line tool that transfers data using URLs. file_get_contents VS CURL, what has better performance? PHP offers two main options to get a remote file, curl and file_get_contents. There is no mention of the data that I posted. Pada kesempatan kali ini, Jurnalweb akan menunjukan cara memposting data JSON menggunakan PHP cURL dan mendapatkan data JSON di PHP. curl is a command-line tool for transferring data and supports about 22 protocols including HTTP. The form_file function uploads a file. cURL allows you to specify proxy support, authentication, HTTP post, SSL connections, cookies, etc. I want to sent XML content(string) in the request body of the POST request. I recently had to develop a small script that will fetch an XML file from the web. 0, one of the really great CmdLets that is available is Invoke-RestMethod. Authentication information is sent using the ‘-u’ command. PycURL includes extesive API documentation as well as a number of test and example scripts in the tests and examples directories of the distribution. I have an XML file that I have to post to a server. The following example demonstrates how JSON content may be sent from inside a file to the API. com I tried to list out the file at least but its not working curl -kl -u {user. If no content-type is set, curl will guess the content type of the file based on the file extension. # POST JSON from a file $ POST /blogs/5. Why we need PHP CURL ?. ok so I have been trying to reproduce the functionality of this PHP script, this may seeem like a long question but if read what I wrote I only need to somehow fix the post_data as the server says that Auth Failed, please check POST Data. I have a website, and I need free, cross-platform FTP file editor and uploader that's also a code editor that I can use to: Upload files such as HTML/PHP/ASP to my FTP server Connect to my FTP ser. Posting data from a file named 'foobar' would thus be done with --data @foobar. To receive RAW post data in PHP, you can use the php://input stream like so:. "@filename": This will make curl load data from the given file (including any newlines), URL encode that data and pass it on in the POST. Firestore is the no sql cloud database Stores and Sync Data Provides offline storage of data. @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 receiving server requires the top level key in the post data array to be 'file'. Such an upload is performed with a POST request. This may be helpful for those of you that require an easy alternative to PHP's cURL extension. setRequestProperty("Content-Type", ";application/json. Here is how I did it:. I have a basic form I want to post the file using curl. 2 and not convert POST requests into GET requests when following a 301 redirection. cURL is a library and command line tool which is used to get and send file using URL syntax and become powerful system. Other times we might pipe it directly into another program. This combination makes it a very good ad-hoc tool for testing our REST services. It is scriptable and extremely versatile but this makes it quite complicated. Curl is a wrapper of php cURL,chainable and simple. It can do so much more than just send post data, which makes it intimidating.