C#/.NET code for Curl Send Cookies ExampleThis C#/.NET code snippet was generated automatically for the Curl Send Cookies example.
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What is Curl?
The Curl is a command-line tool available for Linux, Windows, and macOS and a cross-platform library (libcurl) that can be used with almost any application written in nearly any programming language. Curl uses URL syntax to transfer data to and from servers. With Curl, you can upload or download data, submit web forms, and make API requests using over 25 protocols, including HTTP, HTTPS, FTP, and SFTP.
What is Cookie?
Cookies are small blocks of data sent from a website and stored by a web browser on a user's device. They allow web servers to store state information or track a user's online activity. Cookies are created by the server, tagged with a unique identifier for the user and device. Browsers send cookies back to the server with each subsequent request, facilitating user session management, tracking, and personalization.
How set Cookie with Curl?
The following is a general form of the Curl command for sending a Cookies request :
What is cookie-jar?
The -c (or --cookie-jar) command-line option specifies the filename where Curl should write all cookies after the operation completes. Curl will write all the cookies from its in-memory cookie store to the specified file at the end of the process. If there are no cookies, Curl will not create the specified file. Below is an example of the syntax for saving cookies with Curl:
How to set cookies for Curl?
To set cookies, you can use the -b (or --cookie) command-line switch to pass cookies to Curl. Below is an example of setting cookies for Curl:
Curl Send Cookies Examples
The following are examples of sending cookies using Curl:
Sending Cookies to Curl
To send cookies with Curl, you can use the -b command line option. Below is an example of sending a cookie in Curl to a ReqBin echo URL:
Sending Multiple Cookies
To send multiple cookies to Curl, you can use the -b flag and separate the cookies with a semicolon:
Using a Cookie File
You can also store cookies in a file and use the -b option to specify the cookie:
How to use Сookies with Libcurl?
|CURLOPT_COOKIE||Provide a cookie header to be sent to the server.|
|CURLOPT_COOKIEFILE||Read cookies from the given cookie jar file.|
|CURLOPT_COOKIEJAR||Save cookies to the specified cookie jar file.|
|CURLOPT_COOKIELIST||Provide details of one cookie.|
|CURLINFO_COOKIELIST||Extract cookie information from cookie storage.|