Curl with payload example. Mar 28, 2021 · (curl -o- and curl -o - act the same.

Curl with payload example Dec 7, 2017 · This option allows curl to proceed and operate even for server connections otherwise considered insecure. Sep 26, 2025 · Learn how to handle and send JSON with cURL using files, inline data, environment variables, and jq. Apr 26, 2025 · Using cURL to make a POST request with a JSON payload is a fundamental skill in web development and API testing. I need to use CURL GET request with a Json parameters. Jul 4, 2025 · It requires adding a header to specify the content type along with the data: The response shows the payload in the json field. 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. Mar 28, 2021 · (curl -o- and curl -o - act the same. ) Explicitly sending the output to stdout seems a bit redundant, since that's the default anyway. 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 Jan 24, 2022 · Both the above scripts concatenates all files given as arguments on the command line, and passes the output to curl, one line at a time. With libcurl, use the curl_formadd() function to build your form before submitting it in the usual way. JSON data is passed as a string. If you want to send a JSON request, you will have to specify the correct content type header: But that will only work if the server accepts json input. Oct 30, 2020 · post a JSON file with curl. The server connection is verified by making sure the server's certificate contains the right name and verifies successfully using the cert store. I wrote my POST code at the Java side. 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 . The test-server (URL see comment, to be deleted later to avoid bots) uses a certificate that goes via Let's Encr Nov 3, 2024 · Learn how to troubleshoot and resolve the "Curl error (6): Couldn't resolve host name" issue on Super User forum. 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 I'm using curl at the command line on Linux to issue HTTP requests. The JSON content type is set using the -H "Content-Type: application/json" command line parameter. To send data from a file using cURL, create a file and add some values: Then send a POST request and add @ before the file name: I use Ubuntu and installed cURL on it. 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 Apr 26, 2010 · Is there a way to install cURL in windows in order to run cURL commands from the command prompt? Sep 17, 2008 · The cURL tutorial on HTTP Scripting is also helpful for emulating a web browser. dev Nov 20, 2025 · 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. However, I want to test it with cURL. Real examples for Slack & Google Translate May 29, 2021 · Your data payload is a JSON document containing a query key. May 17, 2025 · Previously it worked but since I rarely test this server, I don't know what changed. Learn common HTTP request patterns for GET, POST, PUT, DELETE with authentication. I want to test my Spring REST application with cURL. My Json will be like: { "key1" :[{subkey1":"subvalue1","subkey May 18, 2021 · How can I POST an XML file to a local server http://localhost:8080 using cURL from the command line? What command should I use? Explore curl command examples and converted code samples. Note that I have also corrected the HTTP to HTTPS in your URL. GitHub Gist: instantly share code, notes, and snippets. curl sends POST requests with the default content type of application/x-www-form-urlencoded. Your attempt to put the decoded query Apr 26, 2010 · Is there a way to install cURL in windows in order to run cURL commands from the command prompt? Sep 17, 2008 · The cURL tutorial on HTTP Scripting is also helpful for emulating a web browser. The value of that key is a JSON-encoded document, possibly describing some form of query, which is not in itself a JSON document. 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. This guide provides a basic understanding and a practical example to get you started. Newlines are encoded as \n in JSON values, and the JSON parser that the server is using would translate these into literal newlines when it receives your request. See full list on warp. I am trying to post a JSON d Mar 30, 2023 · I am testing a API using CURL in my local server. This method sends the data in the request and is suitable for most use cases. However, the man page does mention using multiple -o options for multiple URLs to download, so it might be more useful in that context.