CURLOPTPOSTFIELDS as the name suggests, is for the body (payload) of a POST request. For GET requests, the payload is part of the URL in the form of a query string. In your case, you need to construct the URL with the arguments you need to send (if any), and remove the other options to cURL.

Question- How to POST JSON data with curl? How to POST JSON data with curl command line? How do I POST JSON data on Linux terminal?

You can add -H 'Content-Type: application/json' header value to Post the JSON data to curl command line.

For example, I have an API URL https://api.example.com/v2/login, that is used to authenticate the application. Now passing the username and password in JSON format using the curl command line tool.

You can also write the username and password in a user.json file. Now use this file to pass the JSON data to curl command line.

Curl Post Body Json From File

1. CURL is a free and open-source command-line utility used for transferring data to or from a remote host with minimal user interaction. It allows users to upload and download data either using single commands or bash scripts. It is safe to say that cURL is more than an HTTP client. How to use cURL Post data from the file is explained in this article.
2. A POST request is the one that sends data to a web server by enclosing it in the body of the HTTP request. When you upload a file or submit a form, you are basically sending a POST request to the designated server. A POST request can be performed using PycURL by firstly setting the URL to send the form data to through the setopt function.
3. Using GraphQL IDEs (Apollo Explorer) GraphQL IDEs let you build queries, browse.
4. Can PHP cURL retrieve response headers AND body in a single request? 390 Setting an environment variable before a command in Bash is not working for the second command in a pipe.