How can I use Guzzle to send a POST request in JSON?

  1. First, make sure you have installed Guzzle in your project using a package manager like Composer. If you haven't, you can install it by running the following command in your project directory
  2. Next, create an instance of the GuzzleHttp\Client class, which will be used to send the HTTP request
  3. Define the request options for the POST request, including the URL, request headers, and the JSON payload
  4. Send the POST request using the post() method of the Client instance
  5. Finally, you can retrieve the response data from the $response object