: The @ symbol instructs cURL to read the data from the specified file. 2. Using Postman

The json= parameter automatically sets the Content-Type header to application/json . Important Considerations JSON formatting on POST request - HubSpot Community

Postman is a popular GUI tool for testing APIs. To use your JSON file:

If you are automating this in Python, use the requests library to read the file and send it:

: You can copy and paste the contents of Untitled.json directly into the text field. Send : Click the Send button to execute the request. 3. Using Python (Requests Library)

: Tells the server that the data being sent is in JSON format.

curl -X POST -H "Content-Type: application/json" -d @Untitled.json http://your-api-endpoint.com Use code with caution. Copied to clipboard : Specifies the request method as POST.

: Set the method to POST and enter your URL. Go to the Body Tab : Select the raw option. Set Format : Select JSON from the dropdown menu.