This article is for Flatfile's Portal 2.0, Portal 3.0, and Workspaces. If you'd like to check out the latest version of the Flatfile Data Exchange Platform, click here!
The best way to work with a JSON file is to first convert that file to CSV and then preload the converted file to Flatfile.
One way we recommend converting a JSON file to a CSV file is using the following resource: https://www.papaparse.com/docs#json-to-csv